P1004 BMW Valvetronic Eccentric Shaft Sensor Guide

Possible causes
– Faulty valvetronic eccentric shaft sensor
– Valvetronic eccentric shaft sensor harness is open or shorted
– Valvetronic eccentric shaft sensor circuit poor electrical connection
– Missing reluctor on valvetronic eccentric shaft sensor
When is the code detected?
Valvetronic eccentric shaft guiding sensor solenoid loss bank 1
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)