CAR OBD CODES

P0657 OBD Code Definition:
P0657 Actuator Supply Voltage A Circuit Open
P0657 OBD Code Description:

OBD2 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. Symptoms

Possible sumptoms of P0657
– Engine Light ON (or Service Engine Soon Warning Light) – Engine may not start Possible Causes

Possible causes of 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. Possible Solutions

– Resecure ECM connectors – Reprogram ECM – Replaced ECM
Note: The information on the P0657 error code is purely informative, if you need more useful information, please consult your technician.