5M7 ✓ Factory-verified

GMC · Regular Production Option

Speedometer calibration provisions (SEO)

Years 2001, 2025–27 Models 4 Factory citations 6

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Also described as Speedometer calibrationProvisions, speedometer calibration

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007) →

• 2001 ✓ Factory-verified internal
  ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007) →

• 2001 ✓ Factory-verified internal
  ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — T1XX (2020–2027) →

• 2025–2027 ✓ Factory-verified internal

  the 2500 HD and 3500 HD pickup lists print "Speedometer calibration, provisions"

  ⛭ GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Yukon — GMT800 (2000–2006) →

• 2001 ✓ Factory-verified internal
  ⛭ GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of 5M7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.