1SS ✓ Factory-verified

GMC · Regular Production Option

Package, option 17

Years 2000 Models 1 Factory citations 1

Query this via API →

Also documented for CadillacChevrolet

Documented applications

Safari — Second generation (1995–2005) →

• 2000 ✓ Factory-verified
  ⛭ GM factory document — 2000 gmc safari 2wd rpo code list, p.1.

This page aggregates every documented appearance of 1SS in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.