UJ1 Factory-verified

GMC · Regular Production Option

Indicator, system, brake warning

Years 1984, 1998–10, 2014–16, 2018, 2022–27 Models 3 Factory citations 24
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Also described as Indicator, brake warning systemIndicator, brake warning

Also documented for Chevrolet

Documented applications

This page aggregates every documented appearance of UJ1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.