Chevrolet Silverado 3500HD DTC Codes
Select your year and engine to view applicable diagnostic trouble codes.
66 Configurations
2026
6.6L V8 Duramax L5P
1103 DTC codes
diesel2026
6.6L V8 L8T Gas
1253 DTC codes
2025
6.6L V8 Duramax L5P
1103 DTC codes
diesel2025
6.6L V8 L8T Gas
1253 DTC codes
2024
6.6L V8 Duramax L5P
1103 DTC codes
diesel2024
6.6L V8 L8T Gas
1253 DTC codes
2023
6.6L V8 Duramax L5P
1103 DTC codes
diesel2023
6.6L V8 L8T Gas
1253 DTC codes
2022
6.6L V8 Duramax L5P
1103 DTC codes
diesel2022
6.6L V8 L8T Gas
1253 DTC codes
2021
6.6L V8 Duramax L5P
1103 DTC codes
diesel2021
6.6L V8 L8T Gas
1253 DTC codes
2020
6.6L V8 Duramax L5P
1103 DTC codes
diesel2020
6.6L V8 L8T Gas
1253 DTC codes
2019
6.0L V8
1253 DTC codes
2019
6.0L V8
1253 DTC codes
2019
6.6L V8 Duramax
1103 DTC codes
diesel2019
6.6L V8 Duramax
1103 DTC codes
diesel2018
6.0L V8
1251 DTC codes
2018
6.0L V8
1251 DTC codes
2018
6.6L V8 Duramax
1103 DTC codes
diesel2018
6.6L V8 Duramax
1103 DTC codes
diesel2017
6.0L V8
1251 DTC codes
2017
6.0L V8
1251 DTC codes
2017
6.6L V8 Duramax
1103 DTC codes
diesel2017
6.6L V8 Duramax
1103 DTC codes
diesel2016
6.0L V8
1242 DTC codes
2016
6.0L V8
1242 DTC codes
2016
6.6L V8 Duramax
1103 DTC codes
diesel2016
6.6L V8 Duramax
1103 DTC codes
diesel2015
6.0L V8
1241 DTC codes
2015
6.0L V8
1241 DTC codes
2015
6.6L V8 Duramax
1102 DTC codes
diesel2015
6.6L V8 Duramax
1102 DTC codes
diesel2014
6.0L V8
1237 DTC codes
2014
6.0L V8
1237 DTC codes
2014
6.6L V8 Duramax
1098 DTC codes
diesel2014
6.6L V8 Duramax
1098 DTC codes
diesel2013
6.0L V8
1234 DTC codes
2013
6.0L V8
1234 DTC codes
2013
6.6L V8 Duramax
1096 DTC codes
diesel2013
6.6L V8 Duramax
1096 DTC codes
diesel2012
6.0L V8
1234 DTC codes
2012
6.0L V8
1234 DTC codes
2012
6.6L V8 Duramax
1096 DTC codes
diesel2012
6.6L V8 Duramax
1096 DTC codes
diesel2011
6.0L V8
1223 DTC codes
2011
6.0L V8
1223 DTC codes
2011
6.6L V8 Duramax
1085 DTC codes
diesel2011
6.6L V8 Duramax
1085 DTC codes
diesel2010
6.0L V8
1223 DTC codes
2010
6.0L V8
1223 DTC codes
2010
6.6L V8 Duramax
1085 DTC codes
diesel2010
6.6L V8 Duramax
1085 DTC codes
diesel2009
6.0L V8
1195 DTC codes
2009
6.0L V8
1195 DTC codes
2009
6.6L V8 Duramax
1049 DTC codes
diesel2009
6.6L V8 Duramax
1049 DTC codes
diesel2008
6.0L V8
1195 DTC codes
2008
6.0L V8
1195 DTC codes
2008
6.6L V8 Duramax
1049 DTC codes
diesel2008
6.6L V8 Duramax
1049 DTC codes
diesel2007
6.0L V8
1168 DTC codes
2007
6.0L V8
1168 DTC codes
2007
6.6L V8 Duramax
1022 DTC codes
diesel2007
6.6L V8 Duramax
1022 DTC codes
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