- 2027 Factory-verified
B1J Factory-verified
Also documented for GMC
Documented applications
- 2016–2019 Factory-verified
2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide
- 2023, 2025–2027 Factory-verified
only in: 2500 HD, 3500 HD
- 2015, 2017 Factory-verified
- 2020, 2022–2026 Factory-verified
This page aggregates every documented appearance of B1J in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.