- 2026 Factory-verified
included with and only available with PDN or SEU; the 2027 guide lists the 22 inch transit steel wheel as RBR; 2026: A in 3SB, 3SC; not offered in 4SC, 4SD, 5SB, 5SC, 5SD
PJ6 Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of PJ6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.