- 2019, 2025–2026 Factory-verified
2LT, 3LT, RS: S; Premier: S (2025 only)
EB1 Factory-verified
Also described as GVWR, 6001 lbs (2722 kg)GVW rating, 6,001 lbs
Also documented for BuickGMCHummerOldsmobile
Documented applications
- 2017–2018, 2021 Factory-verified
the 2017 guide names it as a requirement of the pickup box delete (ZW9); 2018 from GM's 2018 Colorado order guide (PDF)
- 2004–2009 Factory-verifiedGM Heritage factory kit — 2004 Chevrolet Trailblazer, p.33.
This page aggregates every documented appearance of EB1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.