P10E4 BMW – Valvetronic Relay Supply Voltage Circuit/Open

P10E4 BMW Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P10E4 BMW Possible Causes

Faulty Valvetronic Relay,Valvetronic Relay harness is open or shorted,Valvetronic Relay circuit poor electrical connection

P10E4 BMW Description

The Engine Control Module (ECM) monitors the Valvetronic Relay. The ECM sets the OBDII code when the Valvetronic Relay is not to factory specifications.