R88 Factory-verified
Also described as LPO, illuminated front Black GMC emblemLPO, illuminated exterior emblem, design 2
Also documented for CadillacChevrolet
Documented applications
- 2027 Factory-verified
Pro, Elevation, AT4, AT4X, Denali: not offered; Denali Ultimate: included in the trim group; dealer-installed
- 2020, 2022–2025 Factory-verified
- 2022–2023, 2025–2027 Factory-verified
2027: O on all trims
- 2022–2023, 2025–2027 Factory-verified
2027: O on all trims
This page aggregates every documented appearance of R88 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.