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Service bulletins for the 2003 Toyota PRIUS

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.

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

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Bulletins, newest first
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.
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-TT-0303-142017-08-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; HYBRID PROPULSION SYSTEM. Tech Tip: When a DTC is detected by the HV Battery ECU, the HV Control ECU will automatically store a P3000, Information Code 123 ?HV Battery Control System Malfunction? DTC. The purpose of the P3000/123 is to capture the state of the Hybrid Control System when the HV Battery ECU DTC sets. It does not indicate a malfunction of the HV Control ECU.
T-TT-0365-152017-03-28. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: A VEHICLE MAY ARRIVE TO THE DEALER WITH A MIL “ON” CONDITION AND P0A80 STORED IN THE MEMORY. SOME CASES HAVE BEEN IDENTIFIED WITH INTERNAL MODIFICATION DONE TO THE HV BATTERY. MODIFIED OR ALTERED PARTS ARE NOT COVERED UNDER WARRANTY.
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."
T-SB-0119-152017-03-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. TSB: THIS BULLETIN INCLUDES BASIC PROCEDURES FOR PERFORMING A RESCUE CHARGE ON NI-MH HIGH VOLTAGE (HV) BATTERIES. THIS BULLETIN SHOULD BE USED IN CONJUNCTION WITH THE REPAIR MANUAL WHILE PERFORMING RESCUE CHARGE. THE GRX-5100 SHOULD BE USED WHEREVER THE REPAIR MANUAL REFERENCES THE TOYOTA HYBRID SYSTEM (THS) CHARGER.
T-TT-0395-162017-02-23. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. TT: HV BATTERIES HAVE LIQUID FILLED CELL MODULES, TO PREVENT LEAKAGE FROM CELLS, IT IS VERY IMPORTANT TO CONFIRM THE PROPER ORIENTATION MARK OF THE DRC.
TC13-0192016-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-TT-0303-142016-03-31. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-0087-122012-08-21. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE
TSB-0122-112011-12-17. Service bulletin. AIR BAGS; SEATS. TOYOTA: INFORMATION PROVIDED FOR REPLACING THE SEAT COVERS FOR VEHICLES EQUIPPED WITH SIDE AIRBAGS. *PE
TCS-11-0222011-09-26. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. TOYOTA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. UNUSUAL STEERING VIBRATION WHEN THE DRIVER RELEASES THE STEERING WHEEL. 2001-2003 PRIUS. *RM
POL-11-032011-09-26. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM. TOYOTA: UNUSUAL STEERING WHEEL VIBRATION WHEN THE DRIVER RELEASES THE STEERING WHEEL. WARRANTY EXTENSION. *RM
TSB-0064-102010-11-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TOYOTA: TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. 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. MODEL YEARS FROM 2001-2011. *PE
SB-0180-092009-12-19. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE AND ENGINE COOLING:ENGINE. TOYOTA: SOME VEHICLES MAY EXHIBIT A MIL ON CONDITION IF AN ABNORMALLY LOW ENGINE POWER OUTPUT OR FAILURE TO START HAS BEEN DETECTED DURING A PARTICULAR THS DRIVE CYCLE. *PE
002072007-07-06. Service bulletin. UNKNOWN OR OTHER. TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. *KB
023072007-05-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MALFUNCTION INDICATOR LAMP (MIL) ON DIAGNOSTIC TROUBLE CODE (DTC) P3130, AND INFORMATION CODE 346. *KB UPDATED 10/26/07. *NJ
4415B2005-08-19. Service bulletin. ELECTRICAL SYSTEM. BODY ELECTRICAL - COMBINATION METER REPAIR MANUAL CORRECTION FOR 2003 TOYOTA PRIUS. 00400-RM957-U2. *TT
050042005-08-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL SPECIFICATIONS. *TT
0040095712005-08-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. REPAIR MANUAL CORRECTION. *SC
050052005-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SPECIAL SERVICE CAMPAIGN (SSC) 40G - BATTERY MODIFICATION CHEMICAL UPDATE. *TT
040142004-11-23. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. SPECIAL SERVICE CAMPAIGN 40G. HV BATTERY MODIFICATION DATED 07/19/2004. *TT (REVISED). *TT
022042004-07-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MALFUNCTION INDICATOR LAMP (MIL) ON DIAGNOSTIC TROUBLE CODE P3130. *MJ

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