- 2023–2026 Factory-verified
SD5 Factory-verified
Also described as LPO, tire pressure monitor
Also documented for CadillacChevrolet
Documented applications
- 2019–2020, 2022–2025 Factory-verified
- 2022–2023, 2026 Factory-verified
- 2022–2023, 2026 Factory-verified
This page aggregates every documented appearance of SD5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.