Hummer H1 DTC Codes
Select your year and engine to view applicable diagnostic trouble codes.
11 Configurations
2006
6.5L V8 Diesel
720 DTC codes
diesel2005
6.5L V8 Diesel
710 DTC codes
diesel2004
6.5L V8 Diesel
652 DTC codes
diesel2003
6.5L V8 Diesel
637 DTC codes
diesel2002
6.5L V8 Diesel
620 DTC codes
diesel2001
6.5L V8 Diesel
601 DTC codes
diesel2000
6.5L V8 Diesel
599 DTC codes
diesel1999
6.5L V8 Diesel
566 DTC codes
diesel1998
6.5L V8 Diesel
566 DTC codes
diesel1997
6.5L V8 Diesel
559 DTC codes
diesel1996
6.5L V8 Diesel
558 DTC codes
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