LEMON Manuals
: Even more car manuals for everyone
Home
>>
Hummer
>>
2008
>>
H2 4D Utility Wagon
>>
Repair and Diagnosis
>>
Transmission
>>
Automatic Trans
>>
Automatic Transmission - 6L50/6L80/6L90 - DTC P0973 To DTC P2764
>>
DTC P0989 or P0990
>>
Circuit/System Verification
Circuit/System Verification
If there are any other transmission related DTCs set, diagnose those DTCs first.