Technical Service Bulletins (TSBs) for the 2012 4Runner are official communications between Toyota & 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.
TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED. Read More »
"TSB: FLASH REPROGRAMMING ALLOWS THE ECU SOFTWARE TO BE UPDATED WITHOUT REPLACING THE ECU. FLASH CALIBRATION UPDATES FOR SPECIFIC VEHICLE MODELS/ECUS ARE RELEASED AS FIELD-FIX PROCEDURES DESCRIBED IN INDIVIDUAL SERVICE BULLETINS. Read More »
TT: Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. Read More »
TT: Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
TSB: Some 2004 - 2015 model year Tacoma, FJ Cruiser, and 4Runner vehicles may exhibit a cyclical grinding or groaning noise coming from the front differential in 2WD that goes away when operated in 4WD. Read More »
TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Read More »
TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Read More »
TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Read More »
TSB: The purpose of this service bulletin is to provide information regarding the installation of the correct torque converter bolts during automatic transmission/transaxle assembly replacement. Read More »
TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 -2014 model year remanufactured automatic transmissions. Read More »
TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Read More »
TSB: The purpose of this bulletin is to assist in the identification and location of serial numbers on 2006 - 2014 model year automatic transmissions. Read More »
TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
TSB: The purpose of this service bulletin is to provide information regarding the installation of the correct torque converter bolts during automatic transmission/transaxle assembly replacement. Read More »
TOYOTA: WHEN ACCELERATING FROM A STOP OR COMING TO A STOP, A SENSATION OF BEING BUMPED FROM BEHIND OR FROM THE REAR VEHICLE, A CLUNK OR THUNK NOISE AND TO REDUCE CONDITION, IMPROVEMENTS ARE IMPLEMENTED ON REAR PROPELLER SHAFT (DRIVESHAFT). Read More »
TSB: Some 2004 - 2015 model year Tacoma, FJ Cruiser, and 4Runner vehicles may exhibit a cyclical grinding or groaning noise coming from the front differential in 2WD that goes away when operated in 4WD. Read More »
TSB: Some 2004 - 2015 model year Tacoma, FJ Cruiser, and 4Runner vehicles may exhibit a cyclical grinding or groaning noise coming from the front differential in 2WD that goes away when operated in 4WD. Read More »
TSB: REVISION NOTICE: INTRODUCTION HAS BEEN UPDATED. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2012 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM AND ENTUNE? (VERSION LESS THAN 2.1. Read More »
TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED. Read More »
TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Read More »
TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Read More »
"TSB: FLASH REPROGRAMMING ALLOWS THE ECU SOFTWARE TO BE UPDATED WITHOUT REPLACING THE ECU. FLASH CALIBRATION UPDATES FOR SPECIFIC VEHICLE MODELS/ECUS ARE RELEASED AS FIELD-FIX PROCEDURES DESCRIBED IN INDIVIDUAL SERVICE BULLETINS. Read More »
TSB: REVISION NOTICE August 23, 2016 Rev1: Applicability has been updated to include 2015 model year Prius and Prius PHV vehicles. Any previous printed versions of this bulletin should be discarded. Read More »
TSB: Toyota models equipped with the Display Audio Navigation System require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote, and system software. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
Tech Tip: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Read More »
TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. Read More »
TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. Read More »
TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »
TSB: Some 2010 - 2015 model year 4Runner vehicles may exhibit a squeak noise coming from the second row seats when driving over uneven terrain. The bracket for the inside hinge of the 60% second row seat may rub the seat frame. Read More »
TSB: Some 2010 - 2015 model year 4Runner vehicles may exhibit a squeak noise coming from the second row seats when driving over uneven terrain. The bracket for the inside hinge of the 60% second row seat may rub the seat frame. Read More »
TSB: ON SOME VEHICLES, WHEN RAPGARD? IS REMOVED, THE PAINT MAY HAVE A STAINED APPEARANCE. THESE STAINS APPEAR TO BE UNDER THE CLEAR COAT (REPAINTING THIS AREA IS NOT NECESSARY). Read More »
"TT: SOME CUSTOMERS MAY ENCOUNTER BLUETOOTH CONNECTIVITY CONCERNS SUCH AS: ? DIFFICULTY PAIRING THE PHONE. ? INTERMITTENT BLUETOOTH FAILURE TO CONNECT WHEN FIRST TURNING ON THE VEHICLE. Read More »
TSB: TOYOTA MODELS EQUIPPED WITH THE DISPLAY AUDIO NAVIGATION SYSTEM REQUIRE A SPECIAL SERVICE TOOL (SST) USB DRIVE TO UPDATE THE MAP, POINTS OF INTEREST, GRACENOTE, AND SYSTEM SOFTWARE. Read More »
TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »
TSB: Some 2004 - 2015 model year Tacoma, FJ Cruiser, and 4Runner vehicles may exhibit a cyclical grinding or groaning noise coming from the front differential in 2WD that goes away when operated in 4WD. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: *Difficulty to pair the phone. *Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
TT: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Read More »
TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Read More »
TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Read More »
TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: *Difficulty to pair the phone. *Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
TSB: Revision Notice: Introduction has been updated. Any previous printed versions of this bulletin should be discarded. Some 2012 model year vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.1. Read More »
TT: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Read More »
TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
TT: Some customers may encounter Bluetooth? connectivity concerns such as: * Difficulty to pair the phone. * Intermittent Bluetooth? failure to connect to the vehicle when first turning on the vehicle. Read More »
Tech Tip: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Read More »
TSB: REVISION NOTICE August 23, 2016 Rev1: Applicability has been updated to include 2015 model year Prius and Prius PHV vehicles. Any previous printed versions of this bulletin should be discarded. Read More »
TSB: REVISION NOTICE: INTRODUCTION HAS BEEN UPDATED. ANY PREVIOUS PRINTED VERSIONS OF THIS BULLETIN SHOULD BE DISCARDED. SOME 2012 MODEL YEAR VEHICLES EQUIPPED WITH A DISPLAY AUDIO NAVIGATION SYSTEM AND ENTUNE? (VERSION LESS THAN 2.1. Read More »
TSB: Revision Notice: Introduction has been updated. Any previous printed versions of this bulletin should be discarded. Some 2012 model year vehicles equipped with a Display Audio Navigation System and Entune (version less than 2.1. Read More »
TSB: TOYOTA MODELS EQUIPPED WITH THE DISPLAY AUDIO NAVIGATION SYSTEM REQUIRE A SPECIAL SERVICE TOOL (SST) USB DRIVE TO UPDATE THE MAP, POINTS OF INTEREST, GRACENOTE, AND SYSTEM SOFTWARE. Read More »
TSB: Toyota models equipped with the Display Audio Navigation System require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote, and system software. Read More »
TT: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Read More »
Tech Tip: Some customers may experience Bluetooth disconnections or loss of SMS Text Message Functionality on the navigation/audio system with Android phones running OS 4.4 or later. Read More »
TSB: Some 2012 ? 2017 model year 4Runner vehicles may exhibit a condition in which one or both automatic running board(s) will not deploy or stow. The condition may be intermittent. Read More »
TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts. Read More »
TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts. Read More »
TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Read More »
TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Read More »
