B13C3 MAZDA - LF Control Unit
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
How do I fix code B13C3 MAZDA?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
DTC B13C3-09: LF CONTROL UNIT MALFUNCTION
DTC B13C3-16: LF CONTROL UNIT POWER SUPPLY VOLTAGE LOW INPUT
DTC B13C3-29: COMMUNICATION ERROR BETWEEN STRAT STOP UNIT AND LF CONTROL UNIT
Cost of diagnosing the B13C3 MAZDA code
Labor: 1.0The cost of diagnosing the B13C3 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B13C3 MAZDA DescriptionWith 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.
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