- 2001 Factory-verified
in GM's shared truck and utility list only; no source ties it to the Sierra pickup
9P2 Factory-verified
Also described as Air conditioning, rear, with auxiliary heater (SEO)
Also documented for Chevrolet
Documented applications
- 2001 Factory-verified
This page aggregates every documented appearance of 9P2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.