TUM ✓ Factory-verified

GMC · Regular Production Option

Alarm, seat belt warning, additional

Years 2009 Models 1 Factory citations 1

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Also documented for CadillacChevroletHummer

Documented applications

Envoy — GMT360 (2002–2009) →

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

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