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 B157F 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.
With the ignition on. Radio Receiver Module (RRM) and Integrated Center Stack (ICS) active. The Diagnostic Trouble Code (DTC) set when the Integrated Center Stack (ICS) detects a closed switch for greater than 120 seconds.
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