JL9 Factory-verified

GMC · Regular Production Option

Brake system, power, front disc, rear drum, cast iron, antilock, front and rear wheel

Years 2007–09, 2014–17, 2019, 2021–22 Models 4 Factory citations 16
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Also described as Brake system, power, front and rear disc, antilock, front and rear wheelBrakes, 4 wheel antilock, 4 wheel discBrakes, 4-wheel antilock, 4-wheel disc

Also documented for BuickCadillacChevroletOldsmobilePontiacSaturn

Documented applications

This page aggregates every documented appearance of JL9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.