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Service bulletins for the 2003 Toyota Corolla

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.

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

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Bulletins, newest first
T-TT-0254-132016-07-07. Service bulletin. AIR BAGS. The technical instructions for Safety Recall DOF (Front Passenger Airbag Inflater Module) require a Techstream Health Check and then a Diagnostic Report (Customer Friendly Health Check.) During the Health Check, a TIS Access Error (S309-10) dialog box maybe displayed for certain Model and Model Year vehicles listed in the applicable vehicle section.
T-SB-0150-132016-07-07. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; SERVICE BRAKES, AIR:DISC:PADS. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-TT-0254-132016-04-12. Service bulletin. AIR BAGS. 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-SB-0150-132016-04-12. Service bulletin. SERVICE BRAKES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-SB-0141-132016-04-12. Service bulletin. PARKING BRAKE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
T-SB-0071-112016-04-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TMS-007-132016-03-31. Service bulletin. VISIBILITY/WIPER; AIR BAGS. 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
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
045072008-01-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. M.I.L. (ON) DTC P0171, P030# AND/OR P0133 ENGINE RUNNING LEAN IN SUBFREEZING AMBIENT TEMPERATURES. *NJ
002072007-07-06. Service bulletin. UNKNOWN OR OTHER. TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. *KB
021072007-05-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. ACCESSORY DRIVE BELT/ BELT TENSIONER ASSEMBLY NOISE. *KB
012052005-11-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. WHISTLE/HOOT NOISE FROM AUTOMATIC TRANSAXLE. *TT
006052005-08-13. Service bulletin. STRUCTURE:BODY:DOOR. WIND NOISE FROM THE FRONT OR REAR DOOR GLASS AREA. *TT
45882005-08-04. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. DIAGNOSTICS - CRUISE CONTROL SYSTEM REPAIR MANUAL CORRECTION. 00400-RM938-U1. *TT
4539B2005-08-03. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE MECHANICAL - PARTIAL ENGINE ASSY (APRIL, 2003) REPAIR MANUAL CORRECTION. 00400-RM103-7U2. *TT 00400-RM938-U2. *TT
001052005-07-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. HUMMING NOISE FROM REAR HUB AXLE BEARING. *TT UPDATE *SC
002052005-07-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR HEATER PERFORMANCE DURING CITY DRIVING CONDITIONS. THE AIR CONDITIONER UNIT ASSEMBLY HAS BEEN MODIFIED TO IMPROVE THIS CONDITION. *TT
003052005-07-26. Service bulletin. SERVICE BRAKES, HYDRAULIC. BRAKE SQUEAKING NOISE WHEN BACKING UP AND APPLYING THE BRAKES. *TT
011052005-07-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. COUNTERMEASURES TO THE AIR CONDITIONER (A/C) MAGNETIC CLUTCH RELAY FOR A/C LIGHT FLASHING (INOPERATIVE A/C) ISSUES ON SOME VEHICLES EQUIPPED WITH A MAGNETIC CLUTCH COMPRESSOR. *TT
028042004-11-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0420. *TT UPDATE. *TT
014042004-07-29. Service bulletin. SEAT BELTS. SEAT BELT EXTENDER. VARIOUS MODELS INCLUDING 2005 SCION TC. *MJ
016042004-07-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. EXCESSIVE SULFUR DIOXIDE ODOR. *TT

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