P1631 Mazda Communication Error Between From ECM To VSC
Possible causes
– Skid Control ECU / Engine Control Module (ECM) harness is open or shorted
– Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection
– Faulty Skid Control ECU
– Faulty Engine Control Module (ECM)
– Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection
– Faulty Skid Control ECU
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1631 Mazda Description
The Skid Control Electronic Control Unit (ECU) sends signals such as cruise control cancel demand signals and brake operation demand from Engine Control Module (ECM) response signals to the ECM when the cruise control system is in operation.
Mazda Vehicle:Mazda B-Series, Mazda CX-7,Mazda CX-9,Mazda MAZDA2,Mazda MAZDA3,Mazda MAZDA5,Mazda MAZDA6,Mazda Miata MX-5,Mazda RX-8,Mazda Tribute,Mazda RX-8,Mazda MX-5,Mazda CX-9,Mazda Atenza,Mazda Axela,Mazda Tribute,