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P1656 Diagnostic Trouble Code Discussion for August 2004

Wastegate Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1656
Help Request Posted
2000 Chevrolet Prizm 1.8L MIL Lamp on VIN: 1Y1SK5284Y
P1656: The PCM detects an open or a short in the CMP actuator solenoid control circuit. I followed the service procedure to inspect the CMP actuator circuit. When I directly energize the solenoid, the car stalls. I read the wrong resistance spec in the manual and replaced the CMP actuator solenoid believing that it was partially shorted, same pro...
August 09, 2004