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 B1665 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 Driver Seat Module (DSM) monitors the Seat Driver Forward/Backward Motor. The DSM sets the OBDII code when the Seat Driver Forward/Backward Motor is not to factory specifications.
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Get the B1665 code diagnosed by a professional: Find a repair shop in your area