- 2005–2007 Factory-verified
JF3 Factory-verified
Also described as Brakes, vacuum power, 17 in disc/drum with ABS, 7,000 lb
Also documented for Chevrolet
Documented applications
- 2009 Factory-verified
This page aggregates every documented appearance of JF3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.