LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Hummer
>>
2009
>>
H2 4D Utility Pickup
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls And Fuel - 6.2L - DTC P1174 To DTC P2635
>>
DTC P2544
>>
Circuit/System Testing
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Circuit/System Testing
Observe the DTCs in the scan tool
If DTC P0604 is set, replace the ECM.
If DTC P0604 is not set, replace the TCM.