- 2019 Factory-verified
includes W1V and VGS;
Also described as LPO, ZL1 protection packageLPO, GearOn utility rack packageChrome and convenience packageCustom Sport Edition packageCustom Sport Edition
Documented applications
- 2015, 2017–2018 Factory-verified
2015: WT, LT, Z71: O; Base: not offered; 2017: WT, LT, Z71: O; Base: not offered; includes SIE and SL7; 2018 from GM's 2018 Colorado order guide (PDF)
- 2015 Factory-verified
1LT: O; chrome door handles, DL9, RSX, QNT, PDD and the RAI LPO close-out panel; GM's official 2016 RPO changes (GM Authority) delete it for 2016
- 2016–2019 Factory-verified
Crew Cab; Appearance Package (AQC), body-color grille with chrome bars (TC7), body-color bumpers (VB5, VT5), spray-on bedliner (CGN) and 20 inch polished wheels; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
- 2025–2027 Factory-verified
only in: 2500 HD
- 2015 Factory-verified
- 2020, 2025–2026 Factory-verified
This page aggregates every documented appearance of PDX in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.