S54 ✓ Factory-verified

GMC · Regular Production Option

LPO, navigation map updates

Years 2019–20, 2023 Models 1 Factory citations 3

Query this via API →

Documented applications

Sierra — T1XX (2019–2026) →

• 2019–2020, 2023 ✓ Factory-verified
  ⛭ GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.13.

  ⛭ GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.14.

  ⛭ GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.13.

This page aggregates every documented appearance of S54 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.