Service bulletins for the 2021 KARMA Revero GT
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.
29 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| TB-26-90-01 | 2026-08-31. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Alignment of headlamps service procedure |
|---|---|
| SC-26-01-01 | 2026-07-28. Other. ELECTRICAL SYSTEM. Alert to service centers that 12 volt is no longer stocked in the karma distribution center |
| SC-26-01-01 | 2026-07-28. Other. ELECTRICAL SYSTEM. Alert to service centers that 12 volt is no longer stocked in the karma distribution center |
| SC-25-90-02 | 2025-11-04. Service bulletin. ELECTRICAL SYSTEM. Install of recommended 12Volt battery maintainer |
| RC-24-90-01 | 2024-11-07. Service campaign. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp Control Unit Replacement Safety Recall. software in the control module required an update from the component supplier. replacing the module with the required software corrects compliance for FMVSS 108 concern |
| TB-24-94-01 | 2024-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Remedy for infotainment module fan noise. |
| SC-24-94-01 | 2024-03-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Describing the process to use the diagnostic tool and USB for manual baseline updates of vehicle software when needed. |
| CC-21-00-01 | 2022-03-22. Service bulletin. ELECTRICAL SYSTEM. Baseline 1050 software update |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.