WH9 ✓ Factory-verified

GMC · Regular Production Option

LPO, eTrunk vertical cargo area divider, dealer-installed

Years 2025–27 Models 1 Factory citations 4

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Also documented for Chevrolet

Documented applications

Sierra EV — BT1 (2024–2027) →

• 2025–2027 ✓ Factory-verified

  included with PCW

  ⛭ GM factory document — 2025 gmc sierra ev denali fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 gmc sierra ev denali fleet order guide, p.16.

  ⛭ GM factory document — 2027 gmc sierra ev fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 gmc sierra ev fleet order guide, p.18.

Related codes · mentioned in these notes

PCW

This page aggregates every documented appearance of WH9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.