- 2025 Factory-verified
O on all trims; includes RYT and S08
PDY Factory-verified
Also described as LPO, Roadside Safety PackageSLT preferred packageAll Terrain Chrome Bumpers packageSLT Preferred PackageLPO, roadside safety package
Also documented for BuickCadillacChevrolet
Documented applications
- 2015 Factory-verified
chrome front and rear bumpers (V46, VJH) and rear bumper corner steps (BWN); requires the All Terrain HD package (GAT); Sierra: not offered; SLE, SLT: O
- 2025–2027 Factory-verified
only in: 2500 HD and 3500 HD pickup; includes rear heated seats (KA6), rear sliding power window (A48), universal home remote (UG1) and adaptive cruise control (KSG); SLT: O; Pro, SLE, AT4, AT4X, Denali, Denali Ultimate: not offered
- 2014 Factory-verified
GM uses PDY for a different package on the Silverado.
- 2025–2026 Factory-verified
- 2019 Factory-verified
SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; added to the guide in April 2018; includes RYT and S08
This page aggregates every documented appearance of PDY in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.