Service bulletins for the 2021 Chevrolet Suburban
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.
1440 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Air bag control module are shown. Show all
| PIT5885A | 2022-05-16. Service bulletin. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE. This Preliminary information communicates an issue with an SIR MIL with DTC B14DC caused by the air bag connector contacting the foam in the drivers seat. Dealer to remove the foam that is contacting the air bag connector. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.