- 2025–2027 Factory-verified
S on all trims; the 2025 list words it as 2 charge and data ports on the front console
Also described as USB ports, 2 in front (type-A and type-C), 2 in second row (type-A and type-C), 2 in third row (type-A)USB ports, 2 (first row), charge and data, on front consoleUSB ports, 2 (first row), located on consoleUSB ports, 4, charge/data, first row, consoleUSB ports, 2 (first row), on the consoleUSB ports, 2, first row, on console
Also documented for BuickCadillacChevrolet
Documented applications
- 2023–2027 Factory-verified
S on all trims
- 2025–2026 Factory-verified
- 2025–2026 Factory-verified
- 2027 Factory-verified
Pro: not offered; AT4, Elevation, AT4X, Denali, Denali Ultimate: included in the trim group
- 2025–2027 Factory-verified
only in: 2500 HD and 3500 HD pickup; AT4, AT4X, Denali, Denali Ultimate: included in the trim group; Pro, SLE, SLT: not offered
- 2023–2026 Factory-verified
- 2025–2027 Factory-verified
2027: S on all trims
- 2025–2027 Factory-verified
2027: S on all trims
This page aggregates every documented appearance of UBD in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.