- 2025–2026 Factory-verified
Also described as LPO, illumination packageConvenience Package
Also documented for BuickCadillacChevroletPontiac
Documented applications
- 2025–2026 Factory-verified
includes front off-road auxiliary lights (RZU), outside rearview mirror projection lights with HUMMER EV logo (S3O), accessory touch-screen control switches (VBP) and interior ambient footwell lighting (SIM); the 2026 guide marks it no longer available to order, and PEL is the 2026 package without RZU or VBP. 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.
- 2025–2027 Factory-verified
includes EZ Lift power lock and release tailgate (QT5), tinted glass (AKO), LED cargo bed lighting (UF2), rear-window defogger (C49) and, on Double Cab and Crew Cab, heated vertical trailering mirrors (DBG); the 3500 HD CC lists name only tinted glass, defogger and DBG on Crew Cab; Pro: O; SLE, SLT, AT4, AT4X, Denali, Denali Ultimate: not offered
- 2025–2026 Factory-verified
- 2015–2016, 2018–2019 Factory-verified
SLE: A; includes DD8, JF4, TB5 and UG1; 2019 named in the guide's TB5 entry; 2018 from GM's 2018 Yukon order guide
- 2015–2016 Factory-verified
SLE: A; SLT, Denali: not available; includes DD8, JF4, TB5 and UG1
This page aggregates every documented appearance of PCI in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.