Cummins ISB CM550 (1990-94) Fault Code: 527 PID: 154 SPN: 702 FMI: 3 Dual-Output Driver A
Circuit Description
The dual-output driver A will control engine and vehicle functions by controlling original
equipment manufacturer’s (OEM) devices based on up to 12 selected engine parameters and
two selected OEM parameters (OEM switch input and OEM pressure input). The solenoid
output will control functions like a fan clutch, air cleaner restriction indicator, or an oil filter
differential pressure indicator.
Component Location
The OEM device is dependent upon the OEM.
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