Technical Service Bulletins (TSBs) for the 2004 Sonata are official communications between Hyundai & 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.

    SERVICE BRAKES, HYDRAULIC

    • TSB #0450001

      Date Announced:
      MAY 01, 2004
      NHTSA ID:
      #10007543

      FRONT BRAKE DISC MINIMUM THICKNESS SHOP MANUAL CORRECTION. *MR Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #0650003

      Date Announced:
      MAR 01, 2006
      NHTSA ID:
      #10019637

      ABS PUMP SELF-CHECK NOISE. *TT Read More »

    • TSB #0550004

      Date Announced:
      JUN 01, 2005
      NHTSA ID:
      #10015864

      ABS PUMP SELF CHECK NOISE. ALSO INCLUDED: 2003-2005 MODEL XG AND 1999, 2000, 2001, 2003, 2004 AND 2005 MODEL SANTA FE. *SC Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT

    • TSB #0450006

      Date Announced:
      MAY 01, 2004
      NHTSA ID:
      #10009162

      ANTI-LOCK BRAKING SYSTEM (ABS)TCS ACTIVATION MAY RESULT FROM UNDERINFLATED COMPACT SPARE TIRE. *TT Read More »

    SERVICE BRAKES, AIR:ANTILOCK

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #TSB-09-AT-018

      Date Announced:
      OCT 01, 2009
      NHTSA ID:
      #10032908

      HYUNDAI: ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770. Read More »

    • TSB #TSB-09-AT-013

      Date Announced:
      JUL 01, 2009
      NHTSA ID:
      #10030984

      HYUNDAI: AUTOMATIC TRANSAXLE RANGE SWITCH DIAGNOSTIC TROUBLE CODES P0705 (RANGE SWITCH SIGNAL PROBLEMS), P0707 (RANGE SWITCH OPEN CIRCUIT), AND P0708 (RANGE SWITCH SHORT CIRCUIT OR MULTIPLE INPUTS). Read More »

    • TSB #0540009

      Date Announced:
      JUL 01, 2005
      NHTSA ID:
      #10016160

      2003-2004 SONATA 2.4L/2.7L TCM REPROGRAMMING INSTRUCTIONS FOR DRIVELINE BUMP BETWEEN 2-10 MPH. *SC Read More »

    • TSB #0436015

      Date Announced:
      SEP 01, 2004
      NHTSA ID:
      #10010302

      ECM REPROGRAMMING FOR INTERMITTENT HESITATION. *TT Read More »

    • TSB #0436009

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10008730

      CHECK ENGINE LIGHT ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0133/P0153. ENGINE CONTROL MODULE (ECM) REPROGRAMMING. *TT Read More »

    • TSB #0436006

      Date Announced:
      JUN 01, 2004
      NHTSA ID:
      #10009152

      UNSTABLE IDLE (SIMPLE DIAGNOSIS PROCEDURE FOR INTERMITTENTLY STUCK CLOSED EGR SOLENOID VALVE). *TT Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

    • TSB #0636006

      Date Announced:
      DEC 01, 2006
      NHTSA ID:
      #10020878

      EXHAUST GAS RECIRCULATION (EGR) SYSTEM DIAGNOSIS. *KB Read More »

    POWER TRAIN

    • TSB #04400062

      Date Announced:
      DEC 01, 2004
      NHTSA ID:
      #10011795

      2-3 SHIFT FLARE IMPROVEMENT TCM REPROGRAMMING INSTRUCTIONS. *NM Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #5NP-S9D9P-10

      Date Announced:
      SEP 02, 2016
      NHTSA ID:
      #10082725

      THIS BULLETIN PROVIDES INFORMATION ON COMPONENTS, ATTRIBUTES, AND PRECAUTIONS OF THE 7-SPEED DRY-TYPE DUAL CLUTCH TRANSMISSION (DCT). Read More »

    • TSB #TSB-09-AT-013

      Date Announced:
      JUL 01, 2009
      NHTSA ID:
      #10030984

      HYUNDAI: AUTOMATIC TRANSAXLE RANGE SWITCH DIAGNOSTIC TROUBLE CODES P0705 (RANGE SWITCH SIGNAL PROBLEMS), P0707 (RANGE SWITCH OPEN CIRCUIT), AND P0708 (RANGE SWITCH SHORT CIRCUIT OR MULTIPLE INPUTS). Read More »

    • TSB #0540008

      Date Announced:
      DEC 01, 2005
      NHTSA ID:
      #10015866

      AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES LIST. *SC Read More »

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

    • TSB #5NP-B6E2P-10

      Date Announced:
      AUG 09, 2016
      NHTSA ID:
      #10082455

      "THE PCM OR TCM CONTAINS LOGIC TO ADJUST SOLENOID DUTY AND LINE PRESSURE AS NEEDED TO COMPENSATE FOR NORMAL CLUTCH WEAR OVER THE LIFE OF THE TRANSAXLE. Read More »

    • TSB #TSB-09-AT-018

      Date Announced:
      OCT 01, 2009
      NHTSA ID:
      #10032908

      HYUNDAI: ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770. Read More »

    POWER TRAIN:AXLE ASSEMBLY

    • TSB #5NP-B6E2P-10

      Date Announced:
      AUG 09, 2016
      NHTSA ID:
      #10082455

      "THE PCM OR TCM CONTAINS LOGIC TO ADJUST SOLENOID DUTY AND LINE PRESSURE AS NEEDED TO COMPENSATE FOR NORMAL CLUTCH WEAR OVER THE LIFE OF THE TRANSAXLE. Read More »

    • TSB #0640018

      Date Announced:
      DEC 01, 2006
      NHTSA ID:
      #10020912

      AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES (DTC) LIST. *KB Read More »

    • TSB #158

      Date Announced:
      NOV 01, 2005
      NHTSA ID:
      #10018734

      REPROGRAMS ARE AVAILABLE FOR AUTOMATIC TRANSAXLE DRIVEABILITY ISSUES. TECHNET TIMES. HYUNDAI. *TT Read More »

    ELECTRICAL SYSTEM

    • TSB #01011901

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #10018184

      AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES LIST. *NM Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER

    • TSB #0490011

      Date Announced:
      AUG 01, 2004
      NHTSA ID:
      #10009778

      WINDSHIELD WIPER ARM MOUNTING NUT TIGHTENING TORQUE SPECIFICATION. *TT Read More »

    STRUCTURE:BODY

    • TSB #0380002

      Date Announced:
      MAY 01, 2005
      NHTSA ID:
      #10003320

      WATER LEAK BETWEEN THE TAILLIGHT LENSES AND THE BODY, RESULTING IN A LEAK INTO THE TRUNK AREA. *TT Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #0497002

      Date Announced:
      AUG 01, 2004
      NHTSA ID:
      #10009777

      FD46XG PAG OIL SPECIFICATIONS FOR AIR CONDITIONING COMPONENT REPLACEMENT. *TT Read More »

    • TSB #0804

      Date Announced:
      AUG 01, 2004
      NHTSA ID:
      #10014323

      FD46XG POLY ALKYLEN GLYCOL (PAG) OIL SPECIFICATIONS FOR AIR CONDITIONING COMPONENT REPLACEMENT. *NM Read More »