JJA Factory-verified
Also described as PT dress subassembly installed (modular optimization method only)PT dress subassembly, installed (Modular Optimization Method only)
Also documented for ChevroletGMCHummer
Documented applications
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The 2006 list prints "Pt".
This page aggregates every documented appearance of JJA in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.