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Service bulletins for the 1999 Toyota Sienna

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

101 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
3462001-02-08. Service bulletin. STRUCTURE:BODY:DOOR. SUBJECT REGARDING PRODUCTION CHANGES MADE TO IMPROVE THE SMOOTHNESS OF OPERATION OF THE SLIDING DOOR HANDLE PUSH BUTTON. *TT
3052000-12-18. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. BRIEF INFORMATION REGARDING A FIELD FIX AVAILABLE FOR INCIDENTS OF WASHER FLUID LEAKAGE FROM THE REAR WASHER NOZZLE ONTO THE REAR GLASS. *TT
EL005002000-07-20. Service bulletin. STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE. CONCERNS WITH FALSE ACTIVATION OF THE FACTORY SECURITY SYSTEM ON VEHICLES STARTING WITH VIN 4T3*F1*C*YU210521. *TT
EL005002000-06-08. Service bulletin. STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE. INFORMATION REGARDING FALSE ACTIVATION OF THE SECURITY ALARM SYSTEM. *MJS
0005232000-05-23. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. SOME VEHICLES MAY EXHIBIT A ROUGH IDLE, AND OR A MIL ON CONDITION IN WHICH A SINGLE CYLINDER MISFIRE CODE OR CODES ARE PRESENT. *TT
0005232000-05-23. Service bulletin. SEATS. CONCERNS WITH THE SEAT BOTTOM COVER BECOMING LOOSE AT THE FRONT LOWER J-CLIP. *TT
BO014002000-05-23. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. SOME CUSTOMER MAY COMPLAIN OF THE POWER WINDOWS RATTLING, ESPECIALLY IN THE DOWN POSITION ON VEHICLES STARTING WITH VIN 4T3ZF13C*YU229450. IN SOME CASES, THE LOWER WINDOW FRAME MAY BE DEFORMED. IMPROVEMENTS HAVE BEEN MADE TO THE LOWER WINDOW FRAME MOUNTING BRACKET TO CORRECT THIS CONDITION. *TT
BO006012000-04-17. Service bulletin. STRUCTURE:BODY:DOOR. SOME CUSTOMERS MAY FIND THAT THE FRONT DOOR RATTLES UPON CLOSING; FRONT DOOR CUSIONS MAY HAVE COME LOOSE AND / OR FALLEN OFF THE DOOR. *TT
BO005002000-04-14. Service bulletin. STRUCTURE:BODY:DOOR. SUBJECT REGARDING POWER SLIDING DOOR CABLE ADJUSTMENT PROCEDURE. *TT
EL003002000-04-14. Service bulletin. POWER TRAIN. SOME VEHICLES MAY EXPERIENCE A SLIGHT, INTERMITTENT RESISTANCE TO MOVEMENT OF THE SPEEDOMETER OR TACHOMETER NEEDLE NEAR ZERO DURING THIE FIRST FEW MILES OF TRAVEL. *TT
ST003992000-04-14. Service bulletin. STEERING. SUBJECT REGARDING STEERING RACK GUIDE INSTALLATION PROCEDURES. *TT
EG013992000-04-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT A ROUGH IDLE, AND OR A MALFUNCTION INDICATOR LIGHT ON CONDITION IN WHICH A SINGLE CYLINDER MISFIRE CODE, OR CODES ARE PRESENT. *TT
EL007992000-04-14. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. SOME VEHICLES MAY EXPERIENCE AN INOPERATIVE PASSENGER SIDE WINDOW WHEN USING THE PASSENGER DOOR SWITCH. *TT
EG001002000-04-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CALIFORNIA EMISSION SPECIFICATION VEHICLES MAY EXHIBIT A ROUGH IDLE AND OR A MIL ON CONDITION IN WHICH A SINGLE CYLINDER MISFIRE CODE OR CODES ARE PRESENT. *TT
BO020992000-04-14. Service bulletin. SEATS. ON SOME VEHICLES THE SEAT COVER MAY BECOME LOOSE. *TT
BO003002000-04-14. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. SUBJECT REGARDING POWER SLIDING DOOR DIAGNOSTIC PROCEDURE. *TT
EL007991999-12-29. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. VEHICLES MAY EXPERIENCE AN INOPERATIVE PASSENGER SIDE WINDOW WHEN USING THE PASSENGER DOOR SWITCH. *TT
SU001991999-11-05. Service bulletin. SUSPENSION:REAR. VEHICLES STARTING WITH 4T3#F1#C-XU116991. *TT
EL005991999-11-04. Service bulletin. AIR BAGS:FRONTAL. TECHNICAL SERVICE BULLETIN CONTAINING REPAIR MANUAL CORRECTIONS TO FRONT PASSENGER AIRBAG. *TT
EG002991999-08-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. REVISED INFORMATION TO ASSIST IN THE DIAGNOSIS OF DIAGNOSTIC TROUBLE CODE P0420 INDICATING A POSSIBLE CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD CONDITION. *TT
0311991999-06-03. Service bulletin. UNKNOWN OR OTHER. BRIEF INFORMATION REGARDING DIAGNOSTIC TROUBLE CODE P0420 INDICATING A POSSIBLE CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD CONDITION. *TT
SS001991999-05-25. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON THE SCANTOOL IMMOBILIZER KEY CODE UTILITY. *TT
BO007991999-05-24. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. SUBJECT ON HEADLIGHT ALIGNMENT. *TT
EG002991999-05-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT DIAGNOSTIC TROUBLE CODE P0420 INDICATING A POSSIBLE CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD CONDITION. *TT
AX004991999-05-07. Service bulletin. EQUIPMENT:MECHANICAL:WRECKER AND WHEEL LIFT DEVICES. SUBJECT REGARDING TOYOTA DINGHY TOWING GUIDE. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.