Lock control, wheel

Years 1986–88, 1998–05 Models 4 Factory citations 12

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Also described as Wheel locking packageLock, wheel

Also documented for Buick Cadillac Chevrolet GMC Oldsmobile

Documented applications

Firebird — Third generation (1982–1992)

1986–1988 Factory-verified

Firebird years: thirdgen.org label decodes 1986; 3rdgenformula option pages 1987–1988; shared F-body code; cited from the Camaro kits

GM Heritage factory kit — 1986 Chevrolet Camaro, p.22.

Grand Am — Fifth generation (1999–2005)

1999–2005 Factory-verified

GM factory document — 1999 pontiac grand am rpo code list, p.1.
GM factory document — 2005 pontiac grand am rpo code list, p.1.

Montana — U-body second generation (1997–2005)

1998–2005 Factory-verified

GM factory document — 1998 pontiac trans sport ext rpo code list, p.1.
GM factory document — 1999 pontiac montana ext rpo code list, p.1.
GM factory document — 2000 pontiac montana ext rpo code list, p.1.
GM factory document — 2001 pontiac montana ext rpo code list, p.1.
GM factory document — 2002 pontiac montana ext rpo code list, p.1.
GM factory document — 2003 pontiac montana ext rpo code list, p.1.
GM factory document — 2004 pontiac montana ext rpo code list, p.1.
GM factory document — 2005 pontiac montana 4wd rpo code list, p.1.

Montana SV6 — Second generation, U-body (2005–2006)

2005 Factory-verified

GM factory document — 2005 pontiac montana sv6 rpo code list, p.1.

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