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Service bulletins for the 2023 Genesis G80

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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
26-EV-004G DCS2026-06-23. Warranty extension. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Genesis 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 of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the flowchart in Technical Service Bulletin (TSB) 26-EV-004G to check for an active or stored occurrence of any Diagnostic Trouble Code (DTC) that requires replacement of the ICCU and replace the ICCU and ICCU fuse if necessary. Some vehicles may have an active DTC that requires ICCU replacement. Please note that any vehicles under 15 years/180,000 miles are covered by this TSB, even if vehicle is within High Voltage Warranty of 10 years/120,000 miles.
26-EV-004G DN2026-06-23. Warranty extension. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Genesis 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 of first use (whichever occurs first) and is valid for original and subsequent owners.
26-EV-004G TSB2026-06-23. Warranty extension. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Genesis 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 of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the flowchart in this bulletin to check for an active or stored occurrence of any Diagnostic Trouble Code (DTC) that requires replacement of the ICCU and replace the ICCU and ICCU fuse if necessary. Some vehicles may have an active DTC that requires ICCU replacement.
26-GI-002G TSB2026-06-06. Service bulletin. ELECTRICAL SYSTEM. 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 depending on vehicle type, model, and navigation system. Refer to the 2026 1st Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB.
26-EE-003G TSB2026-04-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solenoid) assembly.
25-BE-025G TSB2026-01-06. Service bulletin. ELECTRICAL SYSTEM. Certain vehicles equipped with Premium Gen6 Navigation head units may exhibit issues with Genesis Connected Services, navigation, voice recognition, and Bluetooth functionality. In some cases, the home screen may display applications not intended for the U.S. market. This TSB provides the procedure to update the Premium Gen6 Navigation software to address these conditions.
25-BE-020G TSB2025-10-03. Service bulletin. ELECTRICAL SYSTEM. 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 navigation system as described in this TSB.
25-BE-002G TSB2025-06-03. Service bulletin. ELECTRICAL SYSTEM. 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 navigation system. Refer to the 2024 2nd Navigation Map and Software Update Improvements section in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater and updated by USB. The NAU website is https://update.genesis.com/US/EN/navigationUpdate. For certain models equipped with a relevant Genesis Connected Services (GCS) package, the software may be downloaded and applied via OTA update.
25-01-024G-1 TSB2025-05-27. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.
25-GI-009G2025-05-02. Service bulletin. ELECTRICAL SYSTEM. Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
25-01-024G EM2025-04-18. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Genesis Connected Service functions. This may be due to an irregular disconnection on Verizon's communication network.
25-BE-007G TSB2025-04-15. Service bulletin. ELECTRICAL SYSTEM. Certain 2021-2023MY GV80 (JX1), 2022-2023MY GV70 (JK1), 2021-2023MY G80 (RG3) and 2023MY G80 Electrified (RG3 EV) vehicles may exhibit a warning light with DTC C162078 due to improper detection of steel structures. Advanced Driver Assistance System (ADAS) functions are not affected due to this condition. Follow the procedure in this bulletin to update the front radar unit and perform all related adjustments according to shop manual.
25-01-024G TSB2025-03-25. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.
24-01-091G TSB2024-12-11. Service campaign. ELECTRICAL SYSTEM. Certain 2023-2025MY GV70 Electrified (JK1A EV), 2023-25MY GV60 (JW1 EV) and 2023-25MY G80 Electrified (RG3 EV) vehicles may exhibit a condition while driving where the 12V battery voltage drops below the operational voltage and the Vehicle Control Unit (VCU) places the vehicle in “Limp Home” mode. The VCU software in this bulletin updates the maximum vehicle speeds for various levels of 12V battery voltage when the vehicle enters “Limp Home” mode.
24-01-044G2024-09-25. Service campaign. ELECTRICAL SYSTEM. This message provides instructions for vehicles experiencing an incomplete Over-The-Air (“OTA”) AVN software update.
24-01-044G2024-09-07. Service campaign. ELECTRICAL SYSTEM. Genesis has become aware that some vehicles may experience an incomplete Over-The-Air (“OTA”) AVN software update.
24-01-051G2024-08-07. Service campaign. ELECTRICAL SYSTEM. Certain GV70 Electrified (JK1A EV), GV60 (JW1 EV), and G80 Electrified (RG3 EV) vehicles may exhibit a condition while charging with a 240V AC (Level 2) charger where the vehicle experiences an interrupted charging session or a lower charging speed. This occurs to prevent potential damage to the charging cable connection. Follow the procedure in this TSB to update the software logic for the Vehicle Charging Management System (VCMS), which initiates a self-restart that allows the vehicle charging to return to full capacity once stabilized.
24-01-044G2024-07-02. Service bulletin. ELECTRICAL SYSTEM. Certain G80 (RG3), GV70 (JK1), GV70 Electrified (JK1A EV), and GV80 (JX1) vehicles equipped with the AVN 6th Gen system may experience an incomplete OTA update. Follow the procedures in this bulletin to check whether the OTA update completed and, if not, update the AVN 6th Gen system using the applicable supplied USB drive(s).
19-BE-017G2024-04-11. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM; VISIBILITY. Certain vehicles (listed below) equipped with the HomeLink5 (Two Way Communication) mirror may experience programming and operating difficulties with the home garage system. This bulletin provides information related to some of the possible symptoms.
24-01-021G2024-04-02. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Some vehicles may exhibit door unlock malfunctions due to front bumper wiring and fuse disconnections following a collision, stemming from inadequate wiring protection during bumper impacts. This bulletin provides instructions to remove the front bumper and install the enhanced wiring protection measures.
24-EV-003G2024-04-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Certain 2023-2024MY G80 Electrified (RG3 EV), 2023-2024MY GV60 (JW1 EV), and 2023-2024MY GV70 Electrified (JK1a EV) 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-EV-002G2024-04-02. Service bulletin. ELECTRICAL SYSTEM. If you are servicing a vehicle with a missing or damaged insulation cap from the EV Charging Port follow the information in this TSB to replace any missing/damaged insulation cap(s) on certain 2023-24MY GV60 (JW1 EV), G80 Electrified (RG3 EV) and GV70 Electrified (JK1a EV) vehicles. The charging insulation caps are important to ensure proper charger connector orientation and fit to the vehicle charge port.
23-EE-013G2023-12-22. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin is issued to provide the extended battery diagnosis procedure using GDS. 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.
23-01-069G-12023-10-02. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN. Certain 2023MY G80 Electrified (RG3 EV), 2023-24MY GV60 (JW1 EV), and 2023-24MY GV70 Electrified (JK1a EV) vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge 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, 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 fuse replacement.
23-01-069G-12023-10-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Certain 2023MY G80 Electrified (RG3 EV), 2023-24MY GV60 (JW1 EV), and 2023-24MY GV70 Electrified (JK1a EV) vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge 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 fuse replacement.

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