WenmarOpen by Wenmar Pro

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: Electrical system are shown. Show all

Bulletins, newest first
TB-26-90-012026-08-31. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Alignment of headlamps service procedure
SC-26-01-012026-07-28. Other. ELECTRICAL SYSTEM. Alert to service centers that 12 volt is no longer stocked in the karma distribution center
SC-26-01-012026-07-28. Other. ELECTRICAL SYSTEM. Alert to service centers that 12 volt is no longer stocked in the karma distribution center
SC-25-90-022025-11-04. Service bulletin. ELECTRICAL SYSTEM. Install of recommended 12Volt battery maintainer
RC-24-90-012024-11-07. 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-24-94-012024-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Remedy for infotainment module fan noise.
SC-24-94-012024-03-15. 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-21-00-012022-03-22. Service bulletin. ELECTRICAL SYSTEM. Baseline 1050 software update
SC-21-60-012021-09-28. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE. Traction Control/ABS Warning Light illuminated on the after the vehicle has been transported via a flat bed tow truck or other car carrier
SC-17-01-032021-05-03. Service bulletin. INTERIOR LIGHTING; ELECTRICAL SYSTEM. The purpose of this document is to alert Dealers that a Technical Services Support (?TSS?) case must be submitted for every service center visit during the first six (6) months of vehicle operation and the first three (3) scheduled service/maintenance visits for all Karma Revero vehicles (all model years). This includes all client concerns, including without limitation a key fob battery, buzz, squeak, or rattle or any check engine light.

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