Genesis GV70 2026 — warranty extension
Bulletin L03A L04G DCS · NHTSA communication 11036096 · issued Jul 31, 2026
Warranty extension
communication type
Electrical System
component
2026
model years
2
vehicle entries
Official summary
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 th
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.