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2003 Chevrolet Silverado

2003 Chevrolet Silverado TSBs (Technical Service Bulletins)

There are also 13 Chevrolet recalls » 19 defect investigations » 548 TSBs » for the Chevrolet Silverado.

Please note: The TSB information displayed below are summaries. Unfortunately we do not have access to the full versions. To get full information about a particular TSB, write down the TSB title & date, & either contact your local dealer or click on the links below.

ALSO: The TSB numbers are the NHTSA numbers, which are different from the TSB numbers the manufacturers use to track each bulletin -- yes, it's a very screwed up situation that's almost completely unhelpful to you as the consumer. The manufacturers don't give out their TSB numbers to us, so if you ask your dealer for more information about a TSB, have them look it up by the issue date or the TSB title.

STEERING

• TSB #000235003 -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. *EH UPDATED *EH UPDATED. *KB (NHTSA ID #10012089, FEBRUARY 01 2007)
• TSB #03102005 -- STEERING GEAR WHISTLE NOISE ON TURNS. *EH (NHTSA ID #10014845, MARCH 10 2005)
• TSB #0502118002 -- DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER. *TT (NHTSA ID #10017450, FEBRUARY 01 2005)
• TSB #0502118001 -- QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE. *TT (NHTSA ID #10013457, JANUARY 01 2005)
• TSB #000235003E -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. THIS BULLETIN REPLACES PREVIOUS BULLETIN 00-02-35-003E. *TT (NHTSA ID #10011223, AUGUST 01 2004)
• TSB #000235003C -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT (NHTSA ID #10004716, APRIL 01 2004)
• TSB #01736 -- SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C0455. SIT BULLETIN 1459978. *TT (NHTSA ID #10006353, JANUARY 01 2004)
• TSB #01897 -- LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *MR (NHTSA ID #10006428, JANUARY 01 2004)
• TSB #3057 -- INTERMITTENT CONCERN OF THE SERVICE 4 WHEEL STEER MESSAGE BEING DISPLAYED ON THE DIC. *TT (NHTSA ID #10009658, JANUARY 01 2004)
• TSB #01567 -- QUADRASTEER SERVICE UPDATE. SIT BULLETIN 1411394. *TT (NHTSA ID #10005407, JANUARY 01 2004)
• TSB #00537C -- QUADRASTEER PARTS RESTRICTION. AVAILABLE PARTS. SERVICE VME. SIT BULLETIN 1403216. *TT (NHTSA ID #10005488, JANUARY 01 2004)
• TSB #01634 -- INTERMEDIATE STEERING SHAFT SERVICE KIT. SERVICE VME. *TT (NHTSA ID #10007231, JANUARY 01 2004)
• TSB #01634A -- SUPPLEMENT TO 00-02-35-003D - CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT (NHTSA ID #10007276, JANUARY 01 2004)
• TSB #030236002 -- REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE. *EH (NHTSA ID #10012577, AUGUST 01 2003)
• TSB #000235003B -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT (NHTSA ID #10000950, JANUARY 01 2003)
• TSB #11252002 -- VEHICLE WILL NOT START CAUSED BY THE STEERING WHEEL POSITION SENSOR. *TT (NHTSA ID #10008610, NOVEMBER 25 2002)
• TSB #3057 -- SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455. *EH (NHTSA ID #10011757, no date provided)

STEERING:COLUMN

• TSB #000235003N -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE (NHTSA ID #10025148, APRIL 01 2008)

STEERING:HYDRAULIC POWER ASSIST SYSTEM

• TSB #3386 -- LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT (NHTSA ID #10013533, no date provided)

STEERING:HYDRAULIC POWER ASSIST:PUMP

• TSB #050232008 -- GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ (NHTSA ID #10022671, JULY 01 2007)

STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

• TSB #00823A -- POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT (NHTSA ID #10007973, JANUARY 01 2004)

STEERING:ELECTRIC POWER ASSIST SYSTEM

• TSB #01863 -- LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR (NHTSA ID #10006616, JANUARY 01 2004)

STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT

• TSB #3499 -- STEERING IDLER ARM INSPECTION PROCEDURE. *TT (NHTSA ID #10014899, no date provided)

STEERING:LINKAGES:TIE ROD ASSEMBLY

• TSB #030234001A -- INNER TIE ROD RELEASED FOR SERVICE. *TT (NHTSA ID #10004766, OCTOBER 01 2003)

SUSPENSION

• TSB #3009 -- SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH. *KB UPDATED 8/25/08. *PE (NHTSA ID #10021013, MAY 01 2008)
• TSB #030310001 -- TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM VERSION) *TT *AR UPDATED 4/11/08. *NJ (NHTSA ID #10000959, JANUARY 01 2008)
• TSB #030309002 -- REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07. *NJ (NHTSA ID #10005181, JULY 01 2007)
• TSB #010310010 -- INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS. *KB (NHTSA ID #10021116, JANUARY 01 2007)
• TSB #030308002 -- RATTLE/SQUEAK FROM FRONT OF VEHICLE. *TT *AR (NHTSA ID #10002851, DECEMBER 01 2005)
• TSB #030310006 -- REFERENCE GUIDE FOR THE TECHNICIAN TO UPGRADE A VEHICLE FROM FACTORY WHEELS AND TIRES TO 20 INCH WHEELS AND TIRES, WHICH ARE AVAILABLE THROUGH GMSPO. *TT (NHTSA ID #10005554, SEPTEMBER 01 2005)
• TSB #020307002 -- REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE. ORIGINAL NOT YET RECEIVED. *TT (NHTSA ID #10014945, MARCH 01 2005)
• TSB #010310010C -- INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS. BULLETIN 01-03-10-010B NOT RECEIVED. *TT (NHTSA ID #628870, SEPTEMBER 01 2004)
• TSB #00313 -- SQUEAK OR CREAK NOISE FROM UNDERBODY OVER BUMPS. *MJ (NHTSA ID #10008867, JANUARY 01 2004)
• TSB #01555 -- D HEIGHT SPECIFICATION MISSING FROM SI. SIT BULLETIN 1410632. *TT (NHTSA ID #10005395, JANUARY 01 2004)
• TSB #3009A -- SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH. *MJ (NHTSA ID #10008845, no date provided)

SUSPENSION:FRONT

• TSB #990308002A -- FRONT SUSPENSION COIL SPRING NOISE. *TT (NHTSA ID #611289, MAY 01 2004)
• TSB #01712 -- LEFT FRONT OF VEHICLE SITS LOW. SIT BULLETIN 1454860. *TT (NHTSA ID #10006411, JANUARY 01 2004)

SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

• TSB #3340 -- LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB (NHTSA ID #10020874, SEPTEMBER 23 2006)

SUSPENSION:FRONT:CONTROL ARM:UPPER ARM

• TSB #060308002 -- REVISED UPPER CONTROL ARM REPLACEMENT. *TT (NHTSA ID #10019852, MARCH 01 2006)

SUSPENSION:REAR

• TSB #PIP4054A -- EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE (NHTSA ID #10024345, FEBRUARY 01 2008)
• TSB #3000A -- REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS. *MJ (NHTSA ID #10008901, JANUARY 01 2004)
• TSB #3028 -- REPLACEMENT TAILGATE CABLES BIND AT SHOULDER BOLT. *MJ (NHTSA ID #10008797, JANUARY 01 2004)

SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

• TSB #00347A -- REAR SPRING SLAP OR CLUNK NOISE. *TT (NHTSA ID #10004123, NOVEMBER 18 2003)

SERVICE BRAKES, HYDRAULIC

• TSB #040523001A -- LOW BRAKE PEDAL, RED BRAKE LIGHT ON, BRAKE SYSTEM WARNING MESSAGE ON. *TT UPDATED *EH (NHTSA ID #10011125, OCTOBER 01 2004)
• TSB #040523005 -- AVAILABILITY OF REAR WHEEL MUD FLAPS TO REDUCE DEBRIS BUILD-UP ON REAR BRAKE CALIPERS AND/OR REAR WHEELS. *TT (NHTSA ID #10012141, JUNE 01 2004)
• TSB #02053 -- INFORMATION ON RESURFACING THE PARK BRAKE PORTION OF THE REAR BRAKE ROTOR. *TT (NHTSA ID #10007739, JANUARY 01 2004)
• TSB #000523005B -- RIGHT REAR INNER BRAKE PAD WEAR. VARIOUS MODLES INCLUDING THE 2004 SILVERADO AND SIERRA. *TT (NHTSA ID #10002132, JUNE 01 2003)
• TSB #020523004 -- SOME VEHICLES MAY EXHIBIT A REDUCED BRAKE POWER MESSAGE ON THE DRIVER'S INFORMATION CENTER (DIC). *TT (NHTSA ID #10000572, OCTOBER 01 2002)
• TSB #020522004 -- TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT (NHTSA ID #10000067, SEPTEMBER 01 2002)
• TSB #020522004A -- TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT (NHTSA ID #10000061, SEPTEMBER 01 2002)

SERVICE BRAKES, HYDRAULIC:POWER ASSIST

• TSB #01501 -- SUPPLEMENT BRAKE ASSIST NOISY AND MAY RUN CONTINUOUSLY. SIT BULLETIN 1402858. *TT (NHTSA ID #10005483, JANUARY 01 2004)

SERVICE BRAKES, HYDRAULIC:ANTILOCK

• TSB #030525007 -- ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT (NHTSA ID #10004310, MAY 01 2006)

SERVICE BRAKES, HYDRAULIC:ANTILOCK:CONTROL UNIT/MODULE

• TSB #040525002B -- ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *TT (NHTSA ID #10008659, NOVEMBER 01 2005)
• TSB #01322A -- ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION. SERVICE VME. *TT *MJ (NHTSA ID #10004125, JANUARY 01 2004)
• TSB #01640 -- ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION.*MR *MJ (NHTSA ID #10007171, JANUARY 01 2004)

SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIGHT

• TSB #3491 -- ANTI-LOCK BRAKING SYSTEM (ABS) TELLTALE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE C0550. *TT (NHTSA ID #10014878, no date provided)

SERVICE BRAKES, AIR

• TSB #3568 -- SERVICE BRAKE BOOSTER MESSAGE. *KB (NHTSA ID #10021133, no date provided)

SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

• TSB #040525002 -- ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB (NHTSA ID #10022470, JUNE 01 2007)
• TSB #040525005A -- ANTILOCK BRAKE SYSTEM LIGHT ON SERVICE BRAKE SYSTEM MESSAGE ON DRIVER INFORMATION CENTER. *EH UPDATED *EH (NHTSA ID #10012587, OCTOBER 01 2004)
• TSB #01699 -- ANTI-LOCK BRAKING SYSTEM (ABS) LIGHT ON AND THE ABS PUMP MOTOR CONTINUES TO RUN. SIT BULLETIN 1450952. *TT (NHTSA ID #10006393, JANUARY 01 2004)

PARKING BRAKE

• TSB #020526002 -- SCRAPING NOISE FROM REAR OF VEHICLE. *TT (NHTSA ID #10000172, OCTOBER 01 2002)

ENGINE AND ENGINE COOLING

• TSB #030604036 -- INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION. *EH UPDATED 03-19-07. *KB (NHTSA ID #10012561, OCTOBER 01 2006)
• TSB #050604024 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1172 AND DTC P2636. *TT (NHTSA ID #10015008, MARCH 01 2005)
• TSB #040604088 -- REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. *TT (NHTSA ID #10014959, MARCH 01 2005)
• TSB #050604025 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) U2104. *TT (NHTSA ID #10015009, MARCH 01 2005)
• TSB #050090001 -- INFORMATION ON THE PROPER AIR FILTER FOR THE DURAMAX DIESEL. *EH (NHTSA ID #10013446, JANUARY 01 2005)
• TSB #020601023C -- OIL LEAK AT COOLER TO ENGINE BLOCK MATING SURFACE. *EH (NHTSA ID #10012750, NOVEMBER 01 2004)
• TSB #030602005A -- ENGINE COOLANT LOSS WITH NO VISIBLE LEAKS. *TT UPDATED *EH (NHTSA ID #10002857, OCTOBER 01 2004)
• TSB #040604007A -- SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. THIS SERVICE BULLETIN REPLACES 040604007. *EH (NHTSA ID #10012594, APRIL 01 2004)
• TSB #040603002 -- DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH (NHTSA ID #10012703, FEBRUARY 01 2004)
• TSB #01225 -- ENGINE COOLANT LEAK AT INTAKE GASKET. * MJ (NHTSA ID #10007717, JANUARY 01 2004)
• TSB #3147 -- CONCERNS REGARDING BULLETIN 00-02-35-003F. ALL FULL SIZE TRUCKS AND UTILITIES AND HUMMER PARTS AVAILABLE. *TC (NHTSA ID #10009957, JANUARY 01 2004)
• TSB #3121 -- EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC (NHTSA ID #10010056, JANUARY 01 2004)
• TSB #3024 -- GEN III ENGINE COATED PISTON INFORMATION. *TC (NHTSA ID #10010076, JANUARY 01 2004)
• TSB #3097 -- OIL PAN OR OIL COOLER LINE LEAK. *SC (NHTSA ID #10010242, JANUARY 01 2004)
• TSB #3160 -- GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE. *TC (NHTSA ID #10010041, JANUARY 01 2004)
• TSB #3107 -- P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC (NHTSA ID #10010197, JANUARY 01 2004)
• TSB #3121 -- 6.6 LB7 ENGINE WITH A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE P0380 P0621. *SC (NHTSA ID #10010187, JANUARY 01 2004)
• TSB #01368A -- COOLANT LOSS (INTO THE CRANKCASE). *TT (NHTSA ID #10004165, NOVEMBER 18 2003)
• TSB #11062003 -- AIRFLOW SENSOR PROBLEM. *EH (NHTSA ID #10013155, NOVEMBER 06 2003)
• TSB #030604037 -- SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P0446 SET REPLACE CANISTER. *EH (NHTSA ID #10012563, AUGUST 01 2003)
• TSB #030601011 -- ACCESSORY DRIVE BELT WHINE. *TT (NHTSA ID #10001292, MARCH 01 2003)
• TSB #020601038 -- ENGINE KNOCK OR LIFTER NOISE. *TT (NHTSA ID #10000763, DECEMBER 01 2002)
• TSB #3193 -- EXCESSIVE OIL CONSUMPTION. *EH (NHTSA ID #10010647, no date provided)
• TSB #3011B -- ENGINE OIL LEAK AT MAIN BERING SIDE BOLT. *EH (NHTSA ID #10010872, no date provided)
• TSB #3317 -- HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING. *TT (NHTSA ID #10017214, no date provided)
• TSB #3232 -- MISFIRE AT IDLE COLD AND POSSIBLE P0171 AND OR P0174. *EH (NHTSA ID #10011692, no date provided)
• TSB #3292 -- DIESEL ENGINE BALANCE RATES ALL SHOWING ZERO. *EH (NHTSA ID #10013512, no date provided)
• TSB #3187 -- ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS. *EH (NHTSA ID #10010865, no date provided)
• TSB #3239 -- LB7 ENGINE VIBRATION MISS OR RUNS ROUGH NO DIAGNOSTIC TROUBLE CODE. THIS ALSO INCLUDES LB7 C2 C3 C4 C5 D4 D5 E4 E5 K2 K3. *EH (NHTSA ID #10011743, no date provided)
• TSB #3214 -- ENGINE LOW OIL LIGHT ON THE DIC. *EH (NHTSA ID #10011607, no date provided)
• TSB #3299 -- DIESEL OIL LEAK FROM PCV VENT TUBE. *EH (NHTSA ID #10013563, no date provided)
• TSB #3375 -- ROUGH IDLE, SERVICE ENGINE SOON (SES)LIGHT, UNSTABLE IDLE, HESITATION, SURGE OR STALLING. WITH DIAGNOSTIC TROUBLE CODES P0300, P0335 OR P0336. *TT (NHTSA ID #10014923, no date provided)
• TSB #3087 -- CRANK NO START, STALL, HARD START, AND NO CRANKING RPM. *EH (NHTSA ID #10010916, no date provided)
• TSB #3312 -- NO START, HARD START, LOSS OF POWER, OR WHITE SMOKE. *TT (NHTSA ID #10017208, no date provided)
• TSB #3380 -- OIL LEAK FROM THE PCV VENT TUBE. *TT (NHTSA ID #10014932, no date provided)

ENGINE AND ENGINE COOLING:ENGINE

• TSB #030604030 -- MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT (NHTSA ID #10002166, MARCH 01 2007)
• TSB #040604001 -- VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC. *TT (NHTSA ID #10011126, DECEMBER 01 2006)
• TSB #040604007 -- SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. *TT (NHTSA ID #10008460, OCTOBER 01 2006)
• TSB #030693001 -- DIAGNOSTIC INFORMATION ON TURBOCHARGER MALFUNCTION DUE TO LACK OF ENGINE OIL FOR LBZ, LB7, AND LLY DURAMAX DIESEL ENGINE. *KB (NHTSA ID #10020839, MAY 01 2006)
• TSB #060601003 -- INFORMATION ON LONGER MAIN BEARING CAP BOLTS REQUIRED FOR CERTAIN 2001-2006 LB7, LLY, LBZ DURAMAX DIESEL ENGINES. *TT (NHTSA ID #10019474, JANUARY 01 2006)
• TSB #050604077 -- LACK OF POWER LU3 ENGINE) AT HIGH AMBIENT TEMPERATURES ONLY (IF NECESSARY, REPROGRAM PCM WITH NEW SERVICE CALIBRATION).*AK (NHTSA ID #10019582, DECEMBER 01 2005)
• TSB #040604007E -- SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. *TT (NHTSA ID #10012150, OCTOBER 01 2005)
• TSB #040604070 -- INFORMATION ON THE REVISED FUEL FILTER FOR THE 6.6L DURAMAX DIESEL. *TT (NHTSA ID #10012715, AUGUST 01 2005)
• TSB #050604029 -- FLEXIBLE FUEL (RPO L59) ROUGH IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP DIAGNOSTIC TROUBLE CODE P0300. *TT (NHTSA ID #10017336, JUNE 01 2005)
• TSB #040602006 -- ENGINE OVERHEATING. *TT (NHTSA ID #10011206, JUNE 01 2005)
• TSB #050601014 -- OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT (NHTSA ID #10017409, MAY 01 2005)
• TSB #050604008 -- DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON. *TT (NHTSA ID #10017337, APRIL 01 2005)
• TSB #702 -- DURAMAX AIR FILTER. GM TECH LINKS. *TT (NHTSA ID #10016371, FEBRUARY 01 2005)
• TSB #030604041 -- POOR ENGINE PERFORMANCE - MISFIRE, ROUGH IDLE, SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET. *TT (NHTSA ID #10004377, FEBRUARY 01 2005)
• TSB #050604007 -- POOR ENGINE PERFORMANCE - MISFIRE, ROUGH IDLE, STALLS, ENGINE CRANKS BUT DOES NOT RUN, SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET. *TT (NHTSA ID #10017460, FEBRUARY 01 2005)
• TSB #020601022C -- INFORMATION ON ENGINE TICKING. INCLUDING 2004 CHEVROLET KODIAK C45/C5500 SERIES AND 2004 GMC TOPKICK C4500/C5500 SERIES. *TT UPDATE. *TT (NHTSA ID #10004742, JANUARY 01 2005)
• TSB #040604057 -- START/STALL OR POOR DRIVEABILITY AFTER RESTART, LOSS OF GASOLINE OR CNG HOURS/MILES DATA WITH BI-FUEL VEHICLE. *TT (NHTSA ID #10011213, AUGUST 01 2004)
• TSB #040604040 -- IDLE INSTABILITY, LOW OR ROUGH IDLE WITH ELECTRONIC THROTTLE CONTROL. *TT (NHTSA ID #10012155, JUNE 01 2004)
• TSB #040601018 -- INFORMATION ON REVISED DESIGN OF INTAKE GASKET AND RELATED BOLTS FOR 2004 MID-YEAR ENHANCEMENT AND PRIOR YEAR SERVICE USAGE. *TT (NHTSA ID #10012143, JUNE 01 2004)
• TSB #030601024A -- RATTLE NOISE IN ENGINE. *TT (NHTSA ID #10004301, MARCH 01 2004)
• TSB #030604033 -- REVISED DIAGNOSTIC TROUBLE CODE P0336. *TT UPDATE. TO INCLUDE 2004 ISUZU NQR COMMERCIAL MODELS. *TT (NHTSA ID #10002860, MARCH 01 2004)
• TSB #3038 -- ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE. *TT (NHTSA ID #10009648, JANUARY 01 2004)
• TSB #3087 -- CRANK NO START WITH NO CRANKING RPM SPARK OR INJECTOR PULSE. *TT (NHTSA ID #10009513, JANUARY 01 2004)
• TSB #3040 -- SERVICE ENGINE SOON LIGHT AND / OR REDUCED ENGINE POWER MODE DUE TO DIAGNOSTIC TROUBLE CODES P0120, P0220, P1516 AND/OR P1518. THIS CONDITION IS NORMALLY VERY INTERMITTENT. *TT (NHTSA ID #10009377, JANUARY 01 2004)
• TSB #3015 -- 6.0L LQ4 VIN U ENGINE RESTRICTION. *TT (NHTSA ID #10008781, JANUARY 01 2004)
• TSB #00266 -- LOSS OF POWER, HESITATES ON ACCELERATION ON 4.8, 5.3 AND 6.0 ENGINES COUPLED WITH THE 4L60E OR 4L65E TRANSMISSION. *TT (NHTSA ID #10007596, JANUARY 01 2004)
• TSB #00700A -- 4.3L L35 ENGINE WIDE OPEN THROTTLE DIAGNOSTIC TROUBLE CODE (DTC) P0335, P0336, P0339. *TT *MJ (NHTSA ID #10007584, JANUARY 01 2004)
• TSB #3024 -- 4.8 5.3 6.0 GEN 111 ENGINE COATED PISTON INFORMATION. *MJ (NHTSA ID #10008800, JANUARY 01 2004)
• TSB #3011 -- REPEAT ENGINE OIL LEAK AT MAIN BEARING SIDE BOLT. *TT (NHTSA ID #10008780, JANUARY 01 2004)
• TSB #00733A -- LOW OIL LIGHT ON THE DIC DURING ENGINE START. *TT (NHTSA ID #10007275, JANUARY 01 2004)
• TSB #3042 -- SERVICE ENGINE SOON LIGHT AND / OR REDUCED ENGINE POWER MODE DUE TO DIAGNOSTIC TROUBLE CODES P0120, P0220, P1516 AND/OR P1518. THIS CONDITION IS NORMALLY VERY INTERMITTENT. *TT (NHTSA ID #10009379, JANUARY 01 2004)
• TSB #01485B -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. 4.3L LU3 L35 ENGINE. *TT (NHTSA ID #10007272, JANUARY 01 2004)
• TSB #3018 -- ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK. *MJ (NHTSA ID #10008804, JANUARY 01 2004)
• TSB #00609B -- LOW POWER, WILL NOT GO OVER 2300 RPMS. 6.6L LB7 ENGINE. *TT (NHTSA ID #10007527, JANUARY 01 2004)
• TSB #01353 -- ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT (NHTSA ID #10007937, JANUARY 01 2004)
• TSB #01499 -- 2004 6.6L DURAMAX LB7 ENGINES WITH EXTENDED CRANK DURING HOT ENGINE RESTART. DIAGNOSTIC TROUBLE CODE (DTC) P0193 MAY OR MAY NOT BE SET. SIT BULLETIN 1402202. *TT (NHTSA ID #10005481, JANUARY 01 2004)
• TSB #00872A -- OIL PAN OR OIL COOLER LINE LEAK ON GEN III V-8 ENGINES EQUIPPED WITH AN OIL COOLER. *TT (NHTSA ID #10007916, JANUARY 01 2004)
• TSB #00428E -- HIGHER THAN EXPECTED OIL CONSUMPTION EVEN AFTER THE INTAKE BOLTS WERE REPLACED PER 02-06-01-035. *TT (NHTSA ID #10007848, JANUARY 01 2004)
• TSB #3086 -- WHISTLE NOISE FROM THE THROTTLE BODY AREA ON LIGHT THROTTLE ACCELERATION ON VEHICLES WITH GEN III ENGINES AND ELECTRONIC THROTTLE. *TT (NHTSA ID #10009512, JANUARY 01 2004)
• TSB #3055 -- SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT (NHTSA ID #10009666, JANUARY 01 2004)
• TSB #00411B -- LACK OF POWER WITH TAC MODULE CODE OF P1518 REDUCED POWER MODE. *TT *MJ (NHTSA ID #10004112, JANUARY 01 2004)
• TSB #01485A -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX FOR VEHICLE EXHIBITING RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. SIT BULLETIN 1408407. *TT (NHTSA ID #10005445, JANUARY 01 2004)
• TSB #00678B -- ENGINE OVERHEATS ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE. *TT (NHTSA ID #10007286, JANUARY 01 2004)
• TSB #01119A -- ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS. ALSO INCLUDES 2003/2004 M/L VANS. *TT (NHTSA ID #10007576, JANUARY 01 2004)
• TSB #00969A -- ENGINE WHISTLE NOISE. *TT (NHTSA ID #10005469, JANUARY 01 2004)
• TSB #3004 -- 4.8L 5.3L 6.6L 8.1L P1285 P1286 OR P2133 AFTER REPLACING APP SENSOR. *MJ (NHTSA ID #10008891, JANUARY 01 2004)
• TSB #01484 -- GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART. THE BOLT HOLES FOR THE CRANK SHAFT IN THE REPLACEMENT FLYWHEEL ARE LARGER THAN THE HOLES IN THE ORIGINAL PART. SIT BULLETIN 1400596. *TT (NHTSA ID #10005499, JANUARY 01 2004)
• TSB #01774 -- 6.6L LB7 REPEAT ENGINE OIL LEAK (LEFT SIDE) #2 MAIN BEARING CROSS BOLT. *MR (NHTSA ID #10006256, JANUARY 01 2004)
• TSB #01485 -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. 4.3L LU3 L35 ENGINE. *TT (NHTSA ID #10005500, JANUARY 01 2004)
• TSB #02051 -- INTERMITTENT SERVICE ENGINE SOON (SES) LIGHT COMES ON AND CODE P0700 ALONG WITH DIAGNOSTIC TROUBLE CODE P0742 STORED. *TT (NHTSA ID #10007737, JANUARY 01 2004)
• TSB #02029 -- INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL. *MR (NHTSA ID #10006934, JANUARY 01 2004)
• TSB #00764B -- 6.6L DIESEL ENGINE ROUGH IDLE, CLATTER, STALL AND/OR DIAGNOSTIC TROUBLE CODE (DTC) P1223. *TT (NHTSA ID #10007271, JANUARY 01 2004)
• TSB #01674 -- VIBRATION FROM ENGINE MOUNT BRACKET. *MR (NHTSA ID #10007191, JANUARY 01 2004)
• TSB #030604065 -- LACK OF PASSENGER COMPARTMENT HEAT AND/OR RAISED/ROUGH IDLE AFTER START AND/OR P0128 DIAGNOSTIC TROUBLE CODE (DTC) STORED WITH NO SERVICE ENGINE SOON LIGHT ILLUMINATED. *TT (NHTSA ID #10005184, DECEMBER 01 2003)
• TSB #00827C -- SERVICE ENGINE SOON (SES) LIGHT ON WITH TAC MODULE CODES P1516 AND POSSIBLE CODES P1514, P1515, P1518. *TT (NHTSA ID #10004256, NOVEMBER 18 2003)
• TSB #01415 -- CAM SENSOR CONNECTOR DOES NOT FIT SENSOR WHEN ENGINE IS REPLACED. *TT (NHTSA ID #10004219, NOVEMBER 18 2003)
• TSB #00634A -- GEN III ENGINE NOISE AFTER HOT SOAK RESTART. *TT (NHTSA ID #10004162, NOVEMBER 18 2003)
• TSB #030604062 -- THIS BULLETIN IS BEING ISSUED TO REVISE STEP 4 OF DIAGNOSTIC TROUBLE CODE (DTC) P2135. *TT (NHTSA ID #10005559, NOVEMBER 01 2003)
• TSB #100903 -- DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS REVISITED. GM VOICEMAIL LOG. THIS INCLUDES C4500 AND 5500 TRUCKS. *TT (NHTSA ID #10004986, OCTOBER 09 2003)
• TSB #100803 -- THE ENGINE DIAGNOSTIC FUEL LEAKS INSIDE OF THE ENGINE. GM VOICEMAIL LOG. THIS INCLUDES 2000 - 2004 CHEVROAND GMC C4500 AND 5500 TRUCKS. *TT (NHTSA ID #10004982, OCTOBER 08 2003)
• TSB #030604054 -- REVISED FUEL INJECTOR BALANCE TEST WITH TECH 2 (AUTOMATIC TRANSMISSION). VARIOUS MODELS INCLUDING 2003-2004 CHEVROLET KODIAK AND GMC TOPKICK. *TT (NHTSA ID #10004316, OCTOBER 01 2003)
• TSB #030604059 -- REVISED FUEL LEAKS INSIDE OF ENGINE DIAGNOSTIC. 2004 CHEVROLET KODIAK AND GMC TOPKICK ALSO INCLUDED. *TT (NHTSA ID #10004772, OCTOBER 01 2003)
• TSB #030604053 -- REVISED FUEL INJECTOR BALANCE TEST WITH TECH 2 (MANUAL TRANSMISSION). *TT (NHTSA ID #10004315, OCTOBER 01 2003)
• TSB #030604046 -- REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC. *TT (NHTSA ID #10004307, OCTOBER 01 2003)
• TSB #030603001A -- STARTER CRANKS AFTER KEY IS RELEASED (NORMAL CONDITION). *TT (NHTSA ID #10004304, OCTOBER 01 2003)
• TSB #030604045 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) P0093 OR DTC P1093 DIAGNOSTIC TABLES. *TT (NHTSA ID #10004306, OCTOBER 01 2003)
• TSB #030604060 -- INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT (NHTSA ID #10004733, OCTOBER 01 2003)
• TSB #030603008 -- AVOIDING OIL LEVEL SENSOR HARNESS DAMAGE DURING LOWER OIL PAN INSTALLATION. *TT (NHTSA ID #10004373, SEPTEMBER 01 2003)
• TSB #030603007 -- AVAILABILITY OF STARTER MOTOR SOLENOID IF DAMAGED DURING SERVICE. 2004 CHEVROLET KODIAK C4500/5500 AND GMC TOPKICK C4500/5500 INCLUDED. *TT (NHTSA ID #10004372, AUGUST 01 2003)
• TSB #030601024 -- RATTLE NOISE IN ENGINE. *TT (NHTSA ID #10004371, AUGUST 01 2003)
• TSB #030601023 -- HIGHER THAN EXPECTED OIL CONSUMPTION <8500 GVW. VARIOUS MODELS INCLUDING 2003-2004 CHEVROLET KODIAK (C4500-C5500 SERIES MODELS)AND GMC TOPKICK (C4500-C5500 SERIES MODELS). *TT (NHTSA ID #10004370, AUGUST 01 2003)
• TSB #030604031 -- REVISED DIAGNOSTIC TROUBLE CODE P1125. *TT (NHTSA ID #10002858, JUNE 01 2003)
• TSB #030604032 -- CHECK ENGINE LIGHT ON WITH NO DRIVABILITY CONCERNS, DIAGNOSTIC TROUBLE CODE P0120, P0220, P1516, OR P1518 SET. *TT (NHTSA ID #10002859, JUNE 01 2003)
• TSB #030849009 -- REVISED ENGINE OIL PRESSURE GAGE INACCURATE OR INOPERATIVE DIAGNOSTIC INFORMATION. *TT (NHTSA ID #10002870, JUNE 01 2003)
• TSB #030603001 -- ENGINE STARTER CRANKS AFTER KEY IS RELEASED ON COLD START. *TT (NHTSA ID #10000938, JANUARY 01 2003)
• TSB #020604059 -- ENGINE RUNS ROUGH, SERVICE ENGINE SOON LIGHT ON, DIAGNOSTIC TROUBLE CODES P0300 OR P0335 SET. *TT (NHTSA ID #10000725, DECEMBER 01 2002)
• TSB #020601022 -- INFORMATION ON ENGINE TICKING. *MJ (NHTSA ID #10007609, NOVEMBER 01 2002)
• TSB #010102 -- VEHICLE WILL NOT START CONDITION. *TT (NHTSA ID #10000471, NOVEMBER 01 2002)
• TSB #020601023A -- OIL LEAK AT OIL COOLER TO ENGINE BLOCK MATING SURFACE. *TT (NHTSA ID #10000063, SEPTEMBER 01 2002)
• TSB #3056 -- CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT (NHTSA ID #10010364, no date provided)
• TSB #3343 -- ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK. *TT (NHTSA ID #10017229, no date provided)
• TSB #01342 -- 4.3L LU3 ENGINE HOT SOAK HESITATION LOW POWER. *TT (NHTSA ID #10004121, no date provided)
• TSB #3267 -- DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE. *SC (NHTSA ID #10017155, no date provided)
• TSB #3048A -- SUPPLEMENT TO 03-06-01-024B 4.3L LU3 L35 TIMING CHAIN TENSIONER. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. *TT (NHTSA ID #10017154, no date provided)
• TSB #3282 -- ENGINE OVERHEAT ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE. *TT (NHTSA ID #10013504, no date provided)
• TSB #3556 -- HARD START OR EXTENDED CRANK TIME ON INITIAL COLD START WHEN USING ALCOHOL BLENDED FUELS. *SC (NHTSA ID #10016942, no date provided)
• TSB #3691B -- GENERATION III V8 ENGINE PISTON REPAIRS. *TT (NHTSA ID #10019426, no date provided)
• TSB #4231 -- SERVICE VME. SUPPLEMENT TO 00-02-35-003L. UPDATE ON NEW I-SHAFT. *KB (NHTSA ID #10021021, no date provided)
• TSB #3232 -- 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT (NHTSA ID #10014870, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

• TSB #020601027 -- INFORMATION ON HIGHER THAN EXPECTED OIL CONSUMPTION. NLM (NHTSA ID #634283, MAY 01 2005)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

• TSB #01242A -- 6.6L LB7 LLY DIESEL ENGINE DRIVE BELT CHIRPING ON SHUT DOWN. SIT BULLETIN 1460352. *TT (NHTSA ID #10006284, JANUARY 01 2004)
• TSB #3048 -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION KIT. SUPPLEMENT TO 03-06-01-024B. *TT (NHTSA ID #10009391, JANUARY 01 2004)
• TSB #020601010A -- SERPENTINE BELT IDENTIFICATION AND DIAGNOSIS FOR MEDIUM DUTY TRUCKS. VARIOUS MODELS INCLUDING THE CHEVROLET AND GMC C5500 MD 2003. *TT (NHTSA ID #10002837, JUNE 01 2003)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO-CHARGER

• TSB #01496 -- 6.6L LB7 DURAMAX DIESEL TURBOCHARGER NOISES OR FUEL ECONOMY COMPLAINT. SERVICE VME. SIT BULLETIN 1401355. *TT (NHTSA ID #10005493, JANUARY 01 2004)
• TSB #100803 -- EXCESSIVE DURAMAX TURBOCHARGER WHINE NOISE OR POSSIBLY A PERFORMANCE OR A FUEL ECONOMY COMPLAINT. GM VOICEMAIL LOG. THIS INCLUDES 2003-2004 4500 AND 5500 TRUCKS. *TT (NHTSA ID #10004983, OCTOBER 08 2003)
• TSB #3401 -- TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED. *TT (NHTSA ID #10020072, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

• TSB #07057 -- SPECIAL COVERAGE ADJUSTMENT - ENGINE GLOW PLUG ON CERTAIN VEHICLES WITH 6.6L DIESEL V8 (RPO LB7 - VIN 1) ENGINE & CALIFORNIA EMISSIONS (YF5/NE1) OR CLEAN FUEL EMISSIONS (VCL). CSC WAS RECEIVED. *NJ (NHTSA ID #10024154, FEBRUARY 01 2008)
• TSB #070601009 -- DIESEL ENGINE CYLINDER HEAD GASKET MISSING THICKNESS GRADE MARKINGS. *KB (NHTSA ID #10021839, MAY 01 2007)
• TSB #030693001A -- DIAGNOSTIC INFORMATION FOR TURBO FAILURE DUE TO LACK OF OIL OR REPEAT TURBO FAILURES. *TT (NHTSA ID #10004319, AUGUST 01 2005)
• TSB #00968A -- 6.6L LB7 LLY DIESEL ENGINE WITH ROUGH, UNSTABLE, LOW IDLE SPEED OR STALL. *TT (NHTSA ID #10007534, JANUARY 01 2004)
• TSB #01512 -- 6.6 LITER DURAMAX DIESEL ENGINE FUEL KNOCK NOISE. VARIOUS MODELS INCLUDING THE 2004 GMC C4500 AND C5500. SIT BULLETIN 1406247. *TT (NHTSA ID #10005462, JANUARY 01 2004)
• TSB #02035B -- CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION FOR CERTAIN MODELS INCLUDING THE 2003 GMC MEDIUM DUTY. *TT (NHTSA ID #634208, AUGUST 09 2002)
• TSB #02035A -- CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION. *TT (NHTSA ID #634227, AUGUST 05 2002)
• TSB #02035 -- CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION. *TT (NHTSA ID #634223, AUGUST 01 2002)
• TSB #3314 -- DURAMAX DIESEL ENGINE HARD START, NO START, STALL OF DIAGNOSTIC TROUBLE CODE P0093, P1093. *TT (NHTSA ID #10017211, no date provided)
• TSB #3225A -- 01-05 6.6 LLY LB7 DURAMAX DIESEL ENGINE AIR FILTER USAGE. *SC (NHTSA ID #10017137, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO-CHARGER

• TSB #001496A -- THIS MESSAGE IS IN REGARD TO DURAMAX TURBOCHARGER NOISES OR POSSIBLY A PERFORMANCE OR FUEL ECONOMY COMPLAINT. SERVICE VME. 6.6 LB7 DIESEL ENGINE. P0102, P0103, P0236. *TT (NHTSA ID #10005513, JANUARY 01 2004)

ENGINE AND ENGINE COOLING:COOLING SYSTEM

• TSB #3072 -- THE ENGINE COOLANT TEMPERATURE OR INTAKE AIR TEMPERATURE SENSOR MAY READ -40 DEGREES WHEN MONITORED WITH TECH 2. *TT (NHTSA ID #10009622, JANUARY 01 2004)
• TSB #02013 -- COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES. *MR (NHTSA ID #10007119, JANUARY 01 2004)
• TSB #3121 -- EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC (NHTSA ID #10010248, JANUARY 01 2004)
• TSB #03063 -- 03063 - OBD SYSTEM SOFTWARE UPGRADE - ON-BOARD DIAGNOSTIC (OBD) SYSTEM SOFTWARE UPGRADE - DIAGNOSTIC TROUBLE CODE (DTC) P0128 ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE. *TT (NHTSA ID #10005361, DECEMBER 17 2003)
• TSB #10012003 -- BLUEHEAT COOLANT HEATER THERMO TOP C. WEBASTO. *MR (NHTSA ID #10006572, OCTOBER 01 2003)
• TSB #030602007 -- LOSS OF COOLANT. *TT (NHTSA ID #10004303, SEPTEMBER 01 2003)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

• TSB #030605008B -- ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. *TT (NHTSA ID #10005576, NOVEMBER 01 2005)
• TSB #020605003C -- EXHAUST MOAN/VIBRATION. *TT UPDATE. *TT (NHTSA ID #10002939, FEBRUARY 01 2004)
• TSB #030605007 -- EXHAUST RATTLE NOISE OR VIBRATION. *TT (NHTSA ID #10012553, JULY 01 2003)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

• TSB #050604021 -- REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE. *TT (NHTSA ID #10015005, MARCH 01 2005)
• TSB #04152004 -- GM IS ANNOUNCING A PRODUCT EMISSION RECALL, NUMBER 04016. VEHICLES COULD HAVE THE .02 ENGINE OFF NATURAL VACUUM, EONV, EVAPORATIVE EMISSION SYSTEM LEAK DETECTION DIAGNOSTIC DISABLED BY THE POWERTRAIN CONTROL MODULE THAT INCORRECTLY REFEREN (NHTSA ID #10009218, APRIL 15 2004)
• TSB #04016 -- EVAPORATIVE EMISSION SYSTEM DIAGNOSTIC DISABLED BY INCORRECT FUEL LEVEL REFERENCE. RECALL BULLETIN. *TT (NHTSA ID #10006920, APRIL 01 2004)
• TSB #3073 -- 03-06-04-037 SUPPLEMENT - EVAP CANISTER INSTALLATION INFORMATION. *TT (NHTSA ID #10009624, JANUARY 01 2004)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

• TSB #PIP3343 -- POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ (NHTSA ID #10024344, FEBRUARY 01 2008)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

• TSB #3119 -- ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC (NHTSA ID #10010101, JANUARY 01 2004)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

• TSB #020605005A -- EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE. *TT (NHTSA ID #10000726, DECEMBER 01 2002)

FUEL SYSTEM, GASOLINE

• TSB #01747 -- LOCKING GAS CAP AVAILABILITY. *MR (NHTSA ID #10006336, JANUARY 01 2004)
• TSB #02029 -- INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL. *MR (NHTSA ID #10006934, JANUARY 01 2004)
• TSB #030604049 -- REVISED FUEL SYSTEM DIAGNOSIS PICKUP. *TT (NHTSA ID #10004311, OCTOBER 01 2003)

FUEL SYSTEM, GASOLINE:DELIVERY

• TSB #01761B -- FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE OR REFUELING. *NM (NHTSA ID #10007211, JANUARY 01 2004)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

• TSB #3422 -- DURAMAX DIESEL PILOT TO MAIN INJECTION FUEL KNOCK NOISE. *TT (NHTSA ID #10017303, no date provided)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

• TSB #01312 -- FUEL LEAK CONCERN FROM THE FUEL RAIL PRESSURE SENSOR. *TT (NHTSA ID #10004093, NOVEMBER 17 2003)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

• TSB #04039 -- SPECIAL POLICY ADJUSTMENT - INJECTORS - REPLACE. *MJ UPDATED 2/21/08. *NJ (NHTSA ID #10007861, NOVEMBER 01 2007)

FUEL SYSTEM, DIESEL

• TSB #01495 -- DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS. SERVICE VME. LB7 6.6L ENGINE. SIT BULLETIN 1401353. VARIOUS MODELS INCLUDING 2003 AND 2004 GMC C4500 AND 5500 TRUCKS. *TT (NHTSA ID #10005511, JANUARY 01 2004)
• TSB #3125 -- DURAMAX DIESEL LOW POWER AND FUEL ECONOMY. *TC (NHTSA ID #10009959, JANUARY 01 2004)
• TSB #1531156 -- PARTS SHOWING NO STOCK OR NOT AVAILABLE. *MJ (NHTSA ID #10008783, JANUARY 01 2004)
• TSB #030604010 -- 6.6L LB7 DURAMAX DIESEL FUEL PRESSURE REGULATOR REPLACEMENT. 2500/3500 AND C4500/C5500 SERIES MODELS. *TT (NHTSA ID #10000941, JANUARY 01 2003)

FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

• TSB #01568 -- HARD TO FILL FUEL TANK AT HIGH VOLUME DIESEL PUMPS. SIT BULLETIN 1411583. *TT (NHTSA ID #10005409, JANUARY 01 2004)

FUEL SYSTEM, OTHER

• TSB #040849019 -- CRANKS BUT NO START, STALL, INACCURATE/INCORRECT FUEL GAUGE READING, NO FUEL, VEHICLE IS OUT OF FUEL AND FUEL GAUGE READS ABOVE EMPTY. *TT THIS BULLETIN REPLACES PREVIOUS BULLETIN NUMBER 04-08-49-019. *TT (NHTSA ID #10011222, AUGUST 01 2004)
• TSB #030604048 -- REVISED FUEL SYSTEM DIAGNOSIS CAB CHASSIS. *TT (NHTSA ID #10004309, APRIL 01 2004)
• TSB #3087 -- UPDATED PART NUMBER FOR BULLETIN 04-08-49-019 STALL, INACCURATE/INCORRECT FUEL GAUGE READING. *TT (NHTSA ID #10009516, JANUARY 01 2004)
• TSB #01490 -- 6.6L LB7 DIESEL ENGINE RECAPPING TOOL FOR FUEL SYSTEM HIGH-PRESSURE SIDE DIAGNOSIS. SERVICE VME. SIT BULLETIN 1401058. *TT (NHTSA ID #10005505, JANUARY 01 2004)
• TSB #030604047 -- REVISED FUEL SYSTEM DIAGNOSIS-HIGH PRESSURE SIDE. *TT (NHTSA ID #10004308, OCTOBER 01 2003)
• TSB #3616 -- SERVICE VME - 2006 DURAMAX DIESEL ENGINE FUEL SYSTEM COMPONENTS ARE NOT INTERCHANGEABLE WITH EARLIER YEAR MODEL VEHICLES. *TT (NHTSA ID #10018560, no date provided)
• TSB #3149 -- FUEL PRESSURE REGULATOR CONNECTOR OR TERMINAL REPAIRS. *TT (NHTSA ID #10010880, no date provided)

FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

• TSB #4150 -- DUAL TANKS FUEL GAUGE DEFAULTS TO EMPTY - NEW CALIBRATIONS. STALL START TANK TRANSFER. VEHICLES WITH 6.6L RPO LB7 OR LLY ENGINES. *KB (NHTSA ID #10020582, OCTOBER 11 2006)
• TSB #02089 -- INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL. SERVICE VME. *TT (NHTSA ID #10007789, JANUARY 01 2004)
• TSB #01761 -- FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE. SIT BULLETIN 1459166. *TT (NHTSA ID #10006359, JANUARY 01 2004)
• TSB #3046A -- FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT (NHTSA ID #10009382, no date provided)
• TSB #3630A -- FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS. *TT (NHTSA ID #10017273, no date provided)
• TSB #3630 -- INACCURATE FUEL GAUGE READINGS/REAR FLOAT ARM STUCK. *TT UPDATED 03-01-07. *KB (NHTSA ID #10019889, no date provided)

POWER TRAIN

• TSB #030730011B -- TRANSMISSION SLIPS, DELAYED ENGAGEMENT, COLD HESITATION, INTERMITTENT, POOR PERFORMANCE, POWER, SHIFT, DTCS P0701, P1709, P1711, P1713, P0841, P0843, P0847, P0870, P0872, OR P0875. *TT (NHTSA ID #10008638, APRIL 01 2005)
• TSB #040731006 -- EXCESSIVE SHIFTER AND/OR ENGINE VIBRATION, BEARING GROWL AND/OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING CLUTCH PEDAL. *TT (NHTSA ID #10011070, DECEMBER 01 2004)
• TSB #08242004 -- BEARING GROWL OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING THE CLUTCH PEDAL. *TT (NHTSA ID #10013097, AUGUST 24 2004)
• TSB #040731001 -- REVISED CLUTCH PRESSURE PLATE ADJUSTMENT. *TT (NHTSA ID #10011131, JANUARY 01 2004)
• TSB #3092 -- ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY. *SC (NHTSA ID #10010222, JANUARY 01 2004)
• TSB #02086 -- 4L60E, 4L65E INTERMITTENT NEUTRAL FROM A STOP OR STEADY SPEED. *TT (NHTSA ID #10007782, JANUARY 01 2004)
• TSB #00822B -- NO 2ND, NO 4TH AND NO REVERSE. TO INCLUDE 2004 LIGHT DUTY AUTOMOBILES AND TRUCKS EQUIPPED WITH 4L60E OR 4L65E AUTOMATIC TRANSMISSION. *TT (NHTSA ID #10005474, JANUARY 01 2004)
• TSB #3151 -- ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK. *TT (NHTSA ID #10010275, JANUARY 01 2004)
• TSB #02113 -- INTERMITTENT NO FORWARD OR REVERSE WITH POSSIBLY EITHER A FLASHING PRNDL DISPLAY OR A RANGE SHIFT INHIBITED MESSAGE. *TT (NHTSA ID #10007455, JANUARY 01 2004)
• TSB #3054 -- REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT (NHTSA ID #10009665, JANUARY 01 2004)
• TSB #01977 -- ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE. *TT (NHTSA ID #10007580, JANUARY 01 2004)
• TSB #3130 -- ALLISON LCT 1000 PRNDL FLASH AND/OR WILL NOT MOVE. *TC (NHTSA ID #10010079, JANUARY 01 2004)
• TSB #01599 -- 4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT (NHTSA ID #10007237, JANUARY 01 2004)
• TSB #00837 -- ALLISON LCT1000 OVERDRIVE DISABLE LAMP INOPERATIVE AFTER INSTALLATION OF INSTRUMENT PANEL (IP). *TT (NHTSA ID #10010254, JANUARY 01 2004)
• TSB #01410 -- POOR PERFORMANCE FROM A STOP IN 2WD, AUTO OR 4WD HI. 2003, 2003 CADILLAC EXT ALSO INCLUDED. *TT (NHTSA ID #10004214, NOVEMBER 18 2003)
• TSB #01129A -- ALLISON LCT1000 SERVICEABILITY. *TT (NHTSA ID #10004170, NOVEMBER 18 2003)
• TSB #030730054 -- TRANSMISSION FLUID LEAKS OUT OF VENT WHEN TRUCK IS STARTED AFTER A COLD SOAK. *TT (NHTSA ID #10004744, NOVEMBER 01 2003)
• TSB #080403 -- THIS VME MESSAGE APPLIES TO THE VALVE BODY FOR THE ALLISON SERIES 1000 TRANSMISSION REVISED FOR THE 2004 MODEL YEAR TO ADD MODULATED MAIN PRESSURE CONTROL. THIS REVISION WILL PROVIDE ADDITIONAL TRANSMISSION OIL COOLER FLOW AND REDUCE PUMP (NHTSA ID #10003869, AUGUST 04 2003)
• TSB #030730031 -- TRANSMISSION LEAKS, SLIPS, VEHICLE WILL NOT MOVE. *TT (NHTSA ID #10012566, JULY 01 2003)
• TSB #030421005 -- SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0300 AND/OR C0305 SET. *TT (NHTSA ID #10006121, JUNE 01 2003)
• TSB #052103 -- ESSENTIAL TOOLS FOR SERVICING THE ALLISON TRANSMISSION. THESE TOOLS INCLUDE A FOUR-WHEEL DRIVE SPANNER NUT WRENCH, REAR BEARING PULLER LEGS, DIGITAL DEPTH MICROMETER AND A REAR BEARING INSTALLER. THESE TOOLS ARE REQUIRED TO REPLACE A CR (NHTSA ID #10003656, MAY 21 2003)
• TSB #990730016A -- DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT (NHTSA ID #10007838, OCTOBER 01 2002)
• TSB #3105C -- PING, POP, SNAP, OR CLICK NOISE FROM THE PROPELLER SHAFT. *SC (NHTSA ID #10009978, no date provided)
• TSB #3156 -- 261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM. *TT (NHTSA ID #10010292, no date provided)
• TSB #3205 -- ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE. *TT (NHTSA ID #10010861, no date provided)
• TSB #3083 -- M74 ALLISON LCT1000 PTO GEAR APPLICATIONS. *TT (NHTSA ID #10009506, no date provided)
• TSB #3002 -- 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT (NHTSA ID #10008802, no date provided)
• TSB #3105 -- PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT. *TT (NHTSA ID #10017226, no date provided)

POWER TRAIN:CLUTCH ASSEMBLY

• TSB #3870 -- CLUTCH PEDAL FADE OR CLUTCH WILL NOT DISENGAGE TYPICALLY WHEN TOWING. *TT (NHTSA ID #10020238, no date provided)

POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/LINKAGE

• TSB #3021 -- CLUTCH PEDAL ASSEMBLY SQUEAK NOISE. THE CONDITION TYPICALLY OCCURS DURING HOT AMBIENT TEMPERATURE. *TT (NHTSA ID #10008770, JANUARY 01 2004)

POWER TRAIN:MANUAL TRANSMISSION

• TSB #609 -- CLUTCH PEDAL SQUEAK. *SC (NHTSA ID #10016217, SEPTEMBER 01 2004)
• TSB #00908D -- 6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH. *TT *MJ (NHTSA ID #10005441, JANUARY 01 2004)
• TSB #00908C -- 6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH. THESE ARE C/K MODELS. *TT (NHTSA ID #10004409, JANUARY 01 2003)
• TSB #09262002 -- THIS MESSAGE IS ABOUT THE TRANSMISSION NOT SHIFTING INTO GEAR WITH THE CLUTCH PEDAL FULLY DEPRESSED. *MJ (NHTSA ID #10008630, SEPTEMBER 26 2002)
• TSB #09252002 -- THIS MESSAGE IS ABOUT HYDRAULIC FLUID USAGE FOR THE HYDRAULIC CLUTCH SYSTEM. *MJ (NHTSA ID #10008627, SEPTEMBER 25 2002)
• TSB #4144 -- ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB (NHTSA ID #10022360, no date provided)
• TSB #3136 -- SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ (NHTSA ID #10021019, no date provided)

POWER TRAIN:AUTOMATIC TRANSMISSION

• TSB #10082002 -- SERVICE ENGINE SOON LIGHT IS ILLUMINATED AND THE VEHICLE MAY NOT START. DIAGNOSTIC TROUBLE CODE P0706, WHICH RELATES TO TRANSMISSION RANGE SWITCH PERFORMANCE MAY BE STORED. *TT (NHTSA ID #10013129, OCTOBER 08 2008)
• TSB #020730004 -- NEW PRODUCT INFORMATION, GRADE BRAKE FEATURE OF ALLISON 1000 SERIES TRANSMISSION. *SLC THIS BULLETIN REPLACES 02-07-30-004. *TT (NHTSA ID #631800, SEPTEMBER 01 2006)
• TSB #030730031D -- TRANSMISSION LEAKS, SLIPS, VEHICLE WILL NOT MOVE. *TT (NHTSA ID #10004379, FEBRUARY 01 2006)
• TSB #030730038 -- TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE. 2500/3500 SERIES PICKUP MODELS. *TT (NHTSA ID #10004323, OCTOBER 01 2005)
• TSB #010730038B -- THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT (NHTSA ID #10005162, OCTOBER 01 2005)
• TSB #030730020C -- TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT. *TT (NHTSA ID #10005578, MAY 01 2005)
• TSB #050730002 -- NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION. *EH (NHTSA ID #10013480, JANUARY 01 2005)
• TSB #030730044 -- INFORMATION ON ALLISON TRANSMISSION SERVICE REPAIRS - FULL SERVICE OF INTERNAL COMPONENTS. *TT (NHTSA ID #10004326, AUGUST 01 2004)
• TSB #020730011 -- SLOW OR NO ENGAGEMENT OF AUTOMATIC TRANSMISSION NO START BLANK PRNDL DISPLAY FLASHING PRNDL DIAGNOSTIC TROUBLE CODE P0708 P0872 P0847 P0875 P1711 P1713 OR U1000 SET. THIS SERVICE BULLETIN REPLACES 020730011. *EH (NHTSA ID #10012151, JUNE 01 2004)
• TSB #00702 -- SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ (NHTSA ID #10005476, JANUARY 01 2004)
• TSB #00559C -- 4L80E, 4L85E AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) P0706 AND VEHICLE MAY NOT START. *TT (NHTSA ID #10005485, JANUARY 01 2004)
• TSB #30559 -- ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS. *TT (NHTSA ID #10009674, JANUARY 01 2004)
• TSB #00856 -- ALLISON LCT1000 OIL PUMP WHINE, BUZZ ON COLD START. *TT (NHTSA ID #10007815, JANUARY 01 2004)
• TSB #01493 -- ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE WITH P0721, P0731, P0732, P0733, P0734, P0743, P0746, P0747, P0776, P0777, P1720, P1721, P1723 AND P1724. *TT (NHTSA ID #10005508, JANUARY 01 2004)
• TSB #01330 -- ALLISON LCT1000 BUZZ, MOAN NOISE AT 1400 RPM WITH THE 8.1 L18 GAS ENGINE. *TT (NHTSA ID #10007606, JANUARY 01 2004)
• TSB #030730037B -- TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE. *TT (NHTSA ID #10005169, DECEMBER 01 2003)
• TSB #00559B -- 4L80E/4L85E MAY SET A DIAGNOSTIC TROUBLE CODE (DTC) P0706 (TRANSMISSION RANGE SWITCH PERFORMANCE) AND EXHIBIT A NO START CONDITION. *TT (NHTSA ID #10004265, NOVEMBER 18 2003)
• TSB #00557B -- THE ALLISON LCT1000 TRANSMISSIONS MAY EXPERIENCE A LEAK FROM OIL PUMP AREA. *TT (NHTSA ID #10004190, NOVEMBER 18 2003)
• TSB #030730057 -- TRANSMISSION FLUID LEAK FROM FRONT OF TRANSMISSION - TORQUE CONVERTER HOUSING/PUMP AREA. 2500/3500 SERIES MODELS. *TT (NHTSA ID #10005581, NOVEMBER 01 2003)
• TSB #030730056 -- 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT (NHTSA ID #10005566, NOVEMBER 01 2003)
• TSB #030730307A -- TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE. 2500/3500 SERIES PICKUP MODELS. *TT (NHTSA ID #10005580, NOVEMBER 01 2003)
• TSB #020730030A -- SOME CUSTOMERS MAY COMMENT THAT THE TRANSMISSION SLIPS, A SHUDDER, CHUGGLE, OR VIBRATION IS FELT WHEN THE TRANSMISSION SHIFTS FROM FIRST TO SECOND GEAR. *TT (NHTSA ID #10005536, NOVEMBER 01 2003)
• TSB #030730053 -- ALLISON AUTOMATIC TRANSMISSION VALVE BODY HARDWARE CHANGES. *TT (NHTSA ID #10004747, OCTOBER 01 2003)
• TSB #030730037 -- TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE. 2500/3500 SERIES PICKUP MODELS. *TT (NHTSA ID #10004322, SEPTEMBER 01 2003)
• TSB #030730020A -- TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT. *TT (NHTSA ID #10002863, JUNE 01 2003)
• TSB #030730020 -- TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT. *TT (NHTSA ID #10002393, MAY 01 2003)
• TSB #020730032A -- ALLISON TRANSMISSION CONTROL MODULE FASTLEARN PROCEDURE UPDATE REQUIRED AFTER TRANSMISSION REPAIRS. *TT (NHTSA ID #10000467, NOVEMBER 01 2002)
• TSB #020730030 -- SOME CUSTOMERS MAY COMMENT THAT THE TRANSMISSION SLIPS, A SHUDDER, CHUGGLE, OR VIBRATION IS FELT WHEN THE TRANSMISSION SHIFTS FROM FIRST TO SECOND GEAR. *TT (NHTSA ID #634947, AUGUST 01 2002)
• TSB #020417001A -- CONCERNS WITH LAUNCH SHUDDER / VIBRATION ON ACCELERATION. *TT (NHTSA ID #634895, JULY 01 2002)
• TSB #01932 -- ALLISON LCT1000 DARK OR DISCOLORED TRANSMISSION FLUID WITH NO LOSS OF PERFORMANCE. *MR (NHTSA ID #10006495, no date provided)
• TSB #3057 -- ALLISON LCT1000 PUMP WHINE NOISE. *TT (NHTSA ID #10009668, no date provided)
• TSB #3259C -- 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT (NHTSA ID #10005514, no date provided)
• TSB #3161 -- ALLISON LCT1000 CLUNK NOISE ON START IN PARK. *EH (NHTSA ID #10010546, no date provided)
• TSB #3243 -- LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH (NHTSA ID #10011753, no date provided)

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

• TSB #4290 -- ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED. EQUIPPED WITH ALLISON LCT1000 TRANSMISSION RPO M74 OR MW7. *NJ (NHTSA ID #10023751, DECEMBER 01 2007)
• TSB #01483 -- VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. *TT (NHTSA ID #10005496, JANUARY 01 2004)
• TSB #00938B -- ALLISON LCT1000 REPEAT TRANSMISSION CONTROL MODULE (TCM) FAILURES WITH POSSIBLE MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS). *TT (NHTSA ID #10004179, NOVEMBER 18 2003)

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

• TSB #020730024A -- DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT (NHTSA ID #634999, AUGUST 01 2005)
• TSB #01856 -- ALLISON LCT1000 WILL NOT SHIFT FROM PARK DUE TO ICE, SNOW OR MUD BUILD-UP ON SHIFT LINKAGE. *MR (NHTSA ID #10006712, JANUARY 01 2004)
• TSB #020421006 -- SOME CUSTOMERS MAY COMMENT THAT THE 4WD/AWD INDICATOR LIGHTS ON THE SELECTOR SWITCH DO NOT WORK OR THE 4WD/AWD SYSTEM MAY BE INOPERATIVE. *TT (NHTSA ID #634893, JULY 01 2002)

POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

• TSB #3143 -- TRANSMISSION OIL COOLER LINE FITTING CLARIFICATION. *TC (NHTSA ID #10010247, JANUARY 01 2004)

POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

• TSB #00252B -- ALLISON LCT1000 KNOCK NOISE AND POSSIBLE LEAK FROM THE TORQUE CONVERTER AREA. SIT BULLETIN 1401124. *TT (NHTSA ID #10005507, JANUARY 01 2004)

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

• TSB #05-04-21-003 -- SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE (NHTSA ID #10017464, JANUARY 01 2008)
• TSB #020421006C -- INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT (NHTSA ID #10004357, MARCH 01 2004)
• TSB #030421001D -- 4-WHEEL DRIVE SWITCH INDICATOR LIGHTS FLASHING, 4-WHEEL DRIVE INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0836, P0500. *TT (NHTSA ID #10005166, DECEMBER 01 2003)
• TSB #01267B -- SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES. SERVICE VME. *TT (NHTSA ID #10004200, NOVEMBER 18 2003)
• TSB #01267A -- SERVICE 4WD LIGHT ON, THE 4WD IS INOPERATIVE AND NO CODES BESIDES U1000 CODES. SERVICE VME. *TT (NHTSA ID #10004104, NOVEMBER 18 2003)
• TSB #030421001C -- 4-WHEEL DRIVE SWITCH INDICATOR LIGHTS FLASHING, 4-WHEEL DRIVE INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0836, P0500. *TT (NHTSA ID #10002856, JUNE 01 2003)
• TSB #030421001 -- 4-WHEEL DRIVE LIGHT, 4-WHEEL DRIVE INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0836, P0500. *TT (NHTSA ID #10001124, FEBRUARY 01 2003)
• TSB #011603 -- CONCERNS WITH THE SERVICE FOUR-WHEEL DRIVE LIGHT OR THE FOUR-WHEEL DRIVE IS INOPERATIVE WITH A C0327 CODE STORED IN THE TCCM. GM VOICEMAIL EXPRESS. *TT (NHTSA ID #10005105, JANUARY 16 2003)
• TSB #020421006A -- INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT (NHTSA ID #10000173, OCTOBER 01 2002)
• TSB #3526 -- INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM. *TT (NHTSA ID #10016558, no date provided)
• TSB #3351 -- INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION. *TT (NHTSA ID #10014853, no date provided)
• TSB #3665 -- 4WD INOPERATIVE AND POSSIBLE DTC C0327 STORED IN THE TRANSFER CASE CONTROL MODULE. *TT (NHTSA ID #10018926, no date provided)
• TSB #3424 -- ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT (NHTSA ID #10017299, no date provided)

POWER TRAIN:DRIVELINE

• TSB #02116 -- HIGHWAY SPEED VIBRATION ON K2500HD 4WD VEHICLES EQUIPPED WITH A 4L80E AUTOMATIC TRANSMISSION. *TT (NHTSA ID #10007447, JANUARY 01 2004)
• TSB #030419003 -- FLUID LEAK FROM FRONT OF VEHICLE ADD TEFLON TAPE TO FRONT AXLE VENT PLUG THREADS. *EH (NHTSA ID #10012557, AUGUST 01 2003)
• TSB #3300 -- 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH (NHTSA ID #10013572, no date provided)

POWER TRAIN:DRIVELINE:DRIVESHAFT

• TSB #040495001 -- REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION. *TT (NHTSA ID #10008653, MARCH 01 2004)

POWER TRAIN:AXLE ASSEMBLY

• TSB #030419001A -- USE OF SYNTHETIC FRONT AXLE LUBRICANT FOR 4WD VEHICLES SOLD IN COLD WEATHER CLIMATES. *TT THIS BULLETIN REPLACED PREVIOUS BULLETIN DATED 10/01/2003. *TT (NHTSA ID #10004717, SEPTEMBER 01 2004)
• TSB #030419004 -- GROWL OR MOAN NOISE COMING FROM FRONT AXLE. *TT (NHTSA ID #10004366, APRIL 01 2004)
• TSB #030418003 -- REVISED WHEEL DRIVE SHAFT INNER JOINT AND SEAL REPLACEMENT. *TT (NHTSA ID #10002854, JUNE 01 2003)
• TSB #3364 -- REAR AXLE RETAINER BUTTON BREAKAGE. *EH (NHTSA ID #10014953, no date provided)
• TSB #3294 -- HIGHWAY SPEED VIBRATION ON SMOOTH SURFACE. *EH (NHTSA ID #10013541, no date provided)
• TSB #3001 -- THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). *TT 2006 ALL GENERAL MOTORS LIGHT DUTY TRUCKS, VANS AND UTILITIE (NHTSA ID #10008872, no date provided)
• TSB #4030 -- NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB (NHTSA ID #10021676, no date provided)

POWER TRAIN:AXLE HUBS

• TSB #01222A -- REPEAT REAR AXLE HUB SEAL LEAK. *TT (NHTSA ID #10007278, JANUARY 01 2004)

ELECTRICAL SYSTEM

• TSB #030850014 -- INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS), DIC SHOWS UNKNOWN DRIVER, VARIOUS ELECTRICAL RELATED CONDITIONS. INCLUDES ESCALADE ESV AND EXT MOD (NHTSA ID #10004388, JANUARY 01 2006)
• TSB #040849007 -- PERSONAL TRIP BUSINESS TRIP FEATURE MUST BE ON FOR TRIP ODOMETER TO ACCUMULATE. *EH (NHTSA ID #10012680, MARCH 01 2004)
• TSB #00895 -- INSTRUNMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE AT TIMES WHILE CRANKING. *MJ (NHTSA ID #10007645, JANUARY 01 2004)
• TSB #3094 -- ALLISON LCT 1000 P1781 OR P0802 SETTING IN THE ELECTRONIC CONTROL MODULE. (2005 CHEVROLET KODIAK AND 2005 GMC TOP KICK) *SC (NHTSA ID #10010243, JANUARY 01 2004)
• TSB #01950 -- ABS TELLTALE ILLUMINATED, DIAGNOSTIC TROUBLE CODE C0550 STORED IN HISTORY.*MR (NHTSA ID #10007065, JANUARY 01 2004)
• TSB #01953 -- ABS AND RED BRAKE MALFUNCTION INDICATOR LIGHT ON WITH NO DIAGNOSTIC TROUBLE CODES. *MR (NHTSA ID #10006917, JANUARY 01 2004)
• TSB #00632 -- 4.3L L35 ENGINE-DIAGNOSTIC TROUBLE CODE P0300 BUT NO MISFIRE CAN FELT. *MJ (NHTSA ID #10007620, JANUARY 01 2004)
• TSB #01927 -- A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0380, P0621. *TT (NHTSA ID #10007832, JANUARY 01 2004)
• TSB #00574A -- ALLISON LCT1000 NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, DIAGNOSTIC TROUBLE CODES (DTCS) P0721, C0237 POSSIBLE ANTI-LOCK BRAKE SYSTEM (ABS) LAMP ON. SI BULLETIN 1408789. *TT (NHTSA ID #10005451, JANUARY 01 2004)
• TSB #01999 -- DIAGNOSTIC TROUBLE CODE TIPS- LCT1000 TRANSMISSION. *MR (NHTSA ID #10006960, JANUARY 01 2004)
• TSB #01433A -- 6.6L LB7 DURAMAX DIESEL DIAGNOSTIC TROUBLE CODE (DTC)S P0201 - P0208. 2500 HD AND 3500 MODELS. SIT BULLETIN 1408805. *TT (NHTSA ID #10005453, JANUARY 01 2004)
• TSB #01637 -- TRANSFER CASE INOPERATIVE OR SHIFTS TO 4LO AFTER ENCODER MOTOR SENSOR REPLACEMENT. *MJ (NHTSA ID #10007653, JANUARY 01 2004)
• TSB #01737 -- POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265. SIT BULLETIN 1460187. *TT (NHTSA ID #10006354, JANUARY 01 2004)
• TSB #01592 -- 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *TT (NHTSA ID #10005438, JANUARY 01 2004)
• TSB #01267F -- SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550. *MJ (NHTSA ID #10007624, JANUARY 01 2004)
• TSB #01737A -- POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265. *TT (NHTSA ID #10007312, JANUARY 01 2004)
• TSB #01217B -- ALLISON LCT1000 DIAGNOSTIC TROUBLE CODES (DTC) P1711, P0872 AFTER COMPLETING REPAIRS. *MJ (NHTSA ID #10007666, JANUARY 01 2004)
• TSB #00690B -- DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES (DTCS) SETTING. *TT (NHTSA ID #10004247, NOVEMBER 18 2003)
• TSB #01361 -- 6.6L LB7 ENGINE WITH DIAGNOSTIC TROUBLE CODE (DTC) P0201 AND P0208. 2500 HD AND 3500 MODELS. *TT (NHTSA ID #10004142, NOVEMBER 18 2003)
• TSB #030849020 -- INSTRUMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE. *TT (NHTSA ID #10005590, NOVEMBER 01 2003)
• TSB #030849006 -- INSTRUMENT PANEL CLUSTER HIGH BEAM INDICATOR TOO BRIGHT. *TT (NHTSA ID #10002388, MAY 01 2003)
• TSB #032703 -- PASSENGER DOOR MODULE RECALL FOR REMOTE KEYLESS ENTRY, FRONT PASSENGER POWER WINDOW, LOCK, MIRROR AND HEATED SEAT FUNCTIONS. *TT *JB (NHTSA ID #10001874, MARCH 27 2003)
• TSB #032503 -- ANTI-LOCK BRAKE SYSTEM (ABS) TELLTALE LIGHT BEING CONSTANTLY ILLUMINATED WITH A DIAGNOSTIC TROUBLE CODE C0550 BEING STORED. *TT *JB (NHTSA ID #10001867, MARCH 25 2003)
• TSB #030703 -- MULTIPLE DIAGNOSTIC TROUBLE CODES, INCLUDING ANY OR ALL OF P0708, P0847, P0872, P0875, P1711 OR P1713, PARTIAL OR NO PRINDEL DISPLAY OR NO MOVEMENT. *TT *JB (NHTSA ID #10001886, MARCH 07 2003)
• TSB #03011 -- REMOTE KEYLESS ENTRY SYSTEM INOPERATIVE. *JB (NHTSA ID #10001178, MARCH 05 2003)
• TSB #10042002 -- RPO C82 NO LONGER INCLUDE THE INSTRUMENT PANEL JUMPER WIRING HARNESS. *EH (NHTSA ID #10013254, OCTOBER 04 2002)
• TSB #220702 -- SUBJECT REGARDING NEW ENHANCEMENT FOR TECHNICAL ASSISTANCE CALLS RELATED TO ANY ELECTRICAL ISSUES. *TT (NHTSA ID #637306, JULY 22 2002)
• TSB #3089 -- SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT (NHTSA ID #10009520, no date provided)
• TSB #3357 -- MALFUNCTION INDICATOR LIGHT IS ON AND THE VEHICLE HAS A CODE P0706. *TT (NHTSA ID #10014865, no date provided)
• TSB #3155 -- NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, P0721 C0237 P0500 C0055. *TT (NHTSA ID #10014863, no date provided)
• TSB #3427 -- ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757. *TT (NHTSA ID #10017023, no date provided)
• TSB #3001 -- NO COMMUNICATION WITH ANY MODULES, MULTIPE U-DIAGNOSTIC TROUBLE CODES (DTCS), INSTRUMENT PANEL CLUSTER (IPC) WARNING INDICATORS. 03-04 CHEVROLET ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 GMC ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 (NHTSA ID #10008900, no date provided)
• TSB #3190 -- UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *KB (NHTSA ID #10021015, no date provided)
• TSB #3075B -- BLOWN MBEC 1 OR LBEC 1 FUSE. *TT (NHTSA ID #10009599, no date provided)
• TSB #3061C -- DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT (NHTSA ID #10010634, no date provided)

ELECTRICAL SYSTEM:BATTERY

• TSB #01250C -- BATTERY OR CHARGE INDICATOR LIGHT REMAINS ON FOR UP TO 30 SECONDS AFTER A COLD START AND ENGINE RUNNING. *TT (NHTSA ID #10007871, JANUARY 01 2004)
• TSB #02066 -- POTENTIAL BATTERY DRAIN CONDITION. *TT (NHTSA ID #10000015, DECEMBER 01 2002)
• TSB #02066 -- CUSTOMER SATISFACTION PROGRAM REGARDING BATTERY DRAIN CONDITION. *TT (NHTSA ID #10000731, DECEMBER 01 2002)
• TSB #01060A -- ROOF BEACON SWITCH LEFT ON CAUSING BATTERY DRAW. GMC GMT 800. *MJ 2005 MODELS ADDED. *TT (NHTSA ID #10007670, no date provided)

ELECTRICAL SYSTEM:FUSES AND CIRCUIT BREAKERS

• TSB #3075 -- BLOWN MBEC 1 OR LBEC 1 FUSE. *KB (NHTSA ID #10022766, no date provided)

ELECTRICAL SYSTEM:IGNITION

• TSB #05500 -- THE IGNITION DISTRIBUTOR CAP AND ROTOR MAY CORRODE AND CAUSE IGNITION SYSTEM FAILURE. A PRODUCT EMISSION RECALL TO INSPECT / REPLACE THE DISTRIBUTOR IGNITION SYSTEM. *TT GM PARTS BULLETINS & INFORMATION. *TT (NHTSA ID #10017550, MAY 02 2005)
• TSB #02059 -- WRONG SPARK PLUGS. *TT (NHTSA ID #10002753, DECEMBER 15 2002)
• TSB #02059 -- VOLUNTARY EMISSION RECALL INVOLVING SPARK PLUG REPLACEMENT. *TT (NHTSA ID #10000730, DECEMBER 01 2002)
• TSB #02059 -- SPARK PLUG REPLACEMENT. *TT (NHTSA ID #10000016, DECEMBER 01 2002)

DIGITAL INSTRUMENT PANEL

• TSB #07187 -- INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION MAY CAUSE INACCURATE READINGS ON SOME 2003-2004 CADILLAC, CHEVROLET, AND GMC VEHICLES. *NJ UPDATED 2/5/08. *NJ UPDATED 9/5/08. *PE (NHTSA ID #10023585, NOVEMBER 01 2007)
• TSB #4486 -- ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ (NHTSA ID #10022914, no date provided)

EXTERIOR LIGHTING

• TSB #000842010A -- DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT. *TT (NHTSA ID #10002833, JUNE 01 2003)
• TSB #030864018 -- OUTSIDE REARVIEW MIRROR COURTESY LAMP FALLS OUT, BULB BURNS OUT. *TT (NHTSA ID #10002874, JUNE 01 2003)
• TSB #020842005 -- SNOWPLOW ROOF BEACON (LAMP) INOPERATIVE. *TT (NHTSA ID #10000161, OCTOBER 01 2002)

EXTERIOR LIGHTING:HEADLIGHTS

• TSB #3170E -- IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 (NHTSA ID #10019186, no date provided)

EXTERIOR LIGHTING:BRAKE LIGHTS

• TSB #020522004B -- TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT (NHTSA ID #10000171, OCTOBER 01 2002)

EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT

• TSB #070842013 -- TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ (NHTSA ID #10023217, SEPTEMBER 01 2007)

EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS

• TSB #01946 -- HAZARD LIGHT FLASHES WHEN TURN SIGNAL APPLIED. *MR (NHTSA ID #10006497, JANUARY 01 2004)

EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT

• TSB #01188A -- UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *TT (NHTSA ID #10007850, JANUARY 01 2004)

VISIBILITY:WINDSHIELD

• TSB #040848003 -- WINDRUSH AROUND WINDSHIELD. *TT (NHTSA ID #10012532, JUNE 01 2004)
• TSB #01698 -- WINDSHIELD REVEAL MOLDING FLUTERING. SERVICE VME. SIT BULLETIN 1450940. *TT (NHTSA ID #10006391, JANUARY 01 2004)

VISIBILITY:GLASS, SIDE/REAR

• TSB #10222002 -- REAR QUARTER GLASS SERVICE REPLACEMENT KITS MAY HAVE DEFORMED SEALING STRIPED WHEN INITIALLY REMOVED FROM THEIR PACKAGING CAUSING DEALERS TO REORDER. *TT (NHTSA ID #10009500, OCTOBER 22 2002)

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

• TSB #040864003 -- POWER WINDOW MOTOR NOW AVAILABLE SEPARATELY FROM THE POWER WINDOW REGULATORY ASSEMBLY. *TT UPDATED *EH (NHTSA ID #10011144, FEBRUARY 01 2004)
• TSB #01292004 -- BULLETIN 04-08-64-003, FRONT DOOR POWER WINDOW MOTOR ASSEMBLIES - WARRANTY REPAIR INFORMATION. *TT (NHTSA ID #10013030, JANUARY 29 2004)
• TSB #030864037 -- FRONT POWER WINDOW NOISY OR INOPERATIVE ON VEHICLES LOCATED IN MICHIGAN ONLY. *TT (NHTSA ID #10005594, NOVEMBER 01 2003)
• TSB #3573 -- UNWANTED OPERATION OF REAR WINDOWS. *TT (NHTSA ID #10017277, no date provided)

VISIBILITY:REARVIEW MIRRORS/DEVICES

• TSB #3639 -- SERVICE VME-OUTSIDE REAR VIEW MIRROR INOPERATIVE. *SC (NHTSA ID #10017123, no date provided)

VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR

• TSB #01564 -- INSIDE REARVIEW MIRROR COMPASS INOPERATIVE. SERVICE VME. SIT BULLETIN 1411219. *TT (NHTSA ID #10005403, JANUARY 01 2004)
• TSB #3422 -- INACCURATE OUTSIDE TEMPERATURE READING ON INSIDE REARVIEW MIRROR. *TT (NHTSA ID #10017188, no date provided)

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

• TSB #030864010 -- OUTSIDE REARVIEW MIRRORS MAY BLOW IN AT HIGHWAY SPEEDS OR POWER FOLDING FEATURE APPEARS INOPERATIVE. ALSO TO INCLUDE 2005 MODELS. *TT (NHTSA ID #10008512, MAY 01 2004)
• TSB #02007 -- POWER FOLDING MIRRORS WILL NOT FOLD INWARD.*MR (NHTSA ID #10007063, JANUARY 01 2004)
• TSB #01159A -- OUTSIDE REARVIEW MIRRORS MEMORY OPERATION. SIT BULLETIN 1404207. *TT (NHTSA ID #10005470, JANUARY 01 2004)
• TSB #00993 -- OUTSIDE REARVIEW MIRROR GLASS MAY CRACK. *TT (NHTSA ID #10007826, JANUARY 01 2004)
• TSB #030864028 -- AVAILABILITY OF REPLACEMENT PARTS FOR WIDE LOAD OUTSIDE REARVIEW MIRRORS. *TT (NHTSA ID #10004396, SEPTEMBER 01 2003)
• TSB #030864025 -- LEFT CAMPER MIRROR WILL NOT LOCK INTO DETENT WHEN MIRROR IS FOLDED INWARD. *TT (NHTSA ID #10012576, JULY 01 2003)
• TSB #09112002 -- POWER FOLDING MIRRORS HAVE NO DETENT OR THEY MAY FLOP IN THE WIND. *TT (NHTSA ID #10009444, SEPTEMBER 11 2002)
• TSB #170702 -- SUBJECT REGARDING POWER FOLDING OUTSIDE REARVIEW MIRROR OPERATION PRIOR TO CUSTOMER DELIVERY AND / OR TEST DRIVE. *TT (NHTSA ID #637290, JULY 17 2002)
• TSB #150702 -- SOME CUSTOMES HAVE COMMENTED THAT WHEN THE MIRROR IS MANUALLY FOLDED INWARD OR OUTWARD, THE MIRROR DOES NOT RETURN TO ITS ORIGINAL POSITION. *TT (NHTSA ID #637267, JULY 15 2002)
• TSB #3002 -- SERVICE VME - SWITCHING MIRRORS FROM POWER FOLDING TO POWER EXTENDING. *MJ (NHTSA ID #10008899, no date provided)
• TSB #3671 -- SERVICE VME - OUTSIDE REARVIEW MIRROR VIBRATION. *TT (NHTSA ID #10016529, no date provided)

VISIBILITY:WINDSHIELD WIPER/WASHER

• TSB #00844 -- FRONT WINDSHIELD WIPER ARM DOES NOT REMAIN UPRIGHT POSITION AS IT DID ON PRIOR MODELS AND AS A RESULT, CUSTOMER MAY INADVERTENTLY BRAKE THE WIPER ARM TRYING TO EXTEND THE BLADE. *MJ (NHTSA ID #10007515, JANUARY 01 2004)

VISIBILITY:DEFROSTER/DEFOGGER SYSTEM

• TSB #01766 -- FOGGING OF WINDOWS IN THE DEFROST MODE. ALSO INCLUDING MODELS: 2003-2004 GMC YUKON XL, DENALI XL, 2003-2004 SIERRA DENALI. *MR (NHTSA ID #10006220, JANUARY 01 2004)

VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:BLOWER

• TSB #040139009 -- HVAC BLOWER MOTOR INOPERATIVE OR STAYS RUNNING. *TT (NHTSA ID #10011191, AUGUST 01 2004)
• TSB #3691A -- FRONT HVAC BLOWER INOPERATIVE. *TT (NHTSA ID #10018623, no date provided)

AIR BAGS

• TSB #040941003 -- PROPER USE OF LABOR OPERATION CODE WHEN DIAGNOSIS LEADS TO SIR PASSENGER PRESENCE SYSTEM REPLACEMENT. *TT (NHTSA ID #10012542, JUNE 01 2004)
• TSB #020941002 -- AIR BAG LAMP ON, PASSENGER AIR BAG INDICATOR ALWAYS READS OFF, DIAGNOSTIC TROUBLE CODE (DTC) B0092 SET. *TT (NHTSA ID #10000080, MARCH 01 2004)
• TSB #00442A -- DUAL STAGE AIR BAG USED IN SINGLE STAGE APPLICATION. *TT (NHTSA ID #10007291, JANUARY 01 2004)
• TSB #3096 -- INTERMITTENT AIR BAG TELLTALE SETS A FALSE DIAGNOSTIC TROUBLE CODE OF B0083 AND OR B0084. *SC (NHTSA ID #10010245, JANUARY 01 2004)
• TSB #3373 -- SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT (NHTSA ID #10013523, no date provided)
• TSB #4179 -- DUAL STAGE PASSENGER AIR BAG USED IN SINGLE STAGE APPLICATION. *KB (NHTSA ID #10021016, no date provided)

SEAT BELTS

• TSB #040850011 -- REPAIRING NAPPED SEAT FABRIC. *EH (NHTSA ID #10012127, JULY 01 2004)
• TSB #040850003 -- ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE. *EH (NHTSA ID #10012682, MARCH 01 2004)

SEAT BELTS:REAR

• TSB #020940005 -- AVAILABILITY OF REAR SEAT SHOULDER BELT COMFORT GUIDES. *TT (NHTSA ID #10000157, OCTOBER 01 2002)

STRUCTURE

• TSB #00778A -- BUSINESS TRIP AND/OR PERSONAL TRIP ODOMETER INOPERATIVE. SIT BULLETIN 1460572. *TT (NHTSA ID #10006293, JANUARY 01 2004)
• TSB #3128 -- ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED. *SC (NHTSA ID #10009932, JANUARY 01 2004)
• TSB #02052 -- NOISE COMING FROM INSTRUMENT PANEL CLUSTER OR TACHOMETER. *TT (NHTSA ID #10007738, JANUARY 01 2004)

STRUCTURE: FRAME AND MEMBERS:UNDERBODY SHIELDS

• TSB #09302002 -- FRAME BEAMING OR VEHICLE SHAKING AND OR VIBRATION. *EH (NHTSA ID #10013249, SEPTEMBER 30 2002)

STRUCTURE:BODY

• TSB #010866014A -- PICKUP BOX SHEET METAL FRACTURE / DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED. *TT (NHTSA ID #634819, FEBRUARY 01 2005)
• TSB #610 -- RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS. GM TECH LINK. *TT (NHTSA ID #10015770, OCTOBER 01 2004)
• TSB #01936 -- PAINTED BODY SIDE MOLDINGS DIMPLE (RAISED SURFACE). SERVICE VME. *TT (NHTSA ID #10007830, JANUARY 01 2004)
• TSB #3089 -- RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS. *TT (NHTSA ID #10009518, JANUARY 01 2004)
• TSB #030862003A -- COSMETIC RUST ON FRONT BUMPER. *TT (NHTSA ID #10004782, OCTOBER 01 2003)
• TSB #071503 -- REVISED REQUIREMENTS FOR INSTALLING THE RUNNING BOARD. *TT (NHTSA ID #10003791, JULY 15 2003)
• TSB #030844011 -- TWEETER SPEAKER RATTLE IN FRONT SIDE DOOR(S), TWEETER SPEAKER FALLS OUT OF POSITION. *TT (NHTSA ID #10002945, JULY 01 2003)
• TSB #020849007 -- CENTER CONSOLE LID HARD TO OPEN OR CLOSE. *TT (NHTSA ID #10000072, SEPTEMBER 01 2002)

STRUCTURE:BODY:DOOR

• TSB #3000 -- SERVICE VME - 03 - 04 FULL SIZE TRUCK, UTILITIES AND HUMMER H2 PASSENGER DOOR MODULE INOPERATIVE. *MJ (NHTSA ID #10008896, JANUARY 01 2004)
• TSB #030864029 -- INFORMATION ON REMOVING FRONT DOOR TRIM PANEL TO AVOID BREAKAGE. *TT (NHTSA ID #10004397, SEPTEMBER 01 2003)
• TSB #030864022 -- INFORMATION ON REMOVING THE FRONT DOOR TRIM PANEL DURING SWITCH REMOVAL TO AVOID BREAKAGE. *TT (NHTSA ID #10002947, JULY 01 2003)
• TSB #010864014A -- SOME CUSTOMERS MAY COMMENT THAT THE MANUAL LOCK LEVER COMES LOOSE FROM THE DOOR TRIM PANEL. *TT (NHTSA ID #634821, JULY 01 2002)

STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

• TSB #3464 -- DOOR HINGE REPLACEMENT KIT. *TT (NHTSA ID #10014808, no date provided)

STRUCTURE:BODY:TAILGATE

• TSB #3227 -- TAILGATE CABLE SLACK. THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB (NHTSA ID #10011755, OCTOBER 04 2006)
• TSB #04007A -- TAILGATE SUPPORT CABLE. RECALL 04007A. GM PARTS BULLETINS & INFORMATION. *TT UPDATED *EH (NHTSA ID #10010543, OCTOBER 22 2004)

STRUCTURE:BODY:ROOF AND PILLARS

• TSB #3067 -- TINNY RATTLE TYPE NOISE FROM THE ROOF AT HIGHWAY SPEEDS. *TT (NHTSA ID #10009375, JANUARY 01 2004)

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

• TSB #010102 -- FRONT DRIVER AND/OR PASSENGER DOOR LOCK BEZEL IS LOOSE AND FALLING OUT. *TT (NHTSA ID #10000473, NOVEMBER 01 2002)

VEHICLE SPEED CONTROL

• TSB #01470 -- ERRATIC IDLE, IDLE SURGE, ROUGH RUN, OR NEAR STALL. *TT (NHTSA ID #10004413, JANUARY 01 2004)
• TSB #3155 -- SPEEDOMETER INOPERATIVE. *TC (NHTSA ID #10009987, JANUARY 01 2004)

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

• TSB #00786 -- BUZZ NOISE AND VIRBATION IN THE ACCELERATOR PEDAL AT APPROX. 10 MPH ON START UP. *MJ (NHTSA ID #10007714, JANUARY 01 2004)
• TSB #10212002 -- BUZZ NOISE FELT IN THE ACCELERATOR PEDAL ON THE FIRST ACCELERATION AFTER STARTING THE VEHICLE. *TT (NHTSA ID #10009491, OCTOBER 21 2002)

VEHICLE SPEED CONTROL:CRUISE CONTROL

• TSB #3051 -- CRUISE CONTROL AND/OR THE POWER TAKE OFF UNIT (PTO) MAY BE INOPERATIVE. *TT (NHTSA ID #10009388, JANUARY 01 2004)
• TSB #3073 -- DOWNHILL CRUISE CONTROL SURGE. *TT (NHTSA ID #10009593, JANUARY 01 2004)

TIRES

• TSB #030310006D -- 20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO. *EH *TT (NHTSA ID #10012161, SEPTEMBER 01 2005)
• TSB #030310002 -- USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY. THIS SERVICE BULLETIN REPLACES 030310002. *EH (NHTSA ID #10012160, JUNE 01 2004)
• TSB #3157 -- EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE C0543. *TC (NHTSA ID #10010018, JANUARY 01 2004)
• TSB #3425 -- UNABLE TO PROGRAM TIRE SIZE IN EBCM/VSES. *KB (NHTSA ID #10021075, no date provided)

WHEELS

• TSB #050310005 -- HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED. *TT (NHTSA ID #10017339, APRIL 01 2005)
• TSB #01901 -- EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE (DTC) CO542. ALSO INCLUDING 2002, 2003 SIERRA DENALI. *MR (NHTSA ID #10006473, JANUARY 01 2004)
• TSB #3045 -- VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED. *TT (NHTSA ID #10009376, JANUARY 01 2004)

SEATS

• TSB #050850012 -- UNWANTED/LOOSE SEAT MOVEMENT. *TT (NHTSA ID #10017764, OCTOBER 01 2005)
• TSB #040850016B -- MEMORY SEAT MAY NOT RETURN TO REQUESTED POSITION. *EH (NHTSA ID #10011232, AUGUST 01 2005)
• TSB #01862 -- DRIVER PERSONALIZATION REGARDING MEMORY SEATS. *MR (NHTSA ID #10006603, JANUARY 01 2004)
• TSB #3025 -- REPAIRING CLOTH SEATS WITH NAPPED FABRIC. *MJ (NHTSA ID #10008794, JANUARY 01 2004)
• TSB #510 -- REPAIRING NAPPED FABRIC-SEATS MAY HAVE BEEN UPHOLSTERED IN NAPPED FABRICS WITH DORCHESTER ON THE BOLSTER AND HONEYCOMB ON THE INSERT. *SC (NHTSA ID #10016226, OCTOBER 01 2003)
• TSB #120902 -- FRONT PASSENGER SIDE MANUAL SEAT DOES NOT FULLY LOCK INTO POSITION. *TT (NHTSA ID #10002740, DECEMBER 09 2002)
• TSB #10212002 -- INFORMATION ON DIAGNOSTIC TROUBLE CODE 63 FOR PASSENGER SENSING SYSTEM THAT IS NOT CALIBRATED. *TT (NHTSA ID #10009493, OCTOBER 21 2002)

SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

• TSB #708 -- HEATED SEATS TURN OFF. *SC (NHTSA ID #10016457, AUGUST 01 2005)
• TSB #050850008 -- INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET. *TT (NHTSA ID #10017380, AUGUST 01 2005)
• TSB #040850007 -- SERVICE INFORMATION FOR FRONT HEATED SEAT INOPERATIVE/COLD. *MJ (NHTSA ID #10008696, MARCH 01 2004)
• TSB #01850 -- DRIVERS OR PASSENGERS HEATED SEATS TURN ON BY THEMSELVES. *MR (NHTSA ID #10006580, JANUARY 01 2004)
• TSB #030850003 -- SEAT HEATER AND/OR MEMORY POWER SEAT INOPERATIVE. *TT (NHTSA ID #10000947, JANUARY 01 2003)
• TSB #3287B -- HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS. DIAGNOSTIC TROUBLE CODES B2435, B2440, B3606 AND/OR B1825 SET IN THE DRIVERS SEAT MODULE. *TT (NHTSA ID #10018544, no date provided)

SEATS:MID/REAR ASSEMBLY

• TSB #030805001 -- SECOND ROW SEAT CENTER ARMREST PANEL WARPING. *TT (NHTSA ID #10000927, JANUARY 01 2003)

INTERIOR LIGHTING

• TSB #071703 -- SERVICE FOUR-WHEEL DRIVE LIGHT AND THE FOUR-WHEEL DRIVE IS INOPERATIVE. *TT (NHTSA ID #10003798, JULY 17 2003)
• TSB #4365 -- IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN. *KB (NHTSA ID #10021673, no date provided)
• TSB #3170E -- IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 (NHTSA ID #10019186, no date provided)

COMMUNICATIONS:HORN ASSEMBLY

• TSB #3300C -- APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT (NHTSA ID #10013378, no date provided)

EQUIPMENT

• TSB #050846006A -- INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *TT (NHTSA ID #10015018, SEPTEMBER 01 2005)
• TSB #030844018A -- REAR SEAT AUDIO (RSA) AND/OR REAR HVAC INOPERATIVE. *TT UPDATE. *TT (NHTSA ID #10004329, JANUARY 01 2005)
• TSB #3050A -- 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. *TT (NHTSA ID #10009623, JANUARY 01 2004)
• TSB #01457 -- FRONT LICENSE PLATE BRACKET. SERVICE VME. *TT (NHTSA ID #10004259, NOVEMBER 18 2003)
• TSB #00843C -- REPLACEMENT (RKE) TRANSMITTER IS INOPERATIVE - SERVICE VME. *TT (NHTSA ID #10004151, NOVEMBER 18 2003)
• TSB #030852005 -- DIAGNOSTIC INFORMATION FOR REPLACEMENT REMOTE KEYLESS ENTRY (RKE) TRANSMITTER INOPERATIVE - UNABLE TO SYNCHRONIZE. *TT (NHTSA ID #10004335, SEPTEMBER 01 2003)
• TSB #010846002C -- PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT (NHTSA ID #10002836, JUNE 01 2003)
• TSB #3044 -- GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION. *TT (NHTSA ID #10010363, no date provided)

EQUIPMENT:ELECTRICAL

• TSB #01562 -- HVAC DIGITAL DISPLAY DOES NOT ILLUMINATE OR FUNCTION. SERVICE VME. SIT BULLETIN 1411066. *TT (NHTSA ID #10005402, JANUARY 01 2004)
• TSB #01935 -- PRODUCT INFORMATION ON REAR SLIDER. *MR (NHTSA ID #10006443, JANUARY 01 2004)
• TSB #00372D -- ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE. *TT (NHTSA ID #10007287, JANUARY 01 2004)