I15 ✓ Factory-verified

GMC · Regular Production Option

Engineering year, 2015

Years 2015 Models 2 Factory citations 2

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Also documented for Chevrolet

Documented applications

Canyon — Second generation (GMT31XX) (2015–2022) →

• 2015 ✓ Factory-verified internal

  ; shown only in the shared Colorado/Canyon upfitter lists

  ⛭ GM factory document — 2015 chevrolet canyon colorado electrical body builders manual service manual 2015 en us, p.11.

Savana — GMT610 (2003–2027) →

• 2015 ✓ Factory-verified internal
  ⛭ GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.13.

This page aggregates every documented appearance of I15 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.