Service bulletins for the 2026 GMC Acadia
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.
158 on file from NHTSA, as of 2026-10-19.
About C1173 on the 2026 GMC Acadia: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: C1173 are shown. Show all
| 24-NA-166 | 2025-12-02. Service bulletin. WHEELS; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of DTC C1171 C1172 C1173 C1174 Tire Pressure Monitor Sensor Unable to Relearn Ethernet Cable Overlay for TCP OnStar Module. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.