P0687 Renault Engine Control Module Power Relay Control Circuit High
Possible causes
– Weak battery- Low voltage while cranking
– Faulty Engine Control Module (ECM) relay
– Blown ECM fuse
– Faulty ECM
– ECM harness is open or shorted
– ECM circuit poor electrical connection
– Faulty Engine Control Module (ECM) relay
– Blown ECM fuse
– Faulty ECM
– ECM harness is open or shorted
– ECM circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0687 Renault Description
The Engine Control Module (ECM) has detected a high voltage condition to the ECM.
Renault Vehicle:Renault Megane,Renault Clio,Renault Kangoo,Renault Laguna Coupe,Renault Master,Renault Twingo,Renault Twizy,Renault Symbol,Renault Koleos