- 1999–2001 Factory-verified
the 1999 to 2000 lists print NWO
NW0 Factory-verified
Also documented for BuickChevroletPontiacSaturn
Documented applications
- 1999 Factory-verified
the 1999 list prints NWO (letter O); NW0 in GM's other lists with the same wording.
This page aggregates every documented appearance of NW0 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.