- 2017–2019 Factory-verified
only in: 2500HD; included with the Custom Sport Edition (PDX) on LTZ; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
Q7R Factory-verified
Also documented for Cadillac
Documented applications
This page aggregates every documented appearance of Q7R in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.