Ford P0657 OBD-II Trouble Code Definition:
P0657 Actuator Supply Voltage A Circuit Open
P0657 Ford OBD-II Trouble CodeDescription:
OBD Trouble Code P0657
Actuator Supply Voltage “A” Circuit/Open
What does the code mean? OBD-ii Code P0657 definition:
The ECM continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self?check insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.
The ECM continuously monitors its internal memory status, internal circuits, and output signals to the throttle actuator. This self?check insures that the ECM is functioning properly. If any malfunction is detected, the ECM will set the code and illuminate the engine light.
Symptoms Sumptoms of OBD code P0657
– Engine Light ON (or Service Engine Soon Warning Light) – Engine may not start
– Engine Light ON (or Service Engine Soon Warning Light) – Engine may not start
Causes Causes of the OBD-II code P0657
– ECM Harness power supply circuit is open or shorted – ECM Programing – Faulty ECM The Error code is generally activated on detection of the following conditions: Indicates the ECM has experienced an internal memory fault.
– ECM Harness power supply circuit is open or shorted – ECM Programing – Faulty ECM The Error code is generally activated on detection of the following conditions: Indicates the ECM has experienced an internal memory fault.
Solutions – Resecure ECM connectors – Reprogram ECM – Replaced ECM