TGG ✓ Factory-verified

Chevrolet · Regular Production Option

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Years 2008–10, 2014–18, 2022–26 Models 5 Factory citations 17

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Also documented for CadillacGMC

Documented applications

Avalanche — GMT900 (2007–2013) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

Express — GMT610 (2003–2027) →

• 2008–2010, 2014–2018, 2022–2026 ✓ Factory-verified
  ⛭ GM factory document — 2008 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2009 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.16.

  ⛭ GM factory document — 2014 chevrolet gh van elec bbm si brief, p.7.

  ⛭ GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.16.

  ⛭ GM factory document — 2016 chevrolet express savana electrical body builders manual service manual 2016 en us, p.10.

  ⛭ GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.10.

  ⛭ GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.16.

  ⛭ GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.14.

  ⛭ GM factory document — 2023 chevrolet 23 express savana body builder sm en us 2022sep13, p.15.

  ⛭ GM factory document — 2024 chevrolet 24 express savana body builder manual 18553161 2023oct26, p.14.

  ⛭ GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.12.

  ⛭ GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.12.

Suburban — GMT900 (2007–2014) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.

Tahoe — GMT900 (2007–2014) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.

TrailBlazer — GMT360 (2002–2009) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 chevrolet trailblazer 2wd rpo code list, p.1.

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