TZ3 ✓ Factory-verified

GMC · Regular Production Option

Emissions, Mexico level (GMM calibration)

Years 2005, 2007–08 Models 3 Factory citations 4

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Also described as Emission system, Mexico LEV (GMM calibration responsible)

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007) →

• 2005 ✓ Factory-verified internal
  ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007) →

• 2005 ✓ Factory-verified internal
  ⛭ GM factory document — 2005 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014) →

• 2007–2008 ✓ Factory-verified internal
  ⛭ GM factory document — 2007 gmc sierra 2wd rpo code list, p.1.

  ⛭ GM factory document — 2008 gmc sierra 2wd rpo code list, p.1.

This page aggregates every documented appearance of TZ3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.