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Home/DTC Codes/GMC/Sierra 2500HD

GMC Sierra 2500HD DTC Codes

Select your year and engine to view applicable diagnostic trouble codes. 🇲🇽 Mexico

51 Configurations

2026

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2026

6.6L V8 L8T

971 DTC codes

2025

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2025

6.6L V8 L8T

971 DTC codes

2024

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2024

6.6L V8 L8T

971 DTC codes

2023

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2023

6.6L V8 L8T

971 DTC codes

2022

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2022

6.6L V8 L8T

971 DTC codes

2021

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2021

6.6L V8 L8T

971 DTC codes

2020

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2020

6.6L V8 L8T

971 DTC codes

2019

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2018

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2017

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2016

6.0L V8 Vortec

960 DTC codes

2016

6.6L V8 Duramax Diesel

821 DTC codes

diesel

2015

6.0L V8 Vortec

959 DTC codes

2015

6.6L V8 Duramax Diesel

820 DTC codes

diesel

2014

6.0L V8 Vortec

955 DTC codes

2014

6.6L V8 Duramax Diesel

816 DTC codes

diesel

2013

6.0L V8 Vortec

952 DTC codes

2013

6.6L V8 Duramax Diesel

814 DTC codes

diesel

2012

6.0L V8 Vortec

952 DTC codes

2012

6.6L V8 Duramax Diesel

814 DTC codes

diesel

2011

6.0L V8 Vortec

941 DTC codes

2011

6.6L V8 Duramax Diesel

803 DTC codes

diesel

2010

6.0L V8 Vortec

941 DTC codes

2010

6.6L V8 Duramax Diesel

803 DTC codes

diesel

2009

6.0L V8 Vortec

913 DTC codes

2009

6.6L V8 Duramax Diesel

767 DTC codes

diesel

2008

6.0L V8 Vortec

913 DTC codes

2008

6.6L V8 Duramax Diesel

767 DTC codes

diesel

2007

6.0L V8 Vortec

886 DTC codes

2007

6.6L V8 Duramax Diesel

740 DTC codes

diesel

2006

6.0L V8 Vortec

875 DTC codes

2006

6.6L V8 Duramax Diesel

720 DTC codes

diesel

2005

6.0L V8 Vortec

855 DTC codes

2005

6.6L V8 Duramax Diesel

710 DTC codes

diesel

2004

6.0L V8 Vortec

779 DTC codes

2004

6.6L V8 Duramax Diesel

652 DTC codes

diesel

2003

6.0L V8 Vortec

762 DTC codes

2003

6.6L V8 Duramax Diesel

637 DTC codes

diesel

2002

6.0L V8 Vortec

745 DTC codes

2002

6.6L V8 Duramax Diesel

620 DTC codes

diesel

2001

6.0L V8 Vortec

721 DTC codes

2001

6.6L V8 Duramax Diesel

601 DTC codes

diesel

2000

6.0L V8 Vortec

721 DTC codes

1999

6.0L V8 Vortec

687 DTC codes

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