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Service bulletins for the 2026 Genesis GV70

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.

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

By type

By component

By trouble code

Only bulletins with type: Warranty extension are shown. Show all

Bulletins, newest first
26-01-077G TSB2026-10-09. Warranty extension. ELECTRICAL SYSTEM; SERVICE BRAKES. Certain GV70 Electrified (JK1A EV) and G80 Electrified (RG3 EV) vehicles may display a false warning light with Diagnostic Trouble Codes (DTC) U151A8C and/or U151B8C when vehicle is placed into “Ready” mode. This bulletin provides the procedure for updating the Vehicle Control Unit (VCU) software to address this condition.
26-01-017G-1 TSB2026-08-11. Warranty extension. ELECTRICAL SYSTEM. Certain GV70 (JK1A) vehicles may exhibit a Data Connectivity Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
26-01-018G-1 TSB2026-08-11. Warranty extension. ELECTRICAL SYSTEM. Certain GV70 Electrified (JK1A EV) vehicles may exhibit a Data Connectivity Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
L03A L04G DCS2026-08-11. Warranty extension. ELECTRICAL SYSTEM. Certain 2026MY GV70 (JK1A) and 2026MY GV70 Electrified (JK1A) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. Technical Service Bulletins (TSBs) 26-01-017G-1 26-01-018G-1 provide instructions to perform a software update for the DCU module. Over-the-Air (OTA): This update can also be conducted via OTA. Guests cancomplete on their own if they have an active subscription to Genesis Connected Services. A visit to retailers is not required if the update is conducted via OTA.
26-01-064G TSB2026-08-11. Warranty extension. ENGINE. Certain 2026MY G70 (IK) and 2027MY G80 (RG3) vehicles may exhibit a water-flowing or gurgling noise from the front center air vents during engine start-up. This condition may be caused by trapped air within the engine cooling system. Follow the procedure below to properly bleed the cooling system and remove any trapped air.
26-01-064G DCS2026-08-11. Warranty extension. ENGINE. Certain 2026MY G70 (IK) and 2027MY G80 (RG3) vehicles may exhibit a water-flowing or gurgling noise from the front center air vents during engine start-up. This condition may becaused by trapped air within the engine cooling system. Technical Service Bulletin (TSB) 26-01-064G provides instructions to properly bleed the cooling system and remove any trapped air.

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