- 2015–2017 Factory-verified
SLE, SLT: A/D; not with RWI; the 2018 guide does not print it
RWK Factory-verified
Also documented for Chevrolet
Documented applications
- 2015–2017 Factory-verified
SLE, SLT: A/D; Denali: not available
This page aggregates every documented appearance of RWK in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.