Service bulletins for the 2021 GMC Yukon
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.
1240 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Air bag control module are shown. Show all
| PIT5759A | 2020-08-10. Service bulletin. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; ELECTRICAL SYSTEM. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern. |
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| PIT5759 | 2020-08-10. Service bulletin. AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; EQUIPMENT. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.