JJ2 Factory-verified

GMC · Regular Production Option

Brake lining, high-performance, Duralife

Years 2019 Models 1 Factory citations 1
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Also documented for BuickCadillacChevrolet

Documented applications

This page aggregates every documented appearance of JJ2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.