Technical Service Bulletins (TSBs) for the 2004 Sienna 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.
LIMITED SERVICE CAMPAIGN 40H TO REPLACE THE POWER STEERING FLUID RETURN HOSES. TECHNICAL INSTRUCTIONS; DEALERSHIP AND OWNER NOTIFICATION. *TT Read More »
INTERMITTENT VSC ACTIVATION AFTER STARTING THE ENGINE AND DRIVING STRAIGHT FROM A STOP POSITION. THIS CONDITION IS ALWAYS ACCOMPANIED BY THE INSTRUMENT PANEL VSC LIGHT AND AUDIBLE WARNING BUZZER TURNING ON AT THE SAME TIME. *NM UPDATE. 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 »
VSC INDICATOR IS ILLUMINATED AND SETTING FAULT CODE DIAGNOSTIC TROUBLE CODE YAW RATE SENSOR MAY BE SETTING AN IMPROPER DIAGNOSTIC CODE. *EH Read More »
MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0346 (CAMSHAFT POSITION SENSOR A CIRCUIT RANGE/PERFORMANCE [BANK 2]). *TT Read More »
OXYGEN SENSOR (O2S) MONITOR THRESHOLD VALUES FOR ALL TOYOTA MODELS FROM 1996 TO 2003 AND VARIOUS 2004 MODELS INCLUDING COROLLA, ECHO AND SCION XA & XB MODELS. *TT Read More »
WARRANTY COVERAGE ENHANCEMENT - ISOLATED REPORTS FROM EXTREME COLD CLIMATE AREAS THAT THE RADIATOR MAY CRACK AT THE BASE OF ONE OR MORE OF THE RADIATOR TUBES, RESULTING IN COOLANT LEAKAGE - CUSTOMER SUPPORT PROGRAM. Read More »
LIMITED SERVICE CAMPAIGN (LSC) 40I TO REPLACE THE RADIATOR. COLD WEATHER CONDITIONS MAY CAUSE THE BASE OF THE RADIATOR WALL TO CRACK, RESULTING IN THE LEAKAGE OF ENGINE COOLANT. *TT THIS IS AN AMENDED VERSION. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
"DEALER LETTER: SAFETY RECALL COMPLETION IS IMPORTANT NOT ONLY IN SATISFYING GOVERNMENT REQUIREMENTS, BUT ALSO IS AN INTEGRAL PART OF OUR COMMITMENT TO MEET CUSTOMER EXPECTATIONS OF TOYOTA PRODUCTS. Read More »
REGION LETTER: TOYOTA WILL BE SENDING SAFETY RECALL FOLLOW-UP NOTICES TO REMIND OWNERS WHOSE VEHICLES HAVE NOT YET HAD CAMPAIGN REPAIRS COMPLETED. PLEASE NOTE THE FOLLOWING INFORMATION FOR REGIONAL AND PD ASSOCIATES. Read More »
ENGINE CONTROL MODULE (ECM) RESET MEMORY FUNCTION WHENEVER AN AUTOMATIC TRANSMISSION IS REPLACED, OVERHAULED OR INDIVIDUAL COMPONENTS ARE REPLACED. 00-03 ALL MODELS. *TT Read More »
WHENEVER AN AUTOMATIC TRANSMISSION IS REPLACED, OVERHAULED OR INDIVIDUAL COMPONENTS ARE REPLACED, USE THIS PROCEDURE TO CLEAR ENGINE CONTROL MODULE (ECM) LEARNED VALUES TO PREVENT SUBSEQUENT DRIVEABILITY COMPLAINTS. REVISED NOTICE. Read More »
WHENEVER AN AUTOMATIC TRANSMISSION IS REPLACED, OVERHAULED OR INDIVIDUAL COMPONENTS ARE REPLACED, USE THIS PROCEDURE TO CLEAR ENGINE CONTROL MODULE (ECM) LEARNED VALUES TO PREVENT SUBSEQUENT DRIVEABILITY COMPLAINTS. REVISED NOTICE. 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: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE IS AN EXCESSIVE ELECTRICAL RESISTANCE, ON SOME VEHICLES, WHERE THE CONNECTOR HAD BEEN IMPROPERLY CRIMPED, DURING TIME OF MANUFACTURING, AND OXIDIZATION BUILDUP, IN CONNECTOR, ... Read More »
TOYOTA: DURING THE HUMIDITY OR HEAT, THE DASHBOARD WOULD BE EITHER STICKY, MELTING, OR CRACKED AND A PART REPLACEMENT HAS PHASED INTO PROGRAM. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE IS AN EXCESSIVE ELECTRICAL RESISTANCE, ON SOME VEHICLES, WHERE THE CONNECTOR HAD BEEN IMPROPERLY CRIMPED, DURING TIME OF MANUFACTURING, AND OXIDIZATION BUILDUP, IN CONNECTOR, ... Read More »
TSB: WARRANTY OPERATION CODES UPDATED. SOME 2004 ? 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. Read More »
TSB: WARRANTY OPERATION CODES UPDATED. SOME 2004 ? 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. Read More »
"DEALER LETTER: SAFETY RECALL COMPLETION IS IMPORTANT NOT ONLY IN SATISFYING GOVERNMENT REQUIREMENTS, BUT ALSO IS AN INTEGRAL PART OF OUR COMMITMENT TO MEET CUSTOMER EXPECTATIONS OF TOYOTA PRODUCTS. Read More »
"DEALER LETTER: BACKGROUND TOYOTA HAS RECEIVED A NUMBER OF REPORTS REGARDING FRONT SEATBELTS IN CERTAIN 2004 ? 2006 MODEL YEAR SIENNA VEHICLES. Read More »
IN CERTAIN 2004 TO 2006 MODEL YEAR SIENNA VEHICLES, TOYOTA HAS RECEIVED SOME REPORTS WHERE THE FRONT SEATBELTS (RIGHT AND/OR LEFT) MAY SLOWLY OR NON-SMOOTHLY RETRACT. Read More »
REGION LETTER: TOYOTA WILL BE SENDING SAFETY RECALL FOLLOW-UP NOTICES TO REMIND OWNERS WHOSE VEHICLES HAVE NOT YET HAD CAMPAIGN REPAIRS COMPLETED. PLEASE NOTE THE FOLLOWING INFORMATION FOR REGIONAL AND PD ASSOCIATES. Read More »
TSB: WARRANTY OPERATION CODES UPDATED. SOME 2004 ? 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. Read More »
TSB: SOME 2004 ? 2006 MODEL YEAR SIENNA VEHICLES MAY EXHIBIT A CONDITION WHERE THE FRONT DRIVER AND/OR PASSENGER SEAT BELT BECOMES ABNORMALLY SLOW TO RETRACT, OR DOES NOT RETRACT SMOOTHLY. Read More »
"WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. Read More »
TOYOTA: SOME VEHICLES MAY EXHIBIT A CONDITION WHERE ONE OR BOTH SLIDING DOORS DO NOT OPEN OR CLOSE SMOOTHLY. INSPECT THE SLIDING DOOR LOCK ASSEMBLIES AND REPLACE THE AFFECTED COMPONENTS AS NEEDED, ACCORDING TO THE LISTED INSTRUCTIONS. Read More »
TOYOTA: 2004-2009 SIENNA. THE POWER REAR HATCH WILL NOT CLOSE COMPLETELY. THE HATCH WILL START TO CLOSE AND THEN WILL REVERSE BACK UP TO THE OPEN POSITION. *RM Read More »
TOYOTA: SOME VEHICLES MAY EXHIBIT A CONDITION WHERE ONE OR BOTH SLIDING DOORS DO NOT OPEN OR CLOSE SMOOTHLY. INSPECT THE SLIDING DOOR LOCK ASSEMBLIES AND REPLACE THE AFFECTED COMPONENTS AS NEEDED, ACCORDING TO THE LISTED INSTRUCTIONS. Read More »
CUSTOMER SUPPORT PROGRAM - WARRANTY COVERAGE ENHANCEMENT FOR CERTAIN 2004 THROUGH 2006 MODEL YEAR SIENNA MODELS BACK DOOR STAY (REAR LIFTGATE STRUT). *NJ Read More »
TOYOTA: 2004-2009 SIENNA. THE POWER REAR HATCH WILL NOT CLOSE COMPLETELY. THE HATCH WILL START TO CLOSE AND THEN WILL REVERSE BACK UP TO THE OPEN POSITION. *RM Read More »
CUSTOMER SUPPORT PROGRAM - WARRANTY COVERAGE EXTENSION FOR THE BACK DOOR STAYS (REAR LIFTGATE STRUTS) ON CERTAIN 2004 THROUGH 2006 MY SIENNA VEHICLES. *NJ Read More »
TOYOTA: 2004-2009 SIENNA. THE POWER REAR HATCH WILL NOT CLOSE COMPLETELY. THE HATCH WILL START TO CLOSE AND THEN WILL REVERSE BACK UP TO THE OPEN POSITION. *RM Read More »
TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »
REPORTS REGARDING UNEVEN OR PREMATURE TIRE WEAR ON SOME FACTORY-EQUIPPED DUNLOP SP SPORT 4000 DSST P225/60R17 AND BRIDGESTONE B380 RFT P225/60R17 RUN-FLAT TIRES. Read More »
TOYOTA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IN COLD WEATHER WHERE SALT IS USED, THE SALT CAN CORRODE THE SPARE TIRE CARRIER CABLE. 1998-2020 SIENNA. *RM Read More »
DL: IN OUR CONTINUING EFFORTS TO ENSURE THE BEST IN CUSTOMER SATISFACTION, TOYOTA HAS ANNOUNCED A WARRANTY ENHANCEMENT PROGRAM (THE ?PROGRAM?). Read More »
DD: IN MID-DECEMBER 2014, TOYOTA ANNOUNCED THE REIMBURSEMENT PHASE OF THIS PROGRAM. SINCE PRIOR TO THAT ANNOUNCEMENT, TOYOTA HAS BEEN DILIGENTLY MAKING PARTS PREPARATIONS FOR THE PARTS REPLACEMENT PHASE OF THIS PROGRAM. Read More »
"WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. Read More »
"WPB: TOYOTA HAS RECEIVED REPORTS WHERE SOME VEHICLES MAY EXHIBIT CRACKED AND/OR STICKY/MELTING DASHBOARDS AS A RESULT OF HEAT OR HUMIDITY. Read More »
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 Read More »
CUSTOMER SUPPORT PROGRAM - WARRANTY COVERAGE EXTENSION ON CERTAIN 2004 - EARLY 2005 MY 4RUNNER, LAND CRUISER AND SIENNA VEHICLES EQUIPPED WITH THE OPTIONAL REAR (BACK-UP) CAMERA. *NJ Read More »
OWNER RENOTIFICATION OF NON-COMPLETED SPECIAL SERVICE CAMPAIGNS AND LIMITED SERVICE CAMPAIGNS. VARIOUS MODLES INCLUDING THE TOYOTA SCION XB MY2004. *TT Read More »
