Service bulletins for the 2025 GMC Sierra
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.
759 on file from NHTSA, as of 2026-10-19.
About C1197 on the 2025 GMC Sierra: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: C1197 are shown. Show all
| PIT6304D | 2025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 sym 92 caused by a pinched air inlet hose to the suspension compressor air leveling system and update the software in the K5 automatic level ride control module. |
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| PIT6304C | 2025-04-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 sym 92 caused by a pinched air inlet hose to the suspension compressor air leveling system and update the software in the K5 automatic level ride control module. |
| PIT6304B | 2025-04-01. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 sym 92 caused by a pinched air inlet hose to the suspension compressor air leveling system and update the software in the K5 automatic level ride control module. |
| PIT6304A | 2025-02-03. Service bulletin. SUSPENSION. This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 sym 92 caused by a pinched air inlet hose to the suspension compressor air leveling system. |
| PIT6304 | 2024-12-17. Service bulletin. SUSPENSION. This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.