Technical Service Bulletins (TSBs) for the 2008 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.
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. ON CERTAIN VEHICLES THE RUBBER OIL SUPPLY HOSE, FOR VVT-I ACTUATOR, IS DEGRADING OVER TIME AND CAUSING A LEAKAGE OF OIL, FROM OIL HOSE, PRODUCING AN ILLUMINATION OF OIL PRESSURE ... Read More »
TOYOTA: UPDATED INFORMATION REGARDING THE RESPONSE OF THE AIR FUEL RATIO SENSOR, THAT IS INCORRECT AND ALSO, AN INCORRECT OXYGEN SENSOR OPERATION MAY BE PRESENT, DUE TO ECM/PCM PROCESSOR P0606 DTC. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME VEHICLES, DUE TO MOISTURE/WATER IN AIR INJECTION PUMPS AND/OR AIR SWITCHING VALVES IN ENGINES, THE CHECK ENGINE LIGHT (MALFUNCTION INDICATOR LIGHT) WOULD ILLUMINATE. Read More »
TOYOTA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. VEHICLES EQUIPPED WITH A 2GR-FE (V6) ENGINE, THE RUBBER PORTION OF THE OIL SUPPLY HOSE FOR VVT-I ACTUATOR MAY DEGRADE OVER TIME. Read More »
TOYOTA: VEHICLES WITH 2GR FE ENGINES MAY EXHIBIT A MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0505 STORED IN THE ENGINE CONTROL MODULE OR ECM (SAE TERM: POWERTRAIN CONTROL MODULE/PCM). Read More »
TOYOTA: SOME VEHICLES WITH 2GR FE ENGINES MAY EXHIBIT A TICKING/CLICKING TYPE NOISE FROM THE CYLINDER HEAD COVER AREA WHICH MAY BE ACCOMPANIED BY A MIL ON AND ONE OR MORE VVT-I RELATED DIAGNOSTIC TROUBLE CODES (DTCS). Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. AN ENHANCEMENT WARRANTY PROGRAM, ON CERTAIN VEHICLES, HAS BEEN ANNOUNCED TO PROVIDE WARRANTY COVERAGE FOR REPAIRS RELATING TO LEAKAGE OR SEEPAGE ENGINE OIL COOLER PIPE. Read More »
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
TOYOTA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN VEHICLES EQUIPPED WITH A 2GR-FE (V6) ENGINE, THE RUBBER PORTION OF THE OIL SUPPLY HOSE FOR THE VVT-I ACTUATOR MAY DEGRADE OVER TIME. 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 »
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 »
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
TOYOTA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. VEHICLES EQUIPPED WITH A 2GR-FE (V6) ENGINE, THE RUBBER PORTION OF THE OIL SUPPLY HOSE FOR VVT-I ACTUATOR MAY DEGRADE OVER TIME. Read More »
TOYOTA: VEHICLES WITH 2GR FE ENGINES MAY EXHIBIT A MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0505 STORED IN THE ENGINE CONTROL MODULE OR ECM (SAE TERM: POWERTRAIN CONTROL MODULE/PCM). 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: UPDATED INFORMATION PROVIDED REGARDING THE REPAIRING PROCEDURES AVAILABLE FOR FLOOR WIRE HARNESS AND REPLACE/REPAIR SIDE AIRBAG SQUIB CIRCUIT, DEPENDING ON PRODUCTION DATE. *PE MODEL 2005-09 SIENNA. UPDATED 4/15/13. Read More »
TOYOTA: SUPPLEMENTAL RESTRAINT SYSTEMS. SOME MODEL VEHICLES MAY EXHIBIT AN SRS LAMP ON CONDTION WITH DIAGNOSTIC TROUBLE CODE (DTC) B0111 AND/OR B0116. AN UPDATED REPAIR PROCEDURE IS AVAILABLE TO ADDRESS THIS CONDITION. 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: MULTIPLE WARNING LIGHTS ILLUMINATED, VEHICLE NOT SHIFTING FROM PARK TO DRIVE, AND OTHER ACCESSORIES BECOMING INOPERATIVE AFTER VEHICLE HAS COLD SOAKED IN SUBFREEZING AMBIENT AIR TEMPERATURES. 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: SUPPLEMENTAL RESTRAINT SYSTEMS. SOME MODEL VEHICLES MAY EXHIBIT AN SRS LAMP ON CONDTION WITH DIAGNOSTIC TROUBLE CODE (DTC) B0111 AND/OR B0116. AN UPDATED REPAIR PROCEDURE IS AVAILABLE TO ADDRESS THIS CONDITION. Read More »
TOYOTA: FOR VEHICLES THAT EXHIBIT DIAGNOSTIC TROUBLE CODE (DTC) B0111 AND/OR B0116, A NEW SERVICE PART HAS BEEN MADE AVAILABLE FOR 05-08 MODEL YEAR SIENNA VEHICLES. *PE Read More »
TOYOTA: UPDATED INFORMATION PROVIDED REGARDING THE REPAIRING PROCEDURES AVAILABLE FOR FLOOR WIRE HARNESS AND REPLACE/REPAIR SIDE AIRBAG SQUIB CIRCUIT, DEPENDING ON PRODUCTION DATE. *PE MODEL 2005-09 SIENNA. UPDATED 4/15/13. 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 »
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 »
"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 »
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: 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 »
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 »
"TT: SOME CUSTOMERS MAY ENCOUNTER BLUETOOTH CONNECTIVITY CONCERNS SUCH AS: ? DIFFICULTY PAIRING THE PHONE. ? INTERMITTENT BLUETOOTH FAILURE TO CONNECT WHEN FIRST TURNING ON THE VEHICLE. 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 »
TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. 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 »
TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »
TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME VEHICLES, DUE TO MOISTURE/WATER IN AIR INJECTION PUMPS AND/OR AIR SWITCHING VALVES IN ENGINES, THE CHECK ENGINE LIGHT (MALFUNCTION INDICATOR LIGHT) WOULD ILLUMINATE. Read More »
