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Warranty extension 26-EV-004G TSB

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeWarranty extension
NHTSA id11034029
Published by NHTSA2026-06-23
Manufacturer's number26-EV-004G TSB
Manufacturer's date2026-06-17
Campaign id or software versionZ06G
NHTSA componentELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Fuel system

Vehicles listed
GENESIS G80 ELECTRIFIED2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GENESIS GV602023, 2024, 2025
GENESIS GV70 ELECTRIFIED2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V2290002026-04-10. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20261852026-04-09. Fuel System
26V0190002026-01-16. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
25V4740002025-07-17. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
25V1050002025-02-19. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
24V8680002024-11-18. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
20242352024-04-19. Fuel System
24V2820002024-04-19. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
24V2050002024-03-15. ELECTRICAL SYSTEM:WIRING
24V2040002024-03-15. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-01-072G TSB2026-09-11. Service campaign. Certain GV60 (JW1 EV) and G90 (RS4) vehicles may exhibit an inability to perform Over the Air (OTA) software updates due to an internal logic error that prevents the updates from being completed properly. This bulletin provides instructions to perform a Data Connectivity Unit (DCU) software update to correct this condition.
26-01-072G DCS2026-09-11. Service campaign. Certain GV60 (JW1 EV) and G90 (RS4) vehicles may exhibit an inability to perform Over the Air (OTA)software updates due to an internal logic error that prevents the updates from being completed properly.
Z06G OL2026-08-15. Warranty extension. Certain 2023 – 2025 model year Genesis GV60, 2023 – 2025 model year Genesis GV70 Electrified, and 2023 – 2025 model year Genesis G80 Electrified vehicles may require replacement of the Integrated Charging Control Unit (ICCU) and ICCU Fuse. At Genesis, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, Genesis is extending the warranty coverage for the ICCU and ICCU Fuse Replacement under this condition to 15 years or 180,000 miles from the date of original retail delivery or date of first use and is valid for original and subsequent owners.
26-EV-004G DCS2026-06-23. Warranty extension. 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. 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.
L05G EM2026-06-23. Warranty extension. Your vehicle may exhibit battery drain due to the Central Control Panel (CCP) not entering sleep mode. At Genesis, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, Genesis is conducting a campaign to update the Central Control Panel (CCP) Software at NO CHARGE to you.
26-GI-002G TSB2026-06-06. Service bulletin. 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. 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.
26-01-035G DCS2026-04-15. Service campaign. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon's communication network. Technical Service Bulletin (TSB) 26-01-035G provides instructions to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
26-01-035G TSB2026-04-15. Service campaign. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Connected Car Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.