Technical Service Bulletins (TSBs) for the 2001 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.

    STEERING

    • TSB #ST00201

      Date Announced:
      JUL 15, 2001
      NHTSA ID:
      #622328

      STEERING ANGLE SENSOR CALIBRATION, ON VEHICLES WITH VSC.*JB Read More »

    • TSB #062001

      Date Announced:
      JUN 20, 2001
      NHTSA ID:
      #623106

      STEERING ANGLE SENSOR CALIBRATION. *ET Read More »

    SUSPENSION

    • TSB #616

      Date Announced:
      JUL 16, 2001
      NHTSA ID:
      #621995

      ELECTRONIC MESSAGE REGAREING A TICKING NOISE FROM THE FRONT WHEEL BEARING DUST DEFLECTOR DUE TO LOOSENESS OF THE DUST REFLECTOR. *TT Read More »

    • TSB #SU00101

      Date Announced:
      JUL 13, 2001
      NHTSA ID:
      #622004

      SOME VEHICLES MAY EXPERIENCE A TICKING NOISE FROM THE FRONT WHEEL BEARING DUST DEFLECTOR DUE TO LOOSENESS OF THE DUST DEFLECTOR. *TT Read More »

    SERVICE BRAKES, HYDRAULIC

    ENGINE (PWS)

    • TSB #T-SB-0012-13 REV

      Date Announced:
      JAN 15, 2015
      NHTSA ID:
      #10096036

      "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 »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #TSB-0064-10

      Date Announced:
      FEB 04, 2010
      NHTSA ID:
      #10034284

      TOYOTA: TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. FLASH REPROGRAMMING ALLOWS THE ECU SOFTWARE TO BE UPDATED WITHOUT REPLACING THE ECU. Read More »

    • TSB #04705

      Date Announced:
      OCT 19, 2005
      NHTSA ID:
      #10017659

      MALFUNCTION INDICATOR LAMP ON DIAGNOSTIC TROUBLE CODE P0420. *TT Read More »

    • TSB #00705

      Date Announced:
      FEB 16, 2005
      NHTSA ID:
      #10016693

      MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0446 (EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL MALFUNCTION) (ONLY). *TT Read More »

    • TSB #03704

      Date Announced:
      SEP 03, 2004
      NHTSA ID:
      #10010021

      ENGINE BANK 1 AND BANK 2 A/F AND 02 IDENTIFICATION. VARIOUS TOYOTA MODELS. *TT Read More »

    • TSB #EG01303

      Date Announced:
      SEP 29, 2003
      NHTSA ID:
      #10003965

      MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440, P0441 AND/OR P0446 STORED. *TT Read More »

    • TSB #EG01303R

      Date Announced:
      SEP 29, 2003
      NHTSA ID:
      #10004636

      MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440, P0441 AND/OR P0446 STORED. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #TC02002

      Date Announced:
      JAN 30, 2002
      NHTSA ID:
      #628696

      SPECIAL POLICY ADJUSTMENT REGARDING VEHICLES EXPERIENCING ENGINE OIL GELLING OR SLUDGE. *TT Read More »

    POWER TRAIN

    • TSB #01005

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #10016637

      A541E TRANSMISSION SOLENOID IDENTIFICATION. *TT Read More »

    ELECTRICAL SYSTEM

    • TSB #T-SB-0012-13 REV

      Date Announced:
      JAN 15, 2015
      NHTSA ID:
      #10096036

      "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 #EL01303

      Date Announced:
      SEP 26, 2003
      NHTSA ID:
      #10003964

      CHARGING IMPROVEMENT AT IDLE. *TT Read More »

    • TSB #EL01303

      Date Announced:
      SEP 26, 2003
      NHTSA ID:
      #10005238

      CHARGING IMPROVEMENT AT IDLE. REVISED. *TT Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #PG01700

      Date Announced:
      SEP 01, 2000
      NHTSA ID:
      #614966

      SOME MODEL YEAR VEHICLES ARE EQUIPPED WITH A COMPASS IN THE REAR VIEW MIRROR. THIS BULLETIN PROVIDES PROCEDURES TO COMPLETE INITIAL CALIBRATION OF THE COMPASS DURING THE ROAD TEST SECTION OF PRE-DELIVERY SERVICE (PDS). Read More »

    AIR BAGS

    • TSB #TSB-0122-11

      Date Announced:
      SEP 06, 2011
      NHTSA ID:
      #10042555

      TOYOTA: INFORMATION PROVIDED FOR REPLACING THE SEAT COVERS FOR VEHICLES EQUIPPED WITH SIDE AIRBAGS. *PE Read More »

    SEAT BELTS:FRONT:ANCHORAGE

    • TSB #BO02601

      Date Announced:
      OCT 19, 2001
      NHTSA ID:
      #627195

      SUBJECT REGARDING SHOULDER BELT ANCHOR TAPE SET. *YD Read More »

    STRUCTURE

    • TSB #284

      Date Announced:
      SEP 19, 2000
      NHTSA ID:
      #614970

      SUBJECT REGARDING PAINT COLOR INFORMATION. *TT Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #TC01030

      Date Announced:
      NOV 05, 2001
      NHTSA ID:
      #627375

      SUBJECT REGARDING FRONT SUB - FRAME ASSEMBLY. *YD Read More »

    STRUCTURE:BODY

    • TSB #01902

      Date Announced:
      NOV 28, 2002
      NHTSA ID:
      #10000428

      SUNVISOR LOOSE OR HAS DIFFICULTY HOLDING POSITION. *TT Read More »

    • TSB #TC01012

      Date Announced:
      MAR 26, 2001
      NHTSA ID:
      #619090

      TOYOTA WILL INITIATE A SPECIAL SERVICE CAMPAIGN TO INSPECT AND; IF NECESSARY, REPLACE THE FRONT SUB-FRAME ASSEMBLY IN 545 MODEL YEAR 2001 VEHICLES. *TT Read More »

    • TSB #010101

      Date Announced:
      JAN 01, 2001
      NHTSA ID:
      #619091

      TDN MAIL MESSAGE TO DEALERS REGARDING A SAFETY RECALL INVOLVING CERTAIN MODELYEAR 2001 VEHICLES TO INSPECT AND / OR REPLACE THE FRONT SUB-FRAME ASSEMBLY. Read More »

    • TSB #BO02800

      Date Announced:
      NOV 03, 2000
      NHTSA ID:
      #616095

      TECHNICAL SERVICE BULLETIN INTRODUCING A FIELD FIX FOR INCIDENTS OF MOISTURE AND ODORS PERMEATING INTO THE VEHICLE. THE QUARTER PANEL AIR DUCT FLAPS MAY HAVE BECOME LOOSE OR MISSING. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #02606

      Date Announced:
      DEC 06, 2006
      NHTSA ID:
      #10020869

      POWER SLIDING DOOR CABLE ADJUSTMENT PROCEDURE. *KB Read More »

    • TSB #BO01001

      Date Announced:
      SEP 09, 2002
      NHTSA ID:
      #635857

      SOME POWER SLIDING DOORS MAY BECOME INOPERATIVE, INTERMITTENTLY INOPERATIVE, DOES NOT CLOSE PROPERLY, OR RETURNS TO THE OPEN POSITION WHILE BEING CLOSED USING THE POWER SWITCH OR REMOTE CONTROL. Read More »

    • TSB #787

      Date Announced:
      DEC 03, 2001
      NHTSA ID:
      #629216

      SUBJECT REGARDING POWER SLIDING DOOR INOPERATIVE. *TT Read More »

    • TSB #BOO2801

      Date Announced:
      NOV 30, 2001
      NHTSA ID:
      #627417

      INFORMATION REGARDING POWER SLIDING DOOR INOPERATIVE. *YD Read More »

    • TSB #01201

      Date Announced:
      APR 06, 2001
      NHTSA ID:
      #10020871

      SLIDING DOOR DIAGNOSTIC TIPS. *KB Read More »

    • TSB #BO01001

      Date Announced:
      MAR 16, 2001
      NHTSA ID:
      #619100

      SUBJECT REGARDING POWER SLIDING DOOR DIAGNOSTIC PROCEDURE. *TT Read More »

    • TSB #412

      Date Announced:
      DEC 20, 2000
      NHTSA ID:
      #616089

      DUAL POWER SLIDING DOOR RE-INITIALIZING. *TT Read More »

    • TSB #BO03500

      Date Announced:
      DEC 15, 2000
      NHTSA ID:
      #616103

      ON SOME VEHICLES, THE DUAL POWER SLIDING DOOR SYSTEM MAY REQUIRE RE-INITIALIZING IF ONE OR BOTH POWER SLIDING DOORS BECOME INOPERATIVE, INTERMITTENTLY INOPERATIVE, DO NOT CLOSE PROPERLY, OR RETURN TO AN OPEN POSITION WHILE BEING CLOSED; ... Read More »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #TSB-0087-12

      Date Announced:
      JUN 13, 2012
      NHTSA ID:
      #10045140

      TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »

    TIRES:TEMPORARY/EMERGENCY SPARE TIRE

    • TSB #TC-11-003

      Date Announced:
      FEB 16, 2011
      NHTSA ID:
      #10038205

      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 »

    • TSB #PG00503

      Date Announced:
      AUG 19, 2003
      NHTSA ID:
      #10003563

      SPARE TIRE CARRIER OPERATION. VARIOUS MODLELS INCLUDING THE 2004 LANDCRUISER AND 4 RUNNER. *TT Read More »

    WHEELS

    • TSB #297

      Date Announced:
      SEP 25, 2000
      NHTSA ID:
      #614975

      BRIEF INFORMATION REGARDING THE AN UPCOMING BULLETIN INTRODUCING A NEW ACCESSORY ALLOW WHEEL FOR CERTAIN VEHICLES. *TT Read More »

    • TSB #AX00700

      Date Announced:
      SEP 22, 2000
      NHTSA ID:
      #618292

      THIS BULLETIN INTRODUCES A NEW ACCESSORY ALLOY WHEEL FOR CERTAIN VEHICLES. *JB Read More »

    SEATS

    • TSB #TSB-0122-11

      Date Announced:
      SEP 06, 2011
      NHTSA ID:
      #10042555

      TOYOTA: INFORMATION PROVIDED FOR REPLACING THE SEAT COVERS FOR VEHICLES EQUIPPED WITH SIDE AIRBAGS. *PE Read More »

    SEATS:FRONT ASSEMBLY:POWER ADJUST

    • TSB #01701

      Date Announced:
      MAY 25, 2001
      NHTSA ID:
      #10003275

      POWER SEAT MOTOR CABLE REPAIR TIP. *TT Read More »

    EQUIPMENT

    • TSB #T-TT-0381-16

      Date Announced:
      JAN 11, 2016
      NHTSA ID:
      #10096097

      TECH TIP: SOME CUSTOMERS MAY EXPERIENCE DIFFICULTY PROGRAMMING HOMELINK. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #00301

      Date Announced:
      APR 13, 2003
      NHTSA ID:
      #10001582

      POOR CONNECTION OF FLAT PANEL DISPLAY IN VEHICLE ENTERTAINMENT SYSTEM (VES). *TT Read More »

    • TSB #NV00201

      Date Announced:
      JAN 26, 2001
      NHTSA ID:
      #616665

      SOME VEHICLES WITH THE VEHICLE ENTERTAINMENT SYSTEM (VES) MAY BE AFFECTED BY A LOW FREQUENCY HUM NOISE WITH VES DISPLAY SET TO VES ON AND DISPLAY SET TO NIGHT MODE. *TT Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    UNKNOWN OR OTHER

    • TSB #EG01601

      Date Announced:
      DEC 07, 2001
      NHTSA ID:
      #628675

      SOME VEHICLES MAY EXHIBIT MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0773 (SHIFT SOLENOID E ELECTRICAL MALFUNCTION). *TT Read More »