Technical Service Bulletins (TSBs) for the 1998 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.

    SUSPENSION

    • TSB #20-SS-001H

      Date Announced:
      FEB 05, 2020
      NHTSA ID:
      #10172142

      This bulletin describes the requirements for all wheel alignment and/or vehicle tracking claims and best practices when diagnosing and conducting alignment-related repairs for all models and model years. Read More »

    BRAKES (PWS)

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #20-BR-002H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10183963

      This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #9850002

      Date Announced:
      AUG 18, 1998
      NHTSA ID:
      #601634

      SPECIFICATION ON REAR BRAKE DISC MINIMUM THICKNESS. *YC Read More »

    SERVICE BRAKES, AIR:ANTILOCK

    ENGINE AND ENGINE COOLING

    • TSB #22-EM-010H

      Date Announced:
      JUL 28, 2022
      NHTSA ID:
      #10217251

      Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement. Read More »

    • TSB #21-EM-004H

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190044

      This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required ... Read More »

    • TSB #21-EM-003H

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10189989

      This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #0236030

      Date Announced:
      DEC 01, 2002
      NHTSA ID:
      #10000710

      OBD-II READINESS TEST DRIVE CYCLE. *TT Read More »

    • TSB #97110120014

      Date Announced:
      NOV 01, 1997
      NHTSA ID:
      #54161

      PROVIDED PROCEDURES FOR THE INSTALLATION OF A BLOCK HEATER. *YC Read More »

    • TSB #97100120012

      Date Announced:
      OCT 01, 1997
      NHTSA ID:
      #54113

      SHOP MANUAL CORRECTION ON CYLINDER HEAD BOLT TORQUE SPECIFICATION. *YC Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #133

      Date Announced:
      MAY 01, 2003
      NHTSA ID:
      #10003225

      PRE-CONDITIONS FOR READINESS MONITORS. *TT Read More »

    • TSB #9830004

      Date Announced:
      DEC 01, 1998
      NHTSA ID:
      #604012

      SUBJECT ON EVAPORATIVE EMISSION CODES DIAGNOSIS ON SOME VEHICLES. *YC 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 »

    • TSB #117

      Date Announced:
      OCT 01, 2001
      NHTSA ID:
      #631997

      INFORMATION ON EXHAUST GAS RECIRCULATION. *SLC Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #9836009

      Date Announced:
      DEC 01, 1998
      NHTSA ID:
      #604011

      INFORMATION ON FUEL INJECTOR CONFIGURATION. *YC Read More »

    POWER TRAIN

    • TSB #21-AT-006H

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10196546

      Hyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the vehicle??A?A?s owner??A?A?s manual. ??A?A? Use of other ATF may result in improper shift quality or other drivability conditions. Read More »

    • TSB #20-AT-016H

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174807

      The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: 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 #9840003

      Date Announced:
      JUN 01, 1998
      NHTSA ID:
      #601623

      VEHICLES MAY EXHIBIT A HARSH 3-2 DOWNSHIFT. *YC Read More »

    ELECTRICAL SYSTEM

    • TSB #20-EE-003H

      Date Announced:
      APR 23, 2020
      NHTSA ID:
      #10174808

      This bulletin provides information on identifying dealer stock vehicles with either: a?? A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. a?? A 30 Day alert - vehicle has not started and reported an SOC in 30 days. Read More »

    • TSB #20-BE-001H

      Date Announced:
      JAN 16, 2020
      NHTSA ID:
      #10170883

      This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common Android Auto and Apple CarPlay connection conditions. 3. Read More »

    ELECTRICAL SYSTEM:WIRING

    EXTERIOR LIGHTING

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

      This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    VISIBILITY

    • TSB #23-BD-002H

      Date Announced:
      JAN 30, 2023
      NHTSA ID:
      #10230904

      This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    AIR BAGS

    STRUCTURE:FRAME AND MEMBERS

    • TSB #9880005

      Date Announced:
      APR 01, 1998
      NHTSA ID:
      #601628

      VEHICLES MAY EXPERIENCE A WIND NOISE IN THE AREA AROUND THE RIGHT Read More »

    TIRES

    • TSB #22-GI-006H

      Date Announced:
      JUL 14, 2022
      NHTSA ID:
      #10217258

      Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail ... Read More »

    • TSB #20-SS-004H

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10183960

      This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. Read More »

    • TSB #20-SS-002H(1)

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176182

      This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance. Read More »

    WHEELS

    • TSB #20-SS-004H

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10183960

      This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. Read More »

    • TSB #20-SS-002H(1)

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176182

      This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance. Read More »

    LANE DEPARTURE

    • TSB #19-BE-011H-1

      Date Announced:
      NOV 04, 2019
      NHTSA ID:
      #10169370

      The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave radar sensors attached in the rear bumper. Read More »

    BACK OVER PREVENTION

    • TSB #19-BE-011H-1

      Date Announced:
      NOV 04, 2019
      NHTSA ID:
      #10169370

      The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave radar sensors attached in the rear bumper. Read More »

    EQUIPMENT

    • TSB #21-EM-004H

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190044

      This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required ... Read More »

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #21-EM-003H

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10189989

      This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. Read More »

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

      This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    • TSB #20-BD-007H-1

      Date Announced:
      MAY 01, 2020
      NHTSA ID:
      #10176178

      This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products. Read More »

    • TSB #20-EE-003H

      Date Announced:
      APR 23, 2020
      NHTSA ID:
      #10174808

      This bulletin provides information on identifying dealer stock vehicles with either: a?? A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. a?? A 30 Day alert - vehicle has not started and reported an SOC in 30 days. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #20-AT-016H

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174807

      The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

      This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    • TSB #20-AT-016H

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10174807

      The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions: Read More »

    • TSB #20-BD-007H

      Date Announced:
      MAR 23, 2020
      NHTSA ID:
      #10173546

      This bulletin describes the general guidelines to disinfect and protect vehicle interior surfaces using certain safe chemical products. Read More »

    • TSB #19-GI-006H

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10167253

      This bulletin provides instruction detailing the proper methodology for scanning and uploading captured GDS data files to the Techline Repository. Read More »

    UNKNOWN OR OTHER

    • TSB #0290009

      Date Announced:
      JUN 01, 2002
      NHTSA ID:
      #633884

      SUBJECT REGARDING DIAGNOSTIC GUIDE FOR CLIFFORD AND DEI SECURITY SYSTEM. *JG Read More »

    • TSB #9880007

      Date Announced:
      JUN 01, 1998
      NHTSA ID:
      #601621

      INSTALLATION PROCEDURES ON WOOD INTERIOR TRIM. *YC Read More »