Technical Service Bulletins (TSBs) for the 2003 Prius 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.
TOYOTA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. UNUSUAL STEERING VIBRATION WHEN THE DRIVER RELEASES THE STEERING WHEEL. 2001-2003 PRIUS. *RM 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 »
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 Read More »
MASTER, HYBRID, AND MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODES (DTC) P3190, P3191 AND P3101. *TT UPDATED 10/26/07. *NJ Read More »
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. Read More »
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. 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 »
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. Read More »
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. Read More »
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 Read More »
THE THROTTLE BODY MOTOR MAY MALFUNCTION CAUSING THE MALFUNCTION INDICATOR LIGHT (MIL) TO ILLUMINATE ON THE DASH, AND THE ENGINE CONTROL MODULE (ECM) WILL STORE A TROUBLE CODE AND PLACE THE VEHICLE INTO A LIMP HOME MODE. Read More »
TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »
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. Read More »
