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Service bulletins for the 2023 Hyundai IONIQ 5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

46 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
24-EV-003H2024-04-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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, and possible DTC P0A2F. If you are servicing a vehicle with either of these conditions, follow this bulletin to inspect the EOP.
24-BD-001H2024-03-05. Service bulletin. VISIBILITY; VISIBILITY/WIPER. 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 a possibility of the rubber insert and rail spring becoming partially separated on the inner side of the wiper blade, which could lead to poor wiping performance and/or possible scratching of the windshield glass. Follow the procedure in this bulletin to properly remove the windshield wiper blade protective cover on all new wiper blades.
24-BE-001H2024-02-05. Service bulletin. ELECTRICAL SYSTEM. Some vehicles equipped with the AVN 5th Gen Wide system may exhibit a condition where the radio app crashes frequently when entering radio mode and/or displays a message that reads “Uneven Road Ahead, Drive carefully” on the cluster along with a warning sound. Follow the procedure outlined in this bulletin to update the AVN software to resolve this condition.
23-EM-005H2023-12-15. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-01-067H-12023-11-07. Service bulletin. PARKING BRAKE; POWER TRAIN. 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 to improve the vehicle’s system logic and performance. An “Owner’s Manual Supplement” leaflet is also to be provided to 2022MY IONIQ 5 vehicle customers to explain the change & application of the Electronic Parking Brake (EPB) system of their vehicle.
23-01-067H-12023-11-07. Service bulletin. POWER TRAIN; SERVICE BRAKES, AIR; PARKING BRAKE. This updated Vehicle Control Unit (VCU) software package includes the following: • Brake light logic update for regenerative braking. • i-Pedal mode operation logic update. • 12V battery saver logic update allows charging from EV Battery as low as 10% SOC when parked. The Ioniq 5 update includes these earlier items that Ioniq 6 had included from start of production: • EPB (Electronic Parking Brake) auto engagement when shift into Park/auto disengagement shift out of Park when shifting to D or R while brake pedal is engaged. • DTE (Distance to Empty) strategy. • Snow road surface performance. • Air conditioning performance during AC slow charging. • Enhance charging sequence.
23-BD-006H-12023-10-02. Service bulletin. STRUCTURE:BODY:TAILGATE. This bulletin describes the procedure to repair a tailgate that exhibits a rattle noise while driving. The repair procedure involves installation of washer pads to the side guide bumpers and adjustment of the tailgate striker.
23-EE-010H2023-10-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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: • Internal short circuit • Battery deterioration • Malfunction of electronic parts • Insufficient battery charge • Normal battery • Charging defect Battery diagnosis uses the battery sensor history saved for the last 30 days and ICU diagnostic communication to track battery state of charge (SOC) and current parasitic draw history.
23-EV-006H2023-09-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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 2022-2023MY Ioniq 5 (NE1) and 2023MY (CE1) . The charging insulation caps are important to ensure proper charger connector orientation and fit to the vehicle charge port.
23-01-067H2023-09-05. Service bulletin. PARKING BRAKE:ELECTRICAL; ELECTRICAL SYSTEM; PARKING BRAKE; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR. This updated Vehicle Control Unit (VCU) software package includes the following: • Brake light logic update for regenerative braking. • Enhance i-Pedal mode operation. • EPB (Electronic Parking Brake) auto engagement when shift into Park/auto disengagement shift out of Park when shifting to D or R while brake pedal is engaged. • DTE (Distance to Empty) strategy. • Snow road surface performance. • Air conditioning performance during AC slow charging. • Enhance charging sequence. An “Owner’s Manual Supplement” leaflet is to be provided to 2022MY vehicle customers to explain the change to the Electronic Parking Brake (EPB) system. (NOTE: 2023MY vehicle Owner’s Manual already contains the EPB supplement content).
23-HA-002H2023-09-05. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. Certain IONIQ 5 (NE1) vehicles may experience an inoperative heater or air conditioning with one or more HVAC system related DTCs B169588, B160C88, and/or B183088. To correct this condition, follow the inspection diagnostics and repair procedure outlined in this bulletin.
23-01-060H2023-08-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 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 Control Unit) fault which may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear, instructing the driver to stop the vehicle. The vehicle will be inspected for a DTC P1A9096 and may require either an ICCU software update or ICCU replacement and potential fuse replacement (if fuse is blown when inspected).
23-01-060H2023-08-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear and instruct the driver to stop the vehicle. The Service Procedure flow to be followed is outlined by the flowchart on Page-3. The ICCU system is to be checked by GDS for DTC P1A9096 and depending on the result, will involve either an ICCU software update, or ICCU and potential fuse replacement. Only replace the fuse after it is inspected to confirm to be blown/open.
23-01-059H2023-08-02. Service bulletin. STRUCTURE:BODY:TAILGATE; LATCHES/LOCKS/LINKAGES. 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 warning chime to come on. This bulletin provides the service procedure to update the Power Tailgate Module (PTGM) software to improve the condition stated above.
23-01-039H2023-07-01. Service bulletin. PARKING BRAKE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin applies the following continuous improvements from a Vehicle Control Unit (VCU) Software Update. An “Owner’s Manual Supplement” leaflet is to be provided to 2022MY vehicle customers to explain the change it makes to the Electronic Parking Brake (EPB) system. (NOTE: 2023MY vehicle Owner’s Manual already contains the EPB supplement content). • Enhance i-Pedal mode operation. • EPB (Electronic Parking Brake) auto engagement when shift into Park/auto disengagement shift out of Park when shifting to D or R while brake pedal is engaged. • DTE (Distance to Empty) strategy. • Snow road surface performance. • Air conditioning performance during AC slow charging. • Enhance charging sequence.
23-01-050H2023-06-30. Service bulletin. 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-BD-007H2023-05-04. Service bulletin. STRUCTURE:BODY. Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.
23-BD-006H2023-05-02. Service bulletin. STRUCTURE:BODY:TAILGATE. This bulletin describes the procedure to repair a tailgate that exhibits a rattle noise while driving. The repair procedure involves installation of washer pads to the side guide bumpers and adjustment of the tailgate striker.
23-EV-003H2023-04-04. Service bulletin. POWER TRAIN. If you are servicing a vehicle with either of the following conditions perform the procedure in this Bulletin to update VCMS software. • Intermittently stops charging before charging completes. • EV Light On with DTC P1BAD “Charger Coupler Temperature Too High”.
23-EV-002H2023-03-02. Service bulletin. ELECTRICAL SYSTEM. If you are servicing a 2022-2023 IONIQ 5 AWD vehicle with drivability concerns in ECO Mode follow this bulletin for updating the software of the Vehicle Control Unit (VCU) for improved drivability.
23-BD-002H2023-02-02. Service bulletin. VISIBILITY. 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 TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.