P1J ✓ Factory-verified

GMC · Regular Production Option

OnStar Telematics and Fleet adapter hardware, 8 years

Years 2026 Models 1 Factory citations 3

Query this via API →

Also documented for Chevrolet

Documented applications

Savana — GMT610 (2003–2027) →

• 2026 ✓ Factory-verified

  O on all trims

  ⛭ GM factory document — 2026 gmc savana cargo fleet order guide, p.23.

  ⛭ GM factory document — 2026 gmc savana cutaway fleet order guide, p.29.

  ⛭ GM factory document — 2026 gmc savana passenger fleet order guide, p.18.

This page aggregates every documented appearance of P1J in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.