Service bulletins for the 2021 KARMA Revero
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
| TB-26-90-01 | 2026-08-31. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Alignment of headlamps service procedure |
|---|---|
| TB-26-70-01 | 2026-07-28. Service bulletin. STRUCTURE:BODY. Recovery cap retention, a method to bolster tension for the tow hook cover |
| 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-26-12-01 | 2026-05-04. Service bulletin. ENGINE. Supplementary instructions on replacement of oil sump on engine. |
| TB-24-12-01-.02 | 2026-05-04. Service bulletin. FUEL/PROPULSION SYSTEM. new component is available, instructions how to install are provided. this is an update to a bulletin from 2024 (TB-24-12-01) |
| SC-26-12-01 | 2026-03-31. Service bulletin. POWER TRAIN. Update to procedure for oil sump removal & replacement |
| TB-26-78-02 | 2026-02-11. Service bulletin. STRUCTURE:BODY. New B-Pillar retention clips are available, which will be replaced on complaint |
| SC-26-78-01 | 2026-01-26. Service bulletin. STRUCTURE:BODY. A supplemental instruction to remove and reinstall the external rear view mirror caps |
| SC-90-26-01 | 2026-01-07. Other. UNKNOWN OR OTHER; EXTERIOR LIGHTING. New fasteners are available for better headlamps |
| SC-25-90-02 | 2025-11-04. Service bulletin. ELECTRICAL SYSTEM. Install of recommended 12Volt battery maintainer |
| TB-25-94-01 | 2025-03-06. Over-the-air update. UNKNOWN OR OTHER. over the air Software update to redirect the vehicle to the new server. |
| TB-25-94-01 | 2025-02-14. Over-the-air update. UNKNOWN OR OTHER. A software update for Karma Vehicles Infotainment system only, to connect to the current servers for future over-the-air -updates |
| SC-25-05-01 | 2025-01-15. Other. UNKNOWN OR OTHER. Revised tool list for service providers |
| TB-25-76-01 | 2025-01-15. Service bulletin. STRUCTURE:BODY. Update Remedy for possible wind noise complaint and door effort on opening |
| 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-24-12-01 | 2024-11-07. Service bulletin. UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. A new bracket is provided to reposition the Diagnostic Module TL for best performance in the vehicle. |
| SC-24-12-01 | 2024-06-21. Other. UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. On complaint of relative Fuel tank isolation valve (“FTIV”) diagnostic trouble codes presented, this guide should aid the technician to better identify which component is to be replaced. |
| TB-24-16-01 | 2024-06-21. Over-the-air update. FUEL/PROPULSION SYSTEM; POWER TRAIN. On complaint this is offered to provide a software update (BL1070) over the air to remedy the complaint of a DTC and drive behavior. |
| TB-24-94-01 | 2024-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Remedy for infotainment module fan noise. |
| SC-24-90-01 | 2024-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Update to Workshop manual procedure and information for sound module location |
| 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-23-00-02 | 2023-11-27. Service bulletin. POWER TRAIN. This bulletin will outline the process of what to expect and what to perform for a software update. |
| TB-23-30-01 | 2023-11-03. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Updated Labor operation codes and timing for new AC lines. |
| CC-23-00-01 | 2023-06-15. Service bulletin. BACK OVER PREVENTION:SOFTWARE; POWER TRAIN; EQUIPMENT:ELECTRICAL. Baseline Software update for specified models |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.