- 2016 Factory-verified
SLT; the 2017 guide prints the code with a footnote marker attached (AFG1: not with WFP), so 2017 is not claimed here
AFG Factory-verified
Also documented for CadillacChevrolet
Documented applications
This page aggregates every documented appearance of AFG in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.