B13C3 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B13C3 – LF Control Unit
B13C3 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B13C3 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
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.