- 2018–2019 Factory-verified
2019 guide: SLE-2, SLT-1: O; cargo tie-downs (5VI) and cargo stabilizer (RX2); requires the All Terrain with 5-passenger seating; the 2019 guide also calls it the All Terrain Adventure Package
Also described as LPO, Adventure PackageFleet convenience package
Also documented for BuickChevrolet
Documented applications
- 2014 Factory-verified
SLE and SLT crew cab; the guides call the SLT version the SLT Convenience Package
- 2015, 2018–2019 Factory-verified
one code for two trim-specific packages: on Sierra (1SA) the Sierra Convenience Package (heated power mirrors DL8, DPN on the 3500HD; remote keyless entry AQQ; rear vision camera UVC in 2015; 110-volt outlet KI4; LED cargo box lighting UF2; deep-tinted glass AKO; the 2019 package adds remote locking tailgate A91 and cab-specific mirrors), on SLE (3SA) the SLE Convenience Package (power-adjustable pedals JF4, rear park assist UD7, sliding rear window A48, rear-window defogger C49); 2018: GM's 2018 Sierra 2500HD order guide
- 2014, 2016, 2018–2019 Factory-verified
printed twice in each guide: Sierra Convenience Package on the base Sierra and SLE Convenience Package on the SLE.
- 2016–2017 Factory-verified
SLE-2: O; includes BTV remote start and KA1 heated front cloth seats; included with PDU
- 2019 Factory-verified
SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; fleet or government orders; includes AP9 and CGY
- 2013 Single-source
listed under Deletions on GM Authority's 2014 Yukon page (RPO Central; its Yukon, Yukon XL and Commercial Fleet lists), with all its content made standard on the SLE, so last offered the year before; no factory list or order guide read for 2013; the page does not credit GM for its codes
This page aggregates every documented appearance of PDD in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.