- 1997–2005 Factory-verified
the 1998–1999 lists require XPU
GM Heritage factory kit — 1997 Chevrolet Venture, p.82.
YPU Factory-verified
Also documented for OldsmobilePontiac
Documented applications
This page aggregates every documented appearance of YPU in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.