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 B15F8 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 Diagnostic Trouble Code (DTC) is stored when the temperature is higher or lower than the operation range of the Hard Disk Drive built into the Navigation ECU Sub-Assembly, and Hard Disk Drive read/write errors occur more than a specified number of times.
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