Technical Service Bulletins (TSBs) for the 2003 Wrangler are official communications between Jeep & 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

    SUSPENSION:FRONT:CONTROL ARM:UPPER BALL JOINT

    • TSB #0200102

      Date Announced:
      AUG 20, 2004
      NHTSA ID:
      #633476

      SPECIAL BALL JOINT, ALLOWS ADJUSTMENT TO CASTER AND CAMBER ANGLES. *SLC THIS BULLETIN REPLACES 02-001-02 DATED 06/10/02. ALSO TO INCLUDE 2005 JEEP WRANGLER. *TT Read More »

    SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)

    • TSB #03011

      Date Announced:
      MAY 02, 2003
      NHTSA ID:
      #10003279

      ANTILOCK BRAKE SYSTEM (ABS) G-SWITCH HARNESS CONNECTOR MAY BE INCORRECTLY WIRED. *TT Read More »

    ENGINE AND ENGINE COOLING

    • TSB #R2118796A

      Date Announced:
      FEB 26, 2016
      NHTSA ID:
      #10191460

      Valve Body. These may cause over drive cycling. Read More »

    • TSB #9003215

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10223602

      Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. Read More »

    • TSB #9003215

      Date Announced:
      FEB 12, 2015
      NHTSA ID:
      #10229181

      Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #0901004

      Date Announced:
      OCT 01, 2004
      NHTSA ID:
      #10006452

      DIRT AND DEBRIS ACCUMULATION AT REAR MAIN SEAL. *TT Read More »

    • TSB #0900704

      Date Announced:
      MAR 02, 2004
      NHTSA ID:
      #10006455

      IRREGULAR ENGINE SNAPPING SOUND. *TT Read More »

    • TSB #1803103

      Date Announced:
      SEP 05, 2003
      NHTSA ID:
      #10003986

      4.0L ROUGH ENGINE IDLE AFTER RESTART FOLLOWING A HOT SOAK. *TT Read More »

    • TSB #0900303

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10003538

      4.0L MULTIPLE CYLINDER MISFIRE. *TT Read More »

    • TSB #02023

      Date Announced:
      DEC 06, 2002
      NHTSA ID:
      #10000832

      4.0L CRANKSHAFT BURR. *TT Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #02011

      Date Announced:
      AUG 05, 2002
      NHTSA ID:
      #635703

      THIS RAPID RESPONSE STATES THAT 403 SUSPECT VEHICLES MAY HAVE TWO ENGINE ELECTRICAL HARNESS FUEL INJECTOR CONNECTORS THAT MAY BE CONNECTED TO THE WRONG INJECTOR. *TT Read More »

    POWER TRAIN

    • TSB #10023

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10009243

      DOWEL PIN HAS BEEN ADDED TO THE NV241 OUTPUT SHAFT TO MATE WITH A NOTCH ADDED TO THE VEHICLE SPEED SENSOR TONE WHEEL. SERVICE INFORMATION TUNEUPS. *TT Read More »

    POWER TRAIN:CLUTCH ASSEMBLY

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #02017A

      Date Announced:
      OCT 17, 2002
      NHTSA ID:
      #10000326

      NV3550 MANUAL TRANSMISSION MAY HAVE SUSPECT THIRD GEAR WELD. THIS SUPPLEMENT REPLACES 02-017 DATED SEPTEMBER 23, 2002. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #2100903

      Date Announced:
      OCT 02, 2005
      NHTSA ID:
      #10003524

      AUTOMATIC TRANSMISSION DIAGNOSTIC TEARDOWN PROCEDURE. VARIOUS MODELS INCLUDING THE 2004 RAM TRUCK, DURANGO, SEBRING CONVERTIBLE, CHEROKEE, VISION, NEON, AND VOYAGER. *TT *SC Read More »

    • TSB #2100405

      Date Announced:
      JAN 22, 2005
      NHTSA ID:
      #10012343

      TRANSMISSION DELAY ENGAGEMENT. *EH Read More »

    • TSB #10182004

      Date Announced:
      OCT 18, 2004
      NHTSA ID:
      #10013991

      AFTER INSTALLING THE TRANSMISSION APPLY RTV TO THE ADAPTER SLOT. *EH Read More »

    • TSB #2100503

      Date Announced:
      MAY 11, 2004
      NHTSA ID:
      #10002045

      DELAYED OR TEMPORARY LOSS OF TRANSMISSION ENGAGEMENT AFTER INITIAL START UP ON VARIOUS MODELS INCLUDING THE 2004 PACIFICA, SEBRING CONVERTIBLE, SEBRING SEDAN, INTREPID AND 2003 SX2.0. Read More »

    • TSB #2100603A

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10003522

      TRANSMISSION HARSH 4-3 DOWNSHIFT. *TT Read More »

    • TSB #2100703

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10003523

      NEW FASTENERS TO PREVENT POSSIBLE 42RLE TRANSMISSION FLUID WEEPAGE. *TT Read More »

    • TSB #2100503A

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10003550

      DELAYED OR TEMPORARY LOSS OF TRANSMISSION ENGAGEMENT AFTER INITIAL START UP ON VARIOUS MODELS INCLUDING THE 2004 PACIFICA, SEBRING CONVERTIBLE, SEBRING SEDAN, INTREPID AND 2003 SX2.0. Read More »

    • TSB #2100603

      Date Announced:
      JUN 20, 2003
      NHTSA ID:
      #10002046

      TRANSMISSION HARSH 4-3 DOWNSHIFT ON VARIOUS MODELS INCLUDING THE 2004 PACIFICA, SEBRING, INTREPID AND 2003 SX2.0. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #0801505

      Date Announced:
      MAR 02, 2005
      NHTSA ID:
      #10013731

      POWERTRAIN CONTROL MODULE INITIALIZATION. *SC Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #2101005

      Date Announced:
      APR 23, 2005
      NHTSA ID:
      #10015064

      SPARK KNOCK OR POWERTRAIN RATTLE-LIKE SOUND FROM TRANSFER CASE SHIFTER AREA. *TT Read More »

    • TSB #2100304

      Date Announced:
      MAR 09, 2004
      NHTSA ID:
      #10006446

      NV-241 TRANSFER CASE FLUID SEEPAGE FROM AREA OF REAR OUTPUT SHAFT RETAINER. *TT Read More »

    ELECTRICAL SYSTEM

    • TSB #S2025000005

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10223525

      Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set Read More »

    • TSB #08-049-20

      Date Announced:
      APR 22, 2020
      NHTSA ID:
      #10175735

      Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are ... Read More »

    • TSB #2100905

      Date Announced:
      MAR 22, 2005
      NHTSA ID:
      #10013708

      MIL (MALFUNCTION INDICATOR LAMP) ILLUMINATION FOR DTC'S (DIAGNOSTIC TROUBLE CODES) P0750, P0755, P0760, P0765, P0846, P0871 OR P0841. 2004-2005 JEEP CHEROKEE AND 2005 CHRYSLER 300/MAGNUM *SC Read More »

    • TSB #2100804

      Date Announced:
      OCT 16, 2004
      NHTSA ID:
      #10008383

      MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION -DIAGNOSTIC TROUBLE CODE (DTC) P1776 SOLENOID SWITCH VALVE LATCHED IN LR POSITION. *MJ THIS BULLETIN REPLACES 21-008-04 DATED JUNE 1, 2004. *TT Read More »

    • TSB #0803403

      Date Announced:
      MAR 02, 2004
      NHTSA ID:
      #10007592

      NEW SPARK PLUG FOR 2.4L ENGINE. *MJ Read More »

    • TSB #0802703

      Date Announced:
      SEP 12, 2003
      NHTSA ID:
      #10003983

      CLUTCH PEDAL POSITION SWITCH MAKES CLICK-LIKE SOUND WHEN CLUTCH PEDAL IS DEPRESSED. *TT Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #9004275

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10221686

      KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. Read More »

    • TSB #9004275

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10229256

      KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. Read More »

    STRUCTURE

    • TSB #23-015-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175743

      Disinfectant Solution Recommended for COVID-19 Read More »

    • TSB #31-006-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169245

      Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage. Read More »

    • TSB #31-005-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169249

      Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts. Read More »

    • TSB #3100619

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220097

      Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage. Read More »

    • TSB #3100519

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220101

      Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts. Read More »

    • TSB #3100319

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220099

      Use of Salvage/Recycled Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of recycled or salvage parts. Read More »

    • TSB #9002849

      Date Announced:
      SEP 03, 2014
      NHTSA ID:
      #10220995

      Part Description: Insulator on Lever Assy Manual Valve - Valve Body - RWD Transmission Issue Description: The manual valve insulator, attaching rivet and instruction sheet are now available as a kit. Read More »

    STRUCTURE:BODY

    • TSB #2301006

      Date Announced:
      FEB 15, 2006
      NHTSA ID:
      #10019535

      PRIMARY DOOR WEATHERSTRIP WATER LEAK AT A-PILLAR BELT LINE. *TT Read More »

    • TSB #2300504

      Date Announced:
      MAR 02, 2004
      NHTSA ID:
      #10007314

      SOFT TOP ZIPPER CLEANER AND LUBRICANT - FOR DIFFICULT TO OPERATE WINDOW ZIPPERS. *TT Read More »

    WHEELS

    • TSB #9003192

      Date Announced:
      DEC 17, 2014
      NHTSA ID:
      #10229877

      Part Description: wheel hub cap Issue Description: This hubcap is installed directly to the wheel using screws; PN 00154236. This part is not currently listed in the catalog Read More »

    EQUIPMENT

    • TSB #23-015-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10175743

      Disinfectant Solution Recommended for COVID-19 Read More »

    • TSB #08-049-20

      Date Announced:
      APR 22, 2020
      NHTSA ID:
      #10175735

      Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are ... Read More »

    • TSB #D-20-02 Rev. A

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10175510

      DIPAP Requirements - Addition of Jeep Wrangler (JL/JK) and Jeep Gladiator (JT) Hard Top and Targa Top Panel Replacements - All Dealers (Rev. A) Read More »

    • TSB #31-003-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169247

      Use of Salvage/Recycled Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of recycled or salvage parts. Read More »

    • TSB #31-005-19

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10169249

      Use of Aftermarket Parts This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the use of aftermarket parts. Read More »

    • TSB #3100619

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10220097

      Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage. Read More »

    • TSB #9002849

      Date Announced:
      SEP 03, 2014
      NHTSA ID:
      #10220995

      Part Description: Insulator on Lever Assy Manual Valve - Valve Body - RWD Transmission Issue Description: The manual valve insulator, attaching rivet and instruction sheet are now available as a kit. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #9002519

      Date Announced:
      MAR 20, 2013
      NHTSA ID:
      #10129008

      82212076, 82203694 - Fabric Cleaner This "fabric cleaner" is not intended for sale in California, the otc states (Connecticut, Delaware, Massachusetts, Maine, New Hampshire, New Jersey, New York, Pennsylvania, Virginia, and Washington ... Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #2401305

      Date Announced:
      AUG 04, 2005
      NHTSA ID:
      #10016603

      AIR CONDITIONING (A/C) COOLING COIL ODOR. *TT Read More »

    • TSB #2400703

      Date Announced:
      AUG 15, 2003
      NHTSA ID:
      #10003527

      HVAC DRIVE WATER LEAKS UNDER PASSENGER SIDE FRONT CARPET. *TT Read More »

    UNKNOWN OR OTHER