P0657 Renault Actuator Supply Voltage A Circuit Open
Possible causes
– Faulty Engine Control Module (ECM)
– ECM harness is open or shorted
– ECM circuit poor electrical connection
– ECM Programming
– ECM harness is open or shorted
– ECM circuit poor electrical connection
– ECM Programming
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0657 Renault Description
The Transmission Control Moduel (TCM) has detected a voltage supply fault to the hydraulic control unit
Renault Vehicle:Renault Megane,Renault Clio,Renault Kangoo,Renault Laguna Coupe,Renault Master,Renault Twingo,Renault Twizy,Renault Symbol,Renault Koleos