- 2016–2019 Factory-verified
deletes the standard LPO 6 inch chrome assist steps (VXH) when another LPO step is ordered; the 2018 and 2019 guides print Assist Steps Not Desired or Alternate Step Desired; 2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
R8M Factory-verified
Also described as Assist step delete
Also documented for GMC
Documented applications
- 2015 Factory-verified
This page aggregates every documented appearance of R8M in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.