- 2015, 2018–2019 Factory-verified
dealer-installed; 2015 marks: Sierra, SLE: not offered; SLT: O; 2018: GM's 2018 Sierra 2500HD order guide; 2019: GM's 2019 Sierra 3500HD order guide
SCZ Factory-verified
Also described as LPO, tailgate handle, chrome
Also documented for Chevrolet
Documented applications
- 2014, 2016–2018 Factory-verified
- 2019–2020, 2023 Factory-verified
This page aggregates every documented appearance of SCZ in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.