Service bulletins for the 2020 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.
48 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Software are shown. Show all
| 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. |
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| CC-20-00-02 | 2020-09-10. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. Baseline software update instrucitons |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.