- 1998–2001 Factory-verified
GU6 Factory-verified
Also documented for BuickCadillacChevroletGMCPontiac
Documented applications
- 2002–2004 Factory-verified
This page aggregates every documented appearance of GU6 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.