PB4 ✓ Factory-verified

Buick · Regular Production Option

Lock control, wheel

Years 2005 Models 1 Factory citations 1

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Also documented for CadillacChevroletGMCOldsmobilePontiac

Documented applications

Terraza — U-body / GMT201 (2005–2007) →

• 2005 ✓ Factory-verified
  ⛭ GM factory document — 2005 buick terraza rpo code list, p.1.

This page aggregates every documented appearance of PB4 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.