- 2002–2004 Factory-verified
JE1 Factory-verified
Also documented for BuickCadillacChevroletOldsmobilePontiac
Documented applications
- 2002 Factory-verified
- 2002 Factory-verified
- 2002, 2004–2006 Factory-verified
This page aggregates every documented appearance of JE1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.