2023 Hyundai IONIQ 6 service bulletins & manufacturer communications
34 manufacturer communications are on file with NHTSA for the 2023 Hyundai IONIQ 6. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 20Warranty extension 8Service campaign 6
- Certain 2022 – 2024 model year IONIQ 5, 2024 model year IONIQ 5 Robotaxi, and 2023 – 2025 model year IONIQ 6 vehicles may require a replacement of the Integrated Charging Control U…Z14 OL · Warranty extension · Electrical System · issued Jun 25, 2026
- This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depe…26-GI-002H TSB · Technical service bulletin · Electrical System · issued May 27, 2026
- Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date…26-EV-004H DCS · Warranty extension · Electrical System · issued May 14, 2026
- Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date…26-EV-004H DN · Warranty extension · Electrical System · issued May 13, 2026
- Hyundai is extending the warranty coverage for the Integrated Charging Control Unit (ICCU) and ICCU fuse to 15 years/180,000 miles from the date of original retail delivery or date…26-EV-004H TSB · Warranty extension · Electrical System · issued May 12, 2026
- The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province De…DTN DL · Technical service bulletin · Air Bags · issued Apr 10, 2026
- The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin …DTN DCS · Technical service bulletin · Air Bags · issued Apr 10, 2026
- Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cas…26-AD-001H TSB · Technical service bulletin · Forward Collision Avoidance · issued Feb 25, 2026
- Certain 2023 – 2025 model year IONIQ 6 vehicles may experience an inoperable horn that may be caused by water intrusion through the ventilation hole. At Hyundai, we are committed t…Z13 OL · Warranty extension · Unknown OR Other · issued Feb 6, 2026
- Certain IONIQ 6 (CE EV) vehicles may have an inoperable horn that may be caused by water intrusion through the ventilation hole. Hyundai is extending the warranty coverage for the …25-BE-022H DCS · Warranty extension · Unknown OR Other · issued Dec 13, 2025
- Certain IONIQ 6 (CE EV) vehicles may have an inoperable horn that may be caused by water intrusion through the ventilation hole. Hyundai is extending the warranty coverage for the …25-BE-022H TSB · Warranty extension · Unknown OR Other · issued Dec 12, 2025
- Certain IONIQ 6 (CE EV) vehicles may have an inoperable horn that may be caused by water intrusion through the ventilation hole. Hyundai is extending the warranty coverage for the …25-BE-022H DN · Warranty extension · Unknown OR Other · issued Dec 11, 2025
- This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This …25-BD-012H TSB · Technical service bulletin · Exterior Lighting · issued Nov 6, 2025
- This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and …25-BE-020H TSB · Technical service bulletin · Electrical System · issued Sep 30, 2025
- Certain IONIQ 5 (NE EV), IONIQ 6 (CE EV), and IONIQ 5 N (NE EV N) vehicles may have missing Inlet 5-Pin Combo DC insulation caps (DC pin caps) which may lead to damage to the charg…25-EV-003H TSB · Technical service bulletin · Fuel/propulsion System · issued Jul 26, 2025
- This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and …25-BE-002H TSB · Technical service bulletin · Electrical System · issued May 16, 2025
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s comm…25-01-024H-1 TSB · Service campaign · Electrical System · issued May 8, 2025
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's comm…25-01-024H EM · Service campaign · Electrical System · issued Apr 7, 2025
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s comm…25-01-024H TSB · Service campaign · Electrical System · issued Mar 18, 2025
- Certain 2022-2024MY IONIQ 5 (NE EV) and 2023-2025MY IONIQ 6 (CE EV) vehicles may exhibit a condition while driving where the 12V battery voltage drops below the operational voltage…24-01-088H · Service campaign · Electrical System · issued Dec 3, 2024
- Certain 2022-2024MY IONIQ 5 (NE1), 2023-2024MY IONIQ 6 (CE1) and 2024-2025MY Kona Electric (SX2 EV) vehicles may exhibit a condition while charging with a 240V AC (Level 2) charger…24-01-051H-1 · Service campaign · Electrical System · issued Sep 18, 2024
- This bulletin provides important special service instructions to properly repair a vehicle that has been diagnosed to require an Integrated Charge Control Unit (ICCU) replacement, …24-EV-004H · Technical service bulletin · Electrical System · issued Jul 12, 2024
- Certain 2022-2024MY IONIQ 5 (NE1) and 2023-2024MY IONIQ 6 (CE1) vehicles may exhibit a condition while charging with a 240V AC (Level 2) charger where the vehicle experiences an in…24-01-051H · Service campaign · Electrical System · issued Jul 4, 2024
- Certain 2022-2024 MY IONIQ 5 (NE1) and 2023MY IONIQ 6 (CE1) may have a condition of the power down warning light (turtle symbol) with "Power is limited" displayed in the cluster, a…24-EV-003H · Technical service bulletin · Power Train · issued Mar 6, 2024
- This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is…24-BD-001H · Technical service bulletin · Visibility · issued Feb 14, 2024
- This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.23-EM-005H · Technical service bulletin · Engine and Engine Cooling · issued Oct 13, 2023
- Updated Vehicle Control Unit (VCU) software relating to the brake light logic for regenerative braking on certain IONIQ 5 Electric (NE1) & IONIQ 6 (CE1) vehicles is now available t…23-01-067H-1 · Technical service bulletin · Parking Brake · issued Oct 9, 2023
- This updated Vehicle Control Unit (VCU) software package includes the following: â ¢ Brake light logic update for regenerative braking. â ¢ i-Pedal mode operation logic update. â ¢…23-01-067H-1 · Technical service bulletin · Parking Brake · issued Oct 9, 2023
- This bulletin is issued to provide the extended battery diagnosis procedure using GDS-M. This battery diagnosis function displays the various battery-related faults such as: â ¢ In…23-EE-010H · Technical service bulletin · Engine and Engine Cooling · issued Sep 18, 2023
- This bulletin provides service information on how to inspect the charging port and if needed, replace any missing/damaged insulation cap(s) at the charging port on certain 2022-202…23-EV-006H · Technical service bulletin · Electrical System · issued Aug 25, 2023
- Certain 2022-2023MY IONIQ 5 (NE1) and 2023MY IONIQ 6 (CE1) vehicles may exhibit a condition where low 12V auxiliary battery charging occurs due to an ICCU (Intelligent Charging Con…23-01-060H · Technical service bulletin · Power Train · issued Jul 17, 2023
- Certain 22-23MY Ioniq 5 (NE1) & 23MY Ioniq 6 (CE1) vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Intelligent Charging Control Unit) …23-01-060H · Technical service bulletin · Electrical System · issued Jul 17, 2023
- Certain 2023MY Ioniq 5 (NE1) and 2023MY Ioniq 6 (CE1) vehicles may exhibit a poorly closing power tailgate due to improper latching when closing which may cause the liftgate warnin…23-01-059H · Technical service bulletin · Structure · issued Jul 11, 2023
- 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 (Integr…23-01-043H · Technical service bulletin · Electrical System · issued May 3, 2023