- 2002 Factory-verified
NP1 Factory-verified
Also described as Transfer case, electronic shift, two speed
Also documented for ChevroletGMCOldsmobile
Documented applications
- 1999–2000 Factory-verified
- 2002 Factory-verified
This page aggregates every documented appearance of NP1 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.