S1L ✓ Factory-verified

GMC · Regular Production Option

LPO, off-road pre-filter

Years 2026 Models 1 Factory citations 1

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Also documented for Chevrolet

Documented applications

Canyon — Third generation (VSS-T) (2023–2027) →

• 2026 ✓ Factory-verified
  ⛭ GM factory document — 2026 gmc canyon electrical body builder manual service manual 2026 en us, p.7.

This page aggregates every documented appearance of S1L in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.