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Idle Speed Control Valve Stuck
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DISA Control Circuit Electrical
Idle Speed Control Valve Stuck Open
Idle Speed Control Valve Stuck Closed
Idle Speed Control Valve Closing Solenoid Control Circuit Signal High or Low
Idle Speed Control Valve Closing Solenoid Control Circuit Signal Low
Radiator Ventilation Electrical Fault
Fan 1 Mechanical or Hardware Defect
Radiator Ventilation Self-Test Fault
Manifold Differential Pressure Actuator 1 Circuit