Technical Service Bulletins (TSBs) for the 2003 Sequoia are official communications between Toyota & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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. Read More »
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
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 Read More »
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. Read More »
"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. Read More »
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 Read More »
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. Read More »
"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. Read More »
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. Read More »
TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION REGARDING NOTIFICATION OF LIMITED SERVICE CAMPAIGN FOLLOW UP NOTICES, TO OWNERS, OF CERTAIN VEHICLES THAT CAMPAIGN COMPLETED REPAIRS OF CORROSION RESISTANT COMPOUND ... Read More »
