- 2025–2027 Factory-verified
S on all trims
VHM Factory-verified
Also described as Vehicle health managementVehicle health monitoring (prognostics)
Also documented for BuickCadillacChevrolet
Documented applications
- 2023–2027 Factory-verified
S on all trims
- 2026–2027 Factory-verified
S on all trims
- 2022–2023, 2026 Factory-verified
- 2022–2023, 2026 Factory-verified
This page aggregates every documented appearance of VHM in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.