2003 Toyota Corolla TSBs
43 Corolla Technical Service Bulletins
Technical Service Bulletins, or TSBs for short, are notifications made directly by Toyota to help automotive technicians diagnose and repair commonly reported Corolla problems. Interested in how this information is collected? Read more about TSBs.
Recent 2003 Corolla TSBs
SUSPENSION
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Description: INFORMATION ON VEHICLES EXHIBITING A TAPPING NOISE FROM THE FRONT UPPER SUSPENSION AREA. *TT
SUSPENSION:FRONT
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Description: TAPPING NOISE FROM FRONT UPPER SUSPENSION AREA. *TT
SERVICE BRAKES, HYDRAULIC
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Description: BRAKE SQUEAKING NOISE WHEN BACKING UP AND APPLYING THE BRAKES. *TT
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Description: INFORMATION REGARDING REAR HUB BOLTS. *YH
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
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Description: WHEEL FILM FOR BRAKE ROTOR RUST PREVENTION. *TT
ENGINE AND ENGINE COOLING
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Description: ENGINE MECHANICAL - PARTIAL ENGINE ASSY (APRIL, 2003) REPAIR MANUAL CORRECTION. 00400-RM103-7U2. *TT 00400-RM938-U2. *TT
ENGINE AND ENGINE COOLING:ENGINE
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Description: 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 DE
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Description: M.I.L. (ON) DTC P0171, P030# AND/OR P0133 ENGINE RUNNING LEAN IN SUBFREEZING AMBIENT TEMPERATURES. *NJ
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Description: MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0420. *TT UPDATE. *TT
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Description: EXCESSIVE SULFUR DIOXIDE ODOR. *TT
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Description: MALFUNCTION INDICATOR LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODES P0125, P0130, OR P0133 IN THE ENGINE CONTROL MODULE (ECM). REVISED. *TT
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Description: MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0770. *TT
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Description: MALFUNCTION INDICATOR LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODES P0125, P0130, OR P0133 IN THE ENGINE CONTROL MODULE (ECM). *TT
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
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Description: ACCESSORY DRIVE BELT/ BELT TENSIONER ASSEMBLY NOISE. *KB
POWER TRAIN:AUTOMATIC TRANSMISSION
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Description: WHISTLE/HOOT NOISE FROM AUTOMATIC TRANSAXLE. *TT
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Description: SUBJECT REGARDING AUTOMATIC TRANSMISSION FLUID REQUIREMENTS. *TT
POWER TRAIN:AXLE ASSEMBLY
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Description: HUMMING NOISE FROM REAR HUB AXLE BEARING. *TT UPDATE *SC
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Description: ON CERTAIN VEHICLES, IT IS POSSIBLE FOR THE BOLTS (REAR HUB BOLTS) THAT SECURE THE REAR BRAKE AND HUB ASSEMBLY TO THE REAR AXLE CARRIER TO BECOME LOOSE, SPECIAL SERVICE CAMPAIGN 20B IS TO TIGHTEN THE REAR HUB BOLTS. *TT
ELECTRICAL SYSTEM
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Description: DRL RELAY CHECK AFTER LOW/DEAD BATTERY. *TT
ELECTRICAL SYSTEM:BATTERY
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Description: BATTERY RELAY CHECK AFTER LOW / DEAD BATTERY. *TT
EXTERIOR LIGHTING:HEADLIGHTS
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Description: HEADLIGHTS ON WITH SWITCH IN OFF POSITION. *TT
SEAT BELTS
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Description: SEAT BELT EXTENDER. VARIOUS MODELS INCLUDING 2005 SCION TC. *MJ
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Description: SEAT BELT EXTENDER INFORMATION FOR CERTAIN MODELS INCLUDING THE 2004 COROLLA, MATRIX AND SCION AX AND XB. *TT
SEAT BELTS:FRONT
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Description: SUBJECT REGARDING SEAT BELT EXTENDER. *JG
STRUCTURE
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Description: REAR PACKAGE TRAY NOISE REPAIR TIPS. TOYOTA. *TT
STRUCTURE:BODY
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Description: RADIO BEZEL/AIR CONDITIONER VENT TO INSTRUMENT PANEL GAP IMPROVEMENT. *TT *JB
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Description: DOOR GLASS WINDOW RUN IMPROVEMENT. *TT *JB
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Description: INSTRUMENT CLUSTER FINISH PANEL UPPER AND LOWER DOOR IMPROVEMENTS. *TT
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Description: LUGGAGE COMPARTMENT DOOR DIFFICULT TO CLOSE. *TT
STRUCTURE:BODY:DOOR
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Description: WIND NOISE FROM THE FRONT OR REAR DOOR GLASS AREA. *TT
STRUCTURE:BODY:TRUNK LID
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Description: TRUNK DIFFICULT TO OPEN USING THE TRUNK LOCK RELEASE LEVER. *TT
STRUCTURE:BODY:ROOF AND PILLARS
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Description: REPAIR PROCEDURE IN CASES WHERE THE ROOF MOLDING WARPS OR LIFTS AWAY FROM THE ROOF. *TT
VEHICLE SPEED CONTROL:CRUISE CONTROL
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Description: DIAGNOSTICS - CRUISE CONTROL SYSTEM REPAIR MANUAL CORRECTION. 00400-RM938-U1. *TT
WHEELS:LUGS/NUTS/BOLTS
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Description: INFORMATION REGARDING REAR HUB BOLTS. *YH
EQUIPMENT:ELECTRICAL:AIR CONDITIONER
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Description: 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
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Description: POOR HEATER PERFORMANCE DURING CITY DRIVING CONDITIONS. THE AIR CONDITIONER UNIT ASSEMBLY HAS BEEN MODIFIED TO IMPROVE THIS CONDITION. *TT
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Description: A/C COMPRESSOR INSTALLATION PROCEDURE. *MR
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Description: NO AIR FLOW FROM CENTER VENTS. *TT
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Description: LOW AIR VOLUME FROM AIR CONDITIONER SYSTEM. *TT
UNKNOWN OR OTHER
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Description: TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. *KB
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Description: REPAIR MANUAL CORRECTION VOL 1. DIAGNOSTICS - SFI SYSTEM. *TT
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Description: MALFUNCTION INIDICATOR LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODE P0136 AND P0420 STORED IN THE ENGINE CONTROL MODULE (ECM). *TT
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Description: SUBJECT REGARDING WHEEL FILM FOR BRAKE ROTOR RUST PREVENTION. *SLC