Module, electronic control

Years 1998–07 Models 4 Factory citations 20

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Documented applications

Impala — eighth generation (2000–2005)

2000–2005 Factory-verified

GM factory document — 2000 chevrolet impala rpo code list, p.1.
GM factory document — 2001 chevrolet impala rpo code list, p.1.
GM factory document — 2002 chevrolet impala rpo code list, p.1.
GM factory document — 2003 chevrolet impala rpo code list, p.1.
GM factory document — 2004 chevrolet impala rpo code list, p.1.
GM factory document — 2005 chevrolet impala rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Impala, p.43.
GM Heritage factory kit — 2004 Chevrolet Impala, p.30.

Lumina — second generation (1995–2001)

1998–1999 Factory-verified

GM factory document — 1998 chevrolet lumina rpo code list, p.1.
GM factory document — 1999 chevrolet lumina rpo code list, p.1.

Monte Carlo — fifth generation, W-body (1995–1999)

1998–1999 Factory-verified

GM factory document — 1998 chevrolet monte carlo rpo code list, p.1.
GM factory document — 1999 chevrolet monte carlo rpo code list, p.1.

Monte Carlo — sixth generation (2000–2007)

2000–2007 Factory-verified

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2001 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2002 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2003 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2004 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2005 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2006 chevrolet monte carlo rpo code list, p.1.
GM factory document — 2007 chevrolet monte carlo rpo code list, p.1.

This page aggregates every documented appearance of K20 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.