- 2023–2027 Factory-verified
the 2025 list reads LPO, remote start
S6P Factory-verified
Also documented for BuickCadillacChevrolet
Documented applications
- 2019–2020, 2022–2023 Factory-verified
This page aggregates every documented appearance of S6P in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.