B13C3 MAZDA – LF Control Unit

B13C3 MAZDA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B13C3 MAZDA Possible Causes

Faulty LF Control Unit,LF Control Unit harness is open or shorted,LF Control Unit circuit poor electrical connection,Faulty Start Stop Unit

B13C3 MAZDA Description

With the communication between the start stop unit and LF control unit being performed normally, there is no response from the LF control unit even though there is the signal transmission request from the start stop unit to the LF control unit, and the LF state signal becomes low.