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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: Transmission and driveline are shown. Show all

Bulletins, newest first
SC-26-12-012026-03-31. Service bulletin. POWER TRAIN. Update to procedure for oil sump removal & replacement
TB-24-16-012024-06-21. 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.
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.
CC-23-00-012023-06-15. 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.