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
Only bulletins with component: Fuel system are shown. Show all
| 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) |
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| 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.