- 2025–2027 Factory-verified
only in: 2500 HD, 3500 HD
RFO Factory-verified
Also described as Rear USB ports, not equipped (see dealer for details)
Also documented for GMC
Documented applications
- 2025–2027 Factory-verified
2027: LS, LT, RST, Z71: O; includes VQQ, S1O
- 2025–2027 Factory-verified
2027: LS, LT, RST, Z71: O; includes VQQ, S1O
This page aggregates every documented appearance of RFO in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.