Technical Service Bulletins (TSBs) for the 2003 Highlander 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:COLUMN

    SERVICE BRAKES, HYDRAULIC

    • TSB #4584B

      Date Announced:
      MAR 03, 2005
      NHTSA ID:
      #10015846

      '03 HIGHLANDER FRONT BRAKE REPAIR MANUAL CORRECTION. 00400-RM987-U2. *TT '02 HIGHLANDER. 00400-RM918-U2. *TT Read More »

    PARKING BRAKE

    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

    • TSB #SB-0015-11

      Date Announced:
      MAR 02, 2011
      NHTSA ID:
      #10037592

      TOYOTA: THERE MAY BE DAMAGED CYLINDER HEAD BOLTS THREADS. *RM 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 #04105

      Date Announced:
      SEP 07, 2005
      NHTSA ID:
      #10020868

      ECM CALIBRATION UPDATE. MIL ON DTC P0420 AND/OR P0430. *KB Read More »

    • TSB #01305

      Date Announced:
      MAR 24, 2005
      NHTSA ID:
      #10015494

      FUEL INJECTOR TICKING NOISE. UPDATE. *TT ORIGINAL. *TT Read More »

    • TSB #04004

      Date Announced:
      SEP 08, 2004
      NHTSA ID:
      #10010160

      ACCESSORY DRIVE BELT SQUEAL/ BELT TENSIONER RATTLE. *NM 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 #601

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10021263

      REPROGRAM THE ENGINE CONTROL MODULE (ECM). *KB Read More »

    POWER TRAIN

    • TSB #00805

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #10016636

      U140F TRANSMISSION SOLENOID IDENTIFICATION. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #00504

      Date Announced:
      AUG 26, 2004
      NHTSA ID:
      #10009397

      PROPER IDENTIFICATION OF THE 5 SOLENOIDS USED IN THE U240E/U241E AUTOMATIC TRANSAXLES. *TT Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #00103

      Date Announced:
      MAY 23, 2003
      NHTSA ID:
      #10002004

      RIGHT REAR AXLE SQUEAK NOISE. *TT *JB 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 #EL01203

      Date Announced:
      AUG 29, 2003
      NHTSA ID:
      #10003568

      MALFUNCTION INDICATOR LAMP ON CONDITION WITH A DIAGNOSTIC TROUBLE CODE B1140 OR B1141 STORED IN THE CENTER AIRBAG ECU MEMORY. *TT 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 »

    STRUCTURE:BODY

    STRUCTURE:BODY:DOOR

    • TSB #01605

      Date Announced:
      DEC 20, 2005
      NHTSA ID:
      #10018853

      FRONT DOOR OPENING WEATHERSTRIP BECOMES LOOSE OR COMES OFF EASILY. *TT Read More »

    • TSB #00205

      Date Announced:
      FEB 10, 2005
      NHTSA ID:
      #10015530

      WIND NOISE COMING FROM BOTH THE FRONT AND REAR DOOR WINDOW GLASS. *TT Read More »

    STRUCTURE:BODY:HOOD

    • TSB #01104

      Date Announced:
      JUN 07, 2004
      NHTSA ID:
      #10008420

      ENGINE HOOD RELEASE CABLE CABLE SPRING IMPROVEMENT. *MJ Read More »

    STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS

    • TSB #00503

      Date Announced:
      NOV 04, 2003
      NHTSA ID:
      #10005835

      ACCESSORY HOOD PROTECTOR WITH WEATHERSTRIP. REVISED. *TT 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 »

    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 »

    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

    • TSB #00302

      Date Announced:
      DEC 11, 2002
      NHTSA ID:
      #10000654

      DIAGNOSTIC TESTER IMMOBILIZER FUNCTIONS. *TT Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #01105

      Date Announced:
      JUN 03, 2005
      NHTSA ID:
      #10015482

      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 »

    • TSB #00304

      Date Announced:
      MAR 01, 2004
      NHTSA ID:
      #10006608

      A/C COMPRESSOR INSTALLATION PROCEDURE. *MR Read More »

    UNKNOWN OR OTHER

    • TSB #00207

      Date Announced:
      APR 26, 2007
      NHTSA ID:
      #10022143

      TECHSTREAM ECU FLASH REPROGRAMMING PROCEDURE. *KB Read More »