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Service bulletins for the 2004 Toyota 4Runner

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

235 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
T-SB-0101-11 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. TSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the risk of further damage to electrical components.
T-SB-0142-13 Rev2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB: Some 2004 - 2015 model year Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
T-SB-0026-152017-08-14. Service bulletin. POWER TRAIN; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. 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. This noise can be addressed by replacing the needle bearing on the left side of the front differential. Refer to the Repair Procedure for Needle Bearing Roller replacement instructions.
T-SB-0083-13 Rev2017-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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.
ZE6_WPB POL14-112017-08-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. WPB: Toyota has received reports where some vehicles may exhibit cracked and/or sticky/melting dashboards as a result of heat or humidity.
ZE6_WEP_Dealer L2017-08-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. DL: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program (the "Program"). This Program extends the warranty coverage for repairs related to cracked and/or sticky/melting Dashboards (Instrument Panels) as a result of heat or humidity on 2003 - 2005 model year 4Runner, 2005 - 2010 model year Avalon, 2007 - 2011 model year Camry and Camry Hybrid, 2004 - 2010 model year Sienna, and 2004 - 2008 model year Solara vehicles. In Mid-December, 2014 Toyota announced the reimbursement Phase of this Program. Since prior to that announcement, Toyota has been diligently making parts preparations for the parts replacement phase of this Program. Due to the age, volume, and breadth of the covered vehicles subject to the Program and the size and complexity of dashboard manufacturing, Toyota will be launching the part replacement portion of this Program is several phases; please refer to the table below for part replacement model phasing.
ZE6_WEP_Region L2017-08-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. RL: In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program (the "Program"). This Program extends the warranty coverage for repairs related to cracked and/or sticky/melting Dashboards (Instrument Panels) as a result of heat or humidity on 2003 - 2005 model year 4Runner, 2005 - 2010 model year Avalon, 2007 - 2011 model year Camry and Camry Hybrid, 2004 - 2010 model year Sienna, and 2004 - 2008 model year Solara vehicles.
T-SB-0039-152017-08-14. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. TSB: Certain 2003 - 2011 model year Toyota vehicles may exhibit a condition where the instrument panel pad (dashboard) becomes cracked and/or has a shiny/degraded appearance. The pad surface may also become sticky or adherent. Follow the procedure in this bulletin to address this condition.
T-SB-0043-14 Rev2017-08-14. Service bulletin. EQUIPMENT:ELECTRICAL. 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. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system. NOTE: There are new security provisions required to obtain a Reset Pass-Code. It is critical that the instructions for this new process are reviewed BEFORE attempting to get a Pass-Code in the new system.
T-SB-0134-142017-08-01. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. 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. Use the information in this bulletin when installing an automatic transmission/transaxle assembly.
ER10_Remail_Deal2017-08-01. Service bulletin. SEAT BELTS: REAR/OTHER:BUCKLE ASSEMBLY; EQUIPMENT; SEAT BELTS; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Dealer Letter: Safety Recall completion is important not only in satisfying government requirements but also is an integral part of our commitment to meet customer expectations of Toyota products. Toyota will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed. We request your assistance in completing the applicable campaign repairs as owners receive the Follow-Up Notice and contact your dealership. Please note the follow-up activity may cause an increase in your current campaign owner appointments. Toyota will continue with additional follow-up activities in the months to come. Please take this into consideration when analyzing your manpower requirements.
ER10_Remail_Regi2017-08-01. Service bulletin. EQUIPMENT; SEAT BELTS; EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Region Letter: Toyota will be sending Safety Recall Follow-Up Notices to remind owners whose vehicles have not yet had campaign repairs completed.
T-SB-0049-11 Rev2017-08-01. Service bulletin. POWER TRAIN; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. TSB: The purpose of this bulletin is to provide information regarding transmission and/or park neutral position switch installation. If the manual shift lever is rotated prior to installing the park neutral position switch, the detent spring may become detached from the manual shift lever.
T-SB-0014-11 Rev2017-08-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; POWER TRAIN:AUTOMATIC TRANSMISSION. 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. Incorrect torque converter bolts or missing washers can cause damage to the torque converter assembly.
T-SB-0006-11 Rev2017-08-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN. TSB: World Standard (WS) Automatic Transmission Fluid (ATF) was introduced to reduce maintenance costs and increase the mileage between scheduled maintenance checks. Here are some important tips when working with ATF-WS in Toyota vehicles requiring it's use.
WPB (POL 14-11)_2017-03-31. Service bulletin. STRUCTURE; EQUIPMENT. "WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. IN MID-DECEMBER, 2014 TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS WARRANTY ENHANCEMENT PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. DUE TO THE AGE, VOLUME, AND BREADTH OF THE COVERED VEHICLES SUBJECT TO THE PROGRAM AND THE SIZE AND COMPLEXITY OF DASHBOARD MANUFACTURING, TOYOTA WILL BE LAUNCHING THE PART REPLACEMENT PORTION OF THIS PROGRAM IN SEVERAL PHASES; PLEASE REFER TO THE TABLE BELOW FOR PART REPLACEMENT MODEL PHASING. ALTHOUGH TOYOTA IS INCREASING PRODUCTION LEVELS, IT IS DIFFICULT TO PREDICT CUSTOMER DEMAND AND WHERE PARTS NEED TO BE SHIPPED TO SUPPORT CUSTOMER DEMAND. IT IS IMPORTANT THAT DEALERSHIPS EXPLAIN TO CUSTOMERS THAT THERE STILL MAY BE A PERIOD OF TIME THE CUSTOMER WILL NEED TO WAIT BEFORE PART REPLACEMENT CAN BE PERFORMED. PLEASE BE SURE TO TAKE THIS INTO CONSIDERATION WHEN PERFORMING CUSTOMER SCHEDULING."
T-TT-0362-152017-03-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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.
T-TT-0381-162017-03-21. Service bulletin. EQUIPMENT. TECH TIP: SOME CUSTOMERS MAY EXPERIENCE DIFFICULTY PROGRAMMING HOMELINK.
T-SB-0012-13 REV2017-03-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM. "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. THIS BULLETIN DETAILS THE TECHSTREAM ECU FLASH REPROGRAMMING PROCESS AND OUTLINES USE OF THE TECHNICAL INFORMATION SYSTEM (TIS) AND THE CALIBRATION UPDATE WIZARD (CUW). FLASH CALIBRATION UPDATES CAN ONLY BE APPLIED TO THE VEHICLE/ECU COMBINATION FOR WHICH THEY ARE INTENDED. ECUS HAVE INTERNAL SECURITY THAT WILL NOT ALLOW THEM TO BE PROGRAMMED WITH ANOTHER ECU’S INFORMATION."
POL14-112017-03-03. Service bulletin. EQUIPMENT. "WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. IN MID-DECEMBER, 2014, TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS WARRANTY ENHANCEMENT PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. DUE TO THE AGE, VOLUME, AND BREADTH OF THE COVERED VEHICLES SUBJECT TO THE PROGRAM AND THE SIZE AND COMPLEXITY OF DASHBOARD MANUFACTURING, TOYOTA HAS LAUNCHED THE PART REPLACEMENT PORTION OF THIS PROGRAM IN SEVERAL PHASES; PLEASE REFER TO THE TABLE BELOW FOR PART REPLACEMENT MODEL PHASING."
ZE6_DEALERD 12/32017-03-03. Service bulletin. EQUIPMENT. DD: IN MID-DECEMBER 2014, TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. DUE TO THE AGE, VOLUME, AND BREADTH OF THE COVERED VEHICLES SUBJECT TO THE PROGRAM AND THE SIZE AND COMPLEXITY OF DASHBOARD MANUFACTURING, TOYOTA HAS LAUNCHED THE PART REPLACEMENT PORTION OF THIS PROGRAM IN SEVERAL PHASES; PLEASE REFER TO THE TABLE BELOW FOR PART REPLACEMENT MODEL PHASING.
ZE6_DEALER 12/32017-03-03. Service bulletin. EQUIPMENT. DL: IN OUR CONTINUING EFFORTS TO ENSURE THE BEST IN CUSTOMER SATISFACTION, TOYOTA HAS ANNOUNCED A WARRANTY ENHANCEMENT PROGRAM (THE “PROGRAM”). THIS PROGRAM EXTENDS THE WARRANTY COVERAGE FOR REPAIRS RELATED TO CRACKED AND/OR STICKY/MELTING DASHBOARDS (INSTRUMENT PANELS) AS A RESULT OF HEAT OR HUMIDITY ON 2003-2005 MODEL YEAR 4RUNNER, 2005-2010 MODEL YEAR AVALON, 2007-2011 MODEL YEAR CAMRY AND CAMRY HYBRID, 2004-2010 MODEL YEAR SIENNA, AND 2004-2008 MODEL YEAR SOLARA VEHICLES.
PHASE 32016-06-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TC13-0192016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-TT-0051-102016-04-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.