- 2001 Factory-verified
5Y0 Factory-verified
Also described as Wiring provisions, body builder emergency lamp
Also documented for Chevrolet
Documented applications
- 2001 Factory-verified
- 2001 Factory-verified
This page aggregates every documented appearance of 5Y0 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.