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 B15C6 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.
If vehicle movement (10 km/h (6 mph) or more for 10 seconds) is detected based on the location data sent from the Radio Receiver Assembly even when the Data Communication Module (DCM) (Telematics transceiver) detects that the ignition switch is off, this Diagnostic Trouble Code (DTC) will be stored.
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