FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
Home
>>
Isuzu Truck
>>
1994
>>
Pickup 4WD V6-3137cc 3.1L (CPC)
>>
Repair and Diagnosis
>>
A L L Diagnostic Trouble Codes ( DTC )
>>
Testing and Inspection
>>
Manufacturer Code Charts
>>
Engine Control System
>>
DTC 55
DTC 55
Engine Control Module (ECM) error
Replace ECM.
Clear DTCs and confirm "closed loop" operation and no "check engine" mil.