- 2014 Factory-verified
every 2014 coupe and the CTS-V Sedan: S
UJM Factory-verified
Also described as Tire pressure monitor system
Also documented for BuickChevroletGMC
Documented applications
- 2015–2017 Factory-verified
2015: S on all trims
This page aggregates every documented appearance of UJM in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.