- 2021–2023 Factory-verified
used with L87 and LM2 in 2021 and with LM2 from 2022; GM Authority for 2021–2022
MQC Factory-verified
Also documented for ChevroletGMC
Documented applications
This page aggregates every documented appearance of MQC in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.