- 2015–2017 Factory-verified
2015: Standard: A; not on Luxury, Premium, Platinum; 2016 and 2017 rest on the shared Upfitter lists only, no Escalade-specific page read for those years
AT6 Factory-verified
Also documented for BuickChevroletGMCOldsmobilePontiac
Documented applications
This page aggregates every documented appearance of AT6 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.