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 P0AD1 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 Engine Control Module (ECM) monitors the Hybrid Battery Pack Cooling Fan 3 Circuit. The ECM sets the OBDII code when the Hybrid Battery Pack Cooling Fan 3 Circuit signal is out of factory specifications.
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