- 2024–2027 Factory-verified
only in: 2500 HD; AEV Edition; 2024: GM Authority 2024 changes page; AT4X: O; Pro, SLE, SLT, AT4, Denali, Denali Ultimate: not offered
RBJ Factory-verified
Also documented for Cadillac
Documented applications
This page aggregates every documented appearance of RBJ in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.