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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 type: Service bulletin are shown. Show all

Bulletins, newest first
TB-26-90-012026-08-31. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Alignment of headlamps service procedure
TB-26-70-012026-07-28. Service bulletin. STRUCTURE:BODY. Recovery cap retention, a method to bolster tension for the tow hook cover
SC-26-12-012026-05-04. Service bulletin. ENGINE. Supplementary instructions on replacement of oil sump on engine.
TB-24-12-01-.022026-05-04. 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-26-12-012026-03-31. Service bulletin. POWER TRAIN. Update to procedure for oil sump removal & replacement
TB-26-78-022026-02-11. Service bulletin. STRUCTURE:BODY. New B-Pillar retention clips are available, which will be replaced on complaint
SC-26-78-012026-01-26. Service bulletin. STRUCTURE:BODY. A supplemental instruction to remove and reinstall the external rear view mirror caps
SC-25-90-022025-11-04. Service bulletin. ELECTRICAL SYSTEM. Install of recommended 12Volt battery maintainer
TB-25-76-012025-01-15. Service bulletin. STRUCTURE:BODY. Update Remedy for possible wind noise complaint and door effort on opening
TB-24-12-012024-11-07. 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.
TB-24-94-012024-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Remedy for infotainment module fan noise.
SC-24-90-012024-03-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Update to Workshop manual procedure and information for sound module location
SC-24-94-012024-03-15. 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-23-00-022023-11-27. Service bulletin. POWER TRAIN. This bulletin will outline the process of what to expect and what to perform for a software update.
TB-23-30-012023-11-03. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Updated Labor operation codes and timing for new AC lines.
CC-23-00-012023-06-15. Service bulletin. BACK OVER PREVENTION:SOFTWARE; POWER TRAIN; EQUIPMENT:ELECTRICAL. Baseline Software update for specified models
CC-22-60-022022-07-28. Service bulletin. EQUIPMENT; STRUCTURE; SUSPENSION. Knocking noise remedy, by verifying torque spec on some front end bolts
SC-20-90-04.012022-07-19. Service bulletin. EQUIPMENT. Update to previous communication regarding vertical location of radar calibration mirror. Supplement to the Karma Sync Procedure for Radar Module Calibration
CC-21-00-012022-03-22. Service bulletin. ELECTRICAL SYSTEM. Baseline 1050 software update
SC-22-01-012022-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER. VIN decoder information bulletin
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
CC-21-70-012021-07-08. Service bulletin. EQUIPMENT. a trim piece in the front fascia falls out of place easily (the recovery eye). this is a remedy to secure it better
TB-17-42-022021-05-03. Service bulletin. POWER TRAIN. It has been found that certain vehicles may exhibit a whining sound heard from the rear during low-speed full lock turns. The remedy for this concern is draining and refilling the differential with the appropriate fluid as directed.
TB-17-12-012021-05-03. Service bulletin. EQUIPMENT. To provide corrective action for MIL illumination pertaining to codes P0017 and P0014
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.