TSB List for the 2003 Subaru Impreza

Technical Service Bulletins (TSBs) for the 2003 Impreza are official communications between Subaru & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • SUSPENSION
  • SUSPENSION:FRONT:MACPHERSON STRUT
  • SUSPENSION:FRONT:WHEEL BEARING
  • SUSPENSION:REAR
  • SERVICE BRAKES, HYDRAULIC
  • SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
  • SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
  • ENGINE (PWS)
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
  • ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
  • ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
  • FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
  • FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
  • FUEL SYSTEM, OTHER:KINETIC:HOUSING/CASE
  • POWER TRAIN
  • POWER TRAIN:CLUTCH ASSEMBLY
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
  • POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER
  • AIR BAGS
  • AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
  • SEAT BELTS:FRONT:BUCKLE ASSEMBLY
  • STRUCTURE:BODY
  • STRUCTURE:BODY:DOOR
  • LATCHES/LOCKS/LINKAGES
  • VEHICLE SPEED CONTROL:CRUISE CONTROL
  • TIRES
  • EQUIPMENT
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • EQUIPMENT:APPLIANCE:AIR CONDITIONER
  • UNKNOWN OR OTHER
  • SUSPENSION

    • TSB #WVX-34R

      Date Announced:
      JUL 26, 2021
      NHTSA ID:
      #10199955

      Subaru of America, Inc. (SOA) has determined that affected vehicles listed, may have been manufactured with front lower control arms (transverse links) that could corrode in the hanger bracket area if exposed to salt for a prolonged period. Read More »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #053505

      Date Announced:
      OCT 04, 2005
      NHTSA ID:
      #10017969

      COUNTERMEASURE TO ELIMINATE FRONT STRUT NOISE. *TT Read More »

    SUSPENSION:FRONT:WHEEL BEARING

    • TSB #035002

      Date Announced:
      DEC 23, 2002
      NHTSA ID:
      #10000642

      NEW PROCEDURE FOR REPLACING REAR WHEEL BEARINGS. *TT Read More »

    SUSPENSION:REAR

    • TSB #09012003

      Date Announced:
      SEP 01, 2003
      NHTSA ID:
      #10016483

      ON THE CAR REAR WHEEL BEARING REPLACEMENT PROCEDURE. *SC Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #06-68-19R

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10163525

      This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #063304

      Date Announced:
      FEB 15, 2004
      NHTSA ID:
      #10006340

      DISC BRAKE PAD MODIFICATION FOR UNEVEN OR PREMATURE WORN BRAKE PADS. *TT Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

    • TSB #063103

      Date Announced:
      DEC 08, 2004
      NHTSA ID:
      #10002989

      REPLACEMENT OF THE ELECTRONIC CONTROL UNIT (ECU) FOR ANTI-LOCK BRAKE SYSTEM (ABS) REPAIR. *TT UPDATE. *TT Read More »

    ENGINE (PWS)

    • TSB #02-172-18R

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10140424

      This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. Read More »

    • TSB #02-172-18R

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10140479

      This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. Read More »

    • TSB #037012R

      Date Announced:
      JAN 03, 2013
      NHTSA ID:
      #10235830

      Repair Procedure for High-Pitched Sound Read More »

    ENGINE AND ENGINE COOLING

    • TSB #09-51-08R

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10198749

      This bulletin is to advise of SOAa??s revised catalytic converter recycling program shipping procedure. Read More »

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #03-82-18R

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179416

      This service information bulletin announces a design change to the clutch release bearing used on the models listed. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #029605

      Date Announced:
      SEP 09, 2005
      NHTSA ID:
      #10016869

      2.5L REMANUFACTURED SOHC SHORT BLOCK RELEASE. *TT Read More »

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

    • TSB #02

      Date Announced:
      FEB 01, 2006
      NHTSA ID:
      #10019343

      RUBBING MARK ON TIMING BELT. SUBARU. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

    FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #SB-01-170-09

      Date Announced:
      DEC 15, 2009
      NHTSA ID:
      #10032464

      SUBARU: WRX COLD WEATHER FUEL LINE/HOSE SEEPAGE EXTENDED WARRANTY. VEHICLES MAY EXPERIENCE A TEMPORARY FUEL SEEPAGE AT A SPECIFIC ENGINE FUEL DELIVERY PIPE/HOSE DURING COLD ENGINE START UP IN EXTREMELY COLD OUTSIDE TEMPERATURES. Read More »

    FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #SB-01-170-09

      Date Announced:
      DEC 15, 2009
      NHTSA ID:
      #10032464

      SUBARU: WRX COLD WEATHER FUEL LINE/HOSE SEEPAGE EXTENDED WARRANTY. VEHICLES MAY EXPERIENCE A TEMPORARY FUEL SEEPAGE AT A SPECIFIC ENGINE FUEL DELIVERY PIPE/HOSE DURING COLD ENGINE START UP IN EXTREMELY COLD OUTSIDE TEMPERATURES. Read More »

    FUEL SYSTEM, OTHER:KINETIC:HOUSING/CASE

    • TSB #037012R-1

      Date Announced:
      JAN 15, 2014
      NHTSA ID:
      #10234829

      Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts Read More »

    POWER TRAIN

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150924

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150949

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #037012R

      Date Announced:
      MAY 22, 2013
      NHTSA ID:
      #10234828

      This Bulletin provides production change, repair procedure and parts information to address a customer concern of a high-pitched sound coming from the transmission extension housing area. Read More »

    POWER TRAIN:CLUTCH ASSEMBLY

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #035203

      Date Announced:
      MAY 19, 2003
      NHTSA ID:
      #10001726

      CLUTCH PEDAL STICKING. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #03-70-12R

      Date Announced:
      JAN 15, 2014
      NHTSA ID:
      #10089957

      REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS - THIS BULLETIN PROVIDES PRODUCTION CHANGE, REPAIR PROCEDURE AND PARTS INFORMATION TO ADDRESS A CUSTOMER CONCERN OF A ... Read More »

    • TSB #03-70-12R

      Date Announced:
      JAN 03, 2013
      NHTSA ID:
      #10079980

      THIS BULLETIN PROVIDES PRODUCTION CHANGE, REPAIR PROCEDURE AND PARTS INFORMATION TO ADDRESS A CUSTOMER CONCERN OF A HIGH-PITCHED SOUND COMING FROM THE TRANSMISSION EXTENSION HOUSING AREA. Read More »

    • TSB #94

      Date Announced:
      DEC 01, 2002
      NHTSA ID:
      #10000639

      IMPROPERLY MANUFACTURED 4EAT TRANSMISSION PARKING PAWL ROD. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

    POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING

    ELECTRICAL SYSTEM

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #15-302-22

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219491

      This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »

    • TSB #15-192-22R

      Date Announced:
      MAR 18, 2022
      NHTSA ID:
      #10209915

      This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment). Read More »

    • TSB #01-167-08R

      Date Announced:
      JUN 17, 2021
      NHTSA ID:
      #10198758

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models Read More »

    • TSB #01-168-09R

      Date Announced:
      JAN 04, 2021
      NHTSA ID:
      #10186348

      The purpose of this bulletin is to provide replacement key and immobilizer information. Read More »

    • TSB #037012

      Date Announced:
      DEC 13, 2012
      NHTSA ID:
      #10234260

      Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    AIR BAGS

    • TSB #SM06 - WQL-48

      Date Announced:
      DEC 17, 2014
      NHTSA ID:
      #10094182

      SERVICE MEMO: WQL?\48 FRONT PASSENGER AIR BAG INFLATOR RECALL (NHTSA ID 14V?\399) ?C SECOND MAILING Read More »

    • TSB #PM01

      Date Announced:
      NOV 06, 2014
      NHTSA ID:
      #10093691

      PARTS REMINDER: RETURNS TO TAKATA FOR WQL48 AND WQM49 AIR BAG INFLATOR Read More »

    • TSB #PM02

      Date Announced:
      NOV 06, 2014
      NHTSA ID:
      #10093696

      PARTS MEMO: WQL48, WQM49 TAKATA FRONT PASSENGER AIR BAG INFLATOR RECALLS Read More »

    • TSB #SM02 - TAKATA

      Date Announced:
      OCT 15, 2014
      NHTSA ID:
      #10093470

      RETURNS TO TAKATA FOR WQL48 AND WQM49 AIR BAG INFLATOR Read More »

    AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    SEAT BELTS:FRONT:BUCKLE ASSEMBLY

    • TSB #170601

      Date Announced:
      APR 20, 2005
      NHTSA ID:
      #626926

      INFORMATION REGARDING SEAT BELT LATCH SLIDES TO THE LOWER SEAT BELT ANCHOR. *YH UPDATED *EH Read More »

    STRUCTURE:BODY

    STRUCTURE:BODY:DOOR

    LATCHES/LOCKS/LINKAGES

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #09012004

      Date Announced:
      SEP 01, 2004
      NHTSA ID:
      #10014457

      2003MY KEYLESS ENTRY CONTROL MODULE INTERCHANGEABILITY. THIS INCLUDES 2003 SUBARU MODELS. *EH Read More »

    VEHICLE SPEED CONTROL:CRUISE CONTROL

    • TSB #01

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10006814

      CRUISE CONTROL CABLE RETAINING CLIP. *TT Read More »

    TIRES

    • TSB #SB-05-50-10R

      Date Announced:
      FEB 03, 2011
      NHTSA ID:
      #10037968

      SUBARU: THERE IS A STEERING WHEEL VIBRATION AT HIGHWAY SPEEDS DUE TO AN IMPORPER WHEEL BALANCE. *RM Read More »

    EQUIPMENT

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #12-249-23R

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240110

      This bulletin announces the recommended cleaning procedures to followed when encountering vehicles with long time exposure to pollen on painted surfaces on vehicles imported from Japan. This bulletin does not apply to SIA built vehicles. Read More »

    • TSB #15-302-22

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219491

      This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »

    • TSB #01-167-08R

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219492

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. Read More »

    • TSB #01-167-08R

      Date Announced:
      JUN 17, 2021
      NHTSA ID:
      #10198758

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models Read More »

    • TSB #09-51-08R

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10198749

      This bulletin is to advise of SOAa??s revised catalytic converter recycling program shipping procedure. Read More »

    • TSB #14-22-16R

      Date Announced:
      FEB 01, 2021
      NHTSA ID:
      #10187315

      To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool. Read More »

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #01-168-09R

      Date Announced:
      JAN 04, 2021
      NHTSA ID:
      #10186348

      The purpose of this bulletin is to provide replacement key and immobilizer information. Read More »

    • TSB #14-22-16R

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10179378

      Special Service Tools Cross Reference List. Read More »

    • TSB #01-181-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174543

      All Models (Vehicle Cleaning- COVID-19Best Practices) Read More »

    • TSB #Subaru Tech Tips

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161824

      Subaru Service and Technical Support Line Newletter. Read More »

    • TSB #14-22-16R

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10161813

      To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150949

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #02-172-18R

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10140479

      This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. Read More »

    • TSB #01-168-09R

      Date Announced:
      NOV 16, 2016
      NHTSA ID:
      #10120997

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #01-168-09R

      Date Announced:
      APR 12, 2016
      NHTSA ID:
      #10140499

      Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. Read More »

    • TSB #03-70-12

      Date Announced:
      DEC 13, 2012
      NHTSA ID:
      #10093977

      REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS Read More »

    • TSB #1511104

      Date Announced:
      JAN 30, 2004
      NHTSA ID:
      #10006337

      SPEAKER PERFORMANCE. *TT Read More »

    • TSB #127803

      Date Announced:
      MAR 21, 2003
      NHTSA ID:
      #10001351

      FLOOR MAT HOOK REPAIR. *TT Read More »

    • TSB #1510501

      Date Announced:
      JAN 04, 2002
      NHTSA ID:
      #631748

      SUBJECT REGARDING AUTO DIMMING ELECTROCHROMIC COMPASS MIRROR TROUBLE SHOOTING GUIDE. *SLC Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #01-168-09R

      Date Announced:
      SEP 30, 2016
      NHTSA ID:
      #10131647

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #01-168-09R

      Date Announced:
      APR 12, 2016
      NHTSA ID:
      #10140499

      Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. Read More »

    • TSB #14411AA532R1

      Date Announced:
      JAN 25, 2016
      NHTSA ID:
      #10076009

      SOA is pleased to announce the launch of a new remanufactured turbocharger program. Supplies are now available at all RDC?s. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150924

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150949

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #01-168-09R

      Date Announced:
      APR 12, 2016
      NHTSA ID:
      #10140499

      Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #107202R

      Date Announced:
      JUL 15, 2003
      NHTSA ID:
      #10002916

      COUNTERMEASURE TO PREVENT ICING IN THE EVAPORATOR ON AIR CONDITIONED VEHICLES CORRECTION. *TT Read More »

    • TSB #107202

      Date Announced:
      MAR 07, 2003
      NHTSA ID:
      #10001350

      COUNTERMEASURE TO PREVENT ICING IN THE EVAPORATOR ON AIR CONDITIONED VEHICLES. *TT Read More »

    UNKNOWN OR OTHER

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