Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,389 bulletins for HYUNDAI
23-01-051H-1
Jun 27, 2023
100000 POWER TRAIN
This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem: i?? a??Refill Inverter Coolanta?? warning light displayed on the cluster i?? No DTCa??s present i?? No
23-01-039H
Jun 27, 2023
050000 PARKING BRAKE
This bulletin applies the following continuous improvements from a Vehicle Control Unit (VCU) Software Update. An a??Ownera??s Manual Supplementa?? leaflet is to be provided to 2022MY vehicle customers to explain the change it makes to the
23-01-017H-1
Jun 27, 2023
100000 POWER TRAIN
This bulletin provides the information to inspect and add the Battery Conditioning function as necessary. Some late 2022MY vehicles may already have the function. The Battery Conditioning function optimizes the DC charging performance of th
23-01-055H
Jun 15, 2023
010000 STEERING
Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai vehic
23-HC-001H
Jun 9, 2023
100000 POWER TRAIN
On certain Sonata hybrid (YF HEV) vehicles, the HEV safety plug or power relay assembly (PRA) may cause the following symptoms and one or more current related DTCs. Follow the Service Procedure before diagnosing the hybrid battery. Please r
23-FL-002H-1
Jun 9, 2023
060000 ENGINE AND ENGINE COOLING
This bulletin provides the diagnostic procedure for the GDI injector(s) in certain 21-23MY Sonata, 21-22MY Santa Fe, certain 22MY Santa Cruz, and certain 21-23MY Tucson equipped with 2.5L GDI engines with one or more misfire DTC(s) due to i
23-01-052H
Jun 8, 2023
100000 POWER TRAIN
This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem: a?? a??Refill Inverter Coolanta?? warning light displayed on the cluster a?? No DTCa??s present a?? Nor
23-01-051H
Jun 8, 2023
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem: i?? a??Refill Inverter Coolanta?? warning light displayed on the cluster i?? No DTCa??s present i?? No
23-01-049H
Jun 8, 2023
060000 ENGINE AND ENGINE COOLING
This bulletin provides instructions to correct a condition with BSC-1 blue coolant flow restriction by debris causing abnormal high EWP (electric water pump) speed in certain 2020-21MY Ioniq Electric (AE EV) and 2019-22 Kona Electric (OS EV
23-01-014H-5
Jun 8, 2023
100000 POWER TRAIN
Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operati
23-01-048H
Jun 5, 2023
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
This bulletin provides information related to the replacement of the Ownera??s Manual with a new version which contains correct information regarding the coolant used in the cooling system.
23-01-050H
Jun 1, 2023
220000 SEATS
This bulletin provides information to inspect the front seat air ducts for damage and replace them if needed. Certain 2023MY Ioniq 5 (NE1) vehicles may exhibit reduced performance of the ventilated front seats due to damaged air ducts.
23-01-036H-1
Jun 1, 2023
050000 PARKING BRAKE
Certain Hyundai Elantra, Sonata, and Santa Fe vehicles may exhibit the Electronic Parking Brake (EPB) warning light on due to brake fluid entering the HECU (Hydraulic Electronic Control Unit) electrical connector. DTC C1501 (EPB Switch Fail
23-01-046H
May 25, 2023
060000 ENGINE AND ENGINE COOLING
Certain 2022MY Santa Fe (TMa) 2.5L vehicles equipped with an 8-speed transmission will require an update to the ECU and TCU software to correct the ROM IDs and TCU software to optimize shift quality when accelerating.
23-AT-005H
May 18, 2023
100000 POWER TRAIN
This bulletin provides the procedure to update the TCU to revise the logic for P0741 (Torque converter clutch circuit).
23-AT-002H
May 10, 2023
100000 POWER TRAIN
This bulletin provides service procedures to prevent possible moisture intrusion of the HP EOP (High Flow Electric Oil Pump) connector when servicing the 8-speed wet dual clutch transmission (8WDCT). If moisture enters the HF EOP connector,
23-AT-004H
May 9, 2023
100000 POWER TRAIN
This TSB applies only if Recall 236 or Service Campaign T8N has been performed and the 8 speed wet dual clutch transmission (8WDCT) replacement is necessary related due to high pressure electric oil pump (HP EOP) DTCa??s P1C2D03 (HP EOP Mot
23-01-045H
May 5, 2023
060000 ENGINE AND ENGINE COOLING
Certain 2023MY Palisade (LX2) vehicles may have been produced with the incorrect size water outlet hose clamp during assembly. This can result in a coolant leak during engine operation. Follow the procedure outlined in this TSB to inspect
23-BD-009H
May 4, 2023
160000 STRUCTURE
This bulletin provides repair information for a non-glossy front door pull handle that exhibits paint peeling on certain 2022 a?? 2023MY Tucson (NX4A) and Santa Cruz (NXT) vehicles. If a vehicle exhibits this paint peeling condition, replac
23-01-036H
May 4, 2023
050000 PARKING BRAKE
Some Elantra (CN7A), Sonata (DN8A) and Santa Fe (TMA) vehicles may exhibit the Electronic Parking Brake (EPB) warning light on due to brake fluid entering the HECU electrical connector. DTC C1501 (EPB Switch Failure) may be present, but E
23-01-043H
May 3, 2023
110000 ELECTRICAL SYSTEM
Some 2023 IONIQ 6 (CE1) vehicles may experience intermittent operation of the Smart Approach Unlock function. This bulletin provides the service procedure to update the IBU (Integrated Body Control Unit) software to resolve the condition s
23-01-042H
May 1, 2023
060000 ENGINE AND ENGINE COOLING
Certain Palisade (LX2) and Santa Fe Plug-In Hybrid (TM PHEV) vehicles may have been produced with engine mounting support bracket fasteners that were not tightened to torque specification. Follow the procedure outlined in this bulletin to r
23-01-040H
Apr 28, 2023
090000 FUEL SYSTEM, OTHER
Some NEXO (FE) vehicles may exhibit charging interruptions during hydrogen charging due to sensitive leak detection logic diagnostic conditions. This bulletin outlines the procedure to update the HMU controller software and replace the PRV
23-01-041H
Apr 28, 2023
081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
Certain 2019-2021MY NEXO (FE) vehicles may exhibit a micro-leak in the inlet fitting valve area caused by a part that is out of specification. This bulletin outlines the procedure to replace each Inlet Fitting Valve on all three storage tan
23-01-037H
Apr 25, 2023
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
Certain 15-16MY Hyundai Genesis (DH) vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, an auxiliary canister assembly between the canister and Canister Close