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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
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