RYK ✓ Factory-verified

GMC · Regular Production Option

LPO, GM J1772 AC adapter, residential and public AC charging adapter

Years 2027 Models 1 Factory citations 2

Query this via API →

Also documented for CadillacChevrolet

Documented applications

Sierra EV — BT1 (2024–2027) →

• 2027 ✓ Factory-verified

  for a NACS native inlet vehicle

  ⛭ 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.21.

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