Service bulletins for the 2021 Cadillac XT6
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.
814 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Parking brake are shown. Show all
| PIT5662G | 2022-04-18. Service bulletin. PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E. |
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| 21NA252 | 2021-12-27. Service bulletin. EQUIPMENT; PARKING BRAKE:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides repair information to correct a customer concern of Electronic Park Brake Applying Intermittently After Vehicle Shutdown without DTC?s. |
| PIT5662F | 2021-09-13. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.