Service bulletins for the 2021 Chevrolet Tahoe
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.
1477 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Seats are shown. Show all
| PIT5796 | 2020-12-14. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; SEATS. This Preliminary information communicates and issue where the drivers memory seat will not move to its full travel and dealers are to perform a SPS setup procedure to the K40D Drivers Seat Adjuster Memory Module. |
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| PIT5759G | 2020-11-16. Service bulletin. SEATS. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting caused by high resistance at the F106DA Driver's front seat inboard air bag connector. Dealers are to replace the F106DA Driver's front seat inboard air bag connector pigtail. |
| PIT5773B | 2020-11-16. Service bulletin. SEATS. This Preliminary information communicates an issue with the 3rd Row Seat Headrest not returning to the upright position after cycling the seat and to install a headrest repair kit. |
| PIT5773A | 2020-11-16. Service bulletin. SEATS. This Preliminary information communicates an issue with the 3rd Row Seat Headrest not returning to the upright position after cycling the seat and to install a headrest repair kit. |
| PIT5759E | 2020-10-19. Service bulletin. SEATS. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting caused by high resistance at the F106DA Driver's front seat inboard air bag connector. Dealers are to replace the F106DA Driver's front seat inboard air bag connector pigtail. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.