- 2007–2009 Factory-verified
Y91 Factory-verified
Also documented for BuickCadillacChevroletGMCHummerOldsmobilePontiac
Documented applications
- 2006–2007 Factory-verified
the 2006 and 2007 lists are word for word the Buick Terraza, Chevrolet Uplander and Pontiac Montana SV6 lists, so this package may be a twin's.
This page aggregates every documented appearance of Y91 in the Saturn reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.