Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,389 bulletins for HYUNDAI
21-01-038H
May 20, 2021
100000 POWER TRAIN
Certain 20-21MY Accent (HC) vehicles may experience an illuminated warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the TCU update, and, if necessary, replace the IVT (Intelligent Variable Transmission) to resolve
21-BD-006H
May 19, 2021
170000 LATCHES/LOCKS/LINKAGES
Certain Elantra (AD/ADa) and Tucson (TL) vehicles may experience an internal or external door handle being inoperative or requiring repeated attempts to open the door. If this condition occurs, replace the affected door latch. The warran
21-01-041H
May 18, 2021
060000 ENGINE AND ENGINE COOLING
This bulletin provides information related to the Engine Control Module (ECM) software update for 2020MY Elantra (AD/ADA) vehicles equipped with 2.0L engine to revise the logic for the DTCs listed below. ??A?A? P0068 - Manifold Pressure
21-BE-003H-1
May 14, 2021
010000 STEERING
The warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use, whichever occurs first. This warranty coverage applies to both the original and
21-01-039H
May 12, 2021
060000 ENGINE AND ENGINE COOLING
Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control Unit (TCU) update, and, if necessary, replace the IVT (Inte
21-01-023H-1
May 11, 2021
060000 ENGINE AND ENGINE COOLING
Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MI
21-BD-005H
May 10, 2021
170000 LATCHES/LOCKS/LINKAGES
The trunk latch base can be ordered separately from the trunk latch assembly. This bulletin describes the procedure to replace the trunk latch base.
21-HA-001H
May 10, 2021
110000 ELECTRICAL SYSTEM
Certain 2020MY Santa Fe vehicles (TMA) may experience air conditioning not blowing cold air from the vents after some period of normal operation. This condition may be caused by an out of specification Evaporator Temperature Sensor. Follo
21-BE-008H
May 5, 2021
110000 ELECTRICAL SYSTEM
Certain vehicles may experience 504 Time Out errors when using the Blue Link Mobile App. When asked to provide Modem Information (IMEI/USIM), the Head Unit (HU) displays all zeros. This bulletin describes the procedure to update the Head Un
21-BE-007H
Apr 21, 2021
120000 EXTERIOR LIGHTING
Some 2021 Elantra (CN7a) rear combination lamp turn signal light bulbs may prematurely become inoperative. This bulletin describes the procedure to replace the rear combination lamp turn signal light bulbs for both the right and left side.
21-BE-003H
Apr 13, 2021
010000 STEERING
The warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use, whichever occurs first. Refer to the warranty and service parts information outl
21-BR-004H
Apr 9, 2021
050000 PARKING BRAKE
This bulletin describes the procedure to update the EPB (Electronic Parking Brake) ECU to revise the logic of setting DTC C2416, a??Motor Short or Open a?? LH (EPB)a?? or C2417 a??Motor Short or Open a?? RH (EPB)a?? from vibrations while dr
21-01-026H
Apr 5, 2021
010000 STEERING
This bulletin describes the procedure to update the MDPS (Motor Driven Power Steering) ECU for loss of steering assist when the engine is started. DTCs C125901, a??Steering Angle Sensor Faila?? and C111201, a??Sensor Supply Voltage Errora??
21-EM-001H-1
Apr 2, 2021
060000 ENGINE AND ENGINE COOLING
This bulletin describes the procedure to inspect an engine exhibiting noise between the cylinder block and piston due to possible scuffing on one or more cylinder walls. Follow the procedure outlined in this bulletin to inspect and replace
21-01-027H
Mar 31, 2021
110000 ELECTRICAL SYSTEM
This service campaign provides information on how to set the maximum EV battery charging level to 80% in the Energy Information screen of the radio head display to prevent excessive battery heat during charging. Although outside charging is
21-01-025H
Mar 30, 2021
060000 ENGINE AND ENGINE COOLING
Consult the Hyundai Warranty Policy & Procedures and the below tables to determine New or Reman engine usage. Please note that a Reman engine may not be available for certain vehicle models/model years listed in this TSB.
21-EM-005H
Mar 30, 2021
060000 ENGINE AND ENGINE COOLING
The Powertrain warranty coverage for certain engine repairs and/or replacement where the engine damage, defect, or failure is related to connecting rod bearing wear, has been extended to 15 years or 150,000 miles from the date of original r
21-01-024H
Mar 30, 2021
060000 ENGINE AND ENGINE COOLING
Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326. Follow the procedure to inspect the vehicle and replace the engine and/or update the engine ECU software (if new ROM is available) based
21-01-013H
Mar 22, 2021
110000 ELECTRICAL SYSTEM
This bulletin describes the procedure to install a protection cover over the In-Cable Control Box (ICCB) to protect against drops, bumps, or shock.
21-GI-003H
Mar 19, 2021
110000 ELECTRICAL SYSTEM
This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2022MY Hyundai Tucson. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. The
21-01-019H
Mar 17, 2021
110000 ELECTRICAL SYSTEM
This bulletin provides information related to the VCULDC(Vehicle Control Unit & Low DCDC Converter) software update for KONA Electric(OS EV) vehicles. This update is also part of the high voltage battery monitoring logic improvement by opti
21-BE-006H
Mar 16, 2021
260000 FORWARD COLLISION AVOIDANCE
Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with the front multifunction camera may exhibit one or more of the following warnings on the instrument cluster; Lane Keep Assist System (LKAS), Front Collision Avoidance Assist
21-EE-001H
Mar 16, 2021
110000 ELECTRICAL SYSTEM
This Service Information bulletin provides the instructions on how to adjust the maximum EV battery charging threshold in the radio head unit.
21-BE-005H
Mar 16, 2021
110000 ELECTRICAL SYSTEM
Some 2020-2021 Santa Fe (TMa) and Palisade (LX2) may intermittently experience abnormal camera image display conditions on the instrument cluster when the turn signal is turned ON or the radio screen when transmission is in Reverse. The fol
21-01-003H
Mar 11, 2021
130000 VISIBILITY
This bulletin describes the procedure to replace the inside belt molding and attach pads to the side view mirror seal, side view mirror hole, and glass run on certain Palisade vehicles experiencing wind and/or whistling noise while driving.