- 2014–2017 Factory-verified
printed with a letter O in the Upfitter lists; GM's K07 is a different part (a fuel-fired heater timer), so the code stands as printed
KO7 Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of KO7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.