NR9 Factory-verified

GMC · Regular Production Option

Transfer case, all wheel drive (AWD), open differential, torque biased single speed

Years 2006–09 Models 1 Factory citations 3
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Also documented for BuickChevrolet

Documented applications

This page aggregates every documented appearance of NR9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.