Headlamp control, flash to pass

Years 1999–03 Models 2 Factory citations 7

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Also documented for GMC Oldsmobile

Documented applications

Blazer — S-10 second generation (1995–2005)

1999–2003 Factory-verified

GM factory document — 1999 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rhd rpo code list, p.1.
GM factory document — 2001 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2002 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2003 chevrolet blazer 4wd rhd rpo code list, p.1.

S-10 pickup — Second generation (1994–2004)

2001–2002 Factory-verified

GM factory document — 2001 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2002 chevrolet s10 pickup 4wd rpo code list, p.1.

This page aggregates every documented appearance of TU6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.