2003 Toyota Sequoia TSBs
30 Sequoia 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 Sequoia problems. Interested in how this information is collected? Read more about TSBs.
Recent 2003 Sequoia TSBs
STEERING
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Description: VSC-RELATED ZERO POINT CALIBRATION AND SENSOR CHECK. *KB
SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT
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Description: SPECIAL SERVICE CAMPAIGN 50J - PHASE I - FRONT SUSPENSION LOWER BALL JOINT MAY EXPERIENCE EXCESSIVE WEAR AND LOOSENESS CAUSING INCREASED STEERING, EFFORT, REDUCED VEHICLE SELF-CENTERING, AND NOISE IN THE FRONT SUSPENSION. *TT
SERVICE BRAKES, HYDRAULIC:ANTILOCK
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Description: M.I.L. ON DTC C1247 & C1310: SKID CONTROL COMPUTER LOGIC CHANGE. *TT
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Description: ABS WITH EBD & BA & TRAC & VSC SYSTEM REPAIR MANUAL CORRECTION FOR THE 2003 SEQUOIA. 00400-RM959-U1. *TT
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Description: VSC LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODE C1231 IN THE SKID CONTROL COMPUTER MEMORY. A MODIFICATION TO THE SKID CONTROL COMPUTER LOGIC HAS BEEN MADE TO PREVENT THIS CONDITION. *TT
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Description: VSC COMMUNICATION BETWEEN SKID CONTROL COMPUTER AND ENGINE CONTROL MODULE (ECM) - DIAGNOSTIC TROUBLE CODE (DTC) C1203. REVISED. *TT
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Description: VSC COMMUNICATION BETWEEN SKID CONTROL COMPUTER AND ENGINE CONTROL MODULE (ECM) - DIAGNOSTIC TROUBLE CODE (DTC) C1203. *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: VSC-RELATED ZERO POINT CALIBRATION AND SENSOR CHECK. *KB
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Description: ABNORMAL SQUEAL NOISE FROM THE ENGINE ACCESSORY DRIVE BELT AREA, USUALLY DURING COLD START-UP. AN IMPROVED 2UZ-FE ACCESSORY DRIVE BELT HAS BEEN DEVELOPED TO CORRECT THIS CONDITION. *TT
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Description: ENGINE REPAIR MANUAL CORRECTION FOR 2003 TOYOTA SEQUOIA. 00400-RM959-U1. *TT
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Description: ENGINE BANK 1 AND BANK 2 A/F AND 02 IDENTIFICATION. VARIOUS TOYOTA MODELS. *TT
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Description: EXCESSIVE SULFUR DIOXIDE ODOR. *MJ
POWER TRAIN
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Description: SYNTHETIC REAR DIFFERENTIAL FLUID MAINTENANCE AND REPAIR INFORMATION. *TT
POWER TRAIN:AUTOMATIC TRANSMISSION
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Description: SEQUOIA 2001 AUTOMATIC TRANSMISSION - TORQUE CONVERTER CLUTCH AND DRIVE PLATE REPAIR MANUAL CORRECTION. 00400-RM832-U1. *TT '04 SEQUOIA. 00400-RM108-9U1. *TT '03 SEQUOIA. 00400-RM959-U1. *TT '02 SEQUOIA. 00400-RM886-U1. *TT
ELECTRICAL SYSTEM
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Description: OIL PRESSURE GAUGE FLUCTUATION. *AK
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Description: OIL PRESSURE GAUGE FLUCTUATION. *AK
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Description: MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) B1140 & B1141. *TT
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Description: OIL PRESSURE GAUGE READS ABNORMALLY LOW AT IDLE. *TT
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Description: THE ALARM WILL SOUND FOR A BRIEF MOMENT AFTER THE REMOTE KEYLESS ENTRY TRANSMITTER IS USED TO UNLOCK THE VEHICLE. *TT *JB
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Description: OIL PRESSURE GAUGE READS ABNORMALLY LOW AT IDLE. 2000 - 2003 SEQUOIA AND TUNDRA. *TT *JB
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Description: ENGINE IMMOBILIZER SYSTEM - REPAIR MANUAL CORRECTION. *TT
ELECTRICAL SYSTEM:WIRING
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Description: ELECTRICAL WIRING DIAGRAM - REPAIR MANUAL CORRECTION. *TT
STRUCTURE:BODY
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Description: MOON ROOF (SLIDING ROOF) CREAK NOISE. *TT
TIRES:TEMPORARY/EMERGENCY SPARE TIRE
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Description: SPARE TIRE CARRIER OPERATION. VARIOUS MODLELS INCLUDING THE 2004 LANDCRUISER AND 4 RUNNER. *TT
EQUIPMENT
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Description: ACCESSORY HOOD PROTECTOR. *MR
EQUIPMENT:ELECTRICAL
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Description: DIAGNOSTIC GUIDE FOR REAR SEAT ENTERTAINMENT SYSTEMS. *TT
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
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Description: JBL AUDIO SYSTEM POPPING NOISE. *JB
EQUIPMENT:ELECTRICAL:AIR CONDITIONER
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Description: THE AIR CONDITIONING SYSTEM DOES NOT SUFFICIENTLY COOL THE CABIN. *TT
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Description: AIR CONDITIONER COMPRESSOR DURABILITY IMPROVEMENT. *TT