Start by checking 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.
The cost to diagnose the B13D4 Mazda code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
The Start Stop Unit monitors the Remote Transmitter. The Start Stop Unit sets the OBDII code when an Insufficient number of remote transmitters programmed.
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Get the B13D4 Mazda code diagnosed by a professional: Find a repair shop in your area