PB4 ✓ Factory-verified

GMC · Regular Production Option

Wheel lock control

Years 1999, 2007 Models 3 Factory citations 3

Query this via API →

Also described as Lock control, wheel

Also documented for BuickCadillacChevroletOldsmobilePontiac

Documented applications

Acadia — first generation, Lambda (2007–2017) →

• 2007 ✓ Factory-verified
  ⛭ GM factory document — 2007 gmc acadia 2wd rpo code list, p.1.

Jimmy — second generation (1995–2001) →

• 1999 ✓ Factory-verified
  ⛭ GM factory document — 1999 gmc jimmy 4wd rpo code list, p.1.

Sonoma — second generation (1994–2004) →

• 1999 ✓ Factory-verified
  ⛭ GM factory document — 1999 gmc sonoma pickup 4wd rpo code list, p.1.

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