B1081 MERCURY - Temperature Damper Motor Circuit
B1081 MERCURY Possible Causes
- Faulty Temperature Damper Motor
- Temperature Damper Motor harness is open or shorted
- Temperature Damper Motor circuit poor electrical connection
- Faulty Heating, Ventilation, and Air Conditioning (HVAC) Module
How do I fix code B1081 MERCURY?Check 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.
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B1081:12 - Left Temperature Damper Motor: Circuit Short to Battery
B1081:13 - Left Temperature Damper Motor: Circuit Open
Cost of diagnosing the B1081 MERCURY code
Labor: 1.0The cost of diagnosing the B1081 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B1081 MERCURY Descriptiono rotate the temperature blend door actuator, the Heating, Ventilation, and Air Conditioning (HVAC) module supplies voltage and ground to the temperature blend door actuator through the door actuator motor circuits. To reverse the temperature blend door actuator rotation, the HVAC module reverses the voltage and ground circuits.
The temperature blend door actuator feedback resistors are supplied a ground from the HVAC module by the temperature blend door actuator return circuits and a 5-volt reference voltage on the temperature blend door actuator reference circuits. The HVAC module reads the voltage on the temperature blend door actuator feedback circuits to determine the temperature blend door actuator position by the position of the actuator feedback resistor wiper arm.
During an actuator calibration cycle, the HVAC module drives the temperature blend door until the door reaches both internal stops in the HVAC case. If the temperature blend door is temporarily obstructed or binding during a calibration cycle, the HVAC module may interpret this as the actual end of travel for the door. When this condition occurs and the HVAC module commands the actuator to its end of travel, the airflow may not be the expected temperature.
More InformationNeed more information on how to fix the B1081 MERCURY code?
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