B2327 - Mirror Driver Vertical Feedback Potentiometer Circuit Short to Ground
B2327 Possible Causes
- Faulty Driver Exterior Mirror
- Driver Exterior Mirror harness is open or shorted
- Driver Exterior Mirror circuit poor electrical connection
- Faulty Driver Exterior Mirror Control Switch
- Faulty Driver Door Module (DDM)
- Faulty Driver Seat Module (DSM)
First diagnose B2327 code
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 terminals.
Cost of diagnosing the B2327 code
Labor: 1.0The cost of diagnosing the B2327 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.
B2327 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2327 DescriptionUnder normal operation, the exterior mirror control switch receives power and ground from the circuit. The exterior mirror control switch uses circuits to send input signals to the Driver Door Module (DDM). The DDM controls the Left (LH) exterior mirror motor movement by supplying the appropriate power and ground to circuits. The DDM communicates with the Driver Seat Module (DSM) through the Medium-Speed Controller Area Network (MS-CAN) whenever the DDM receives an input signal from the exterior mirror control switch for the Right (RH) mirror. The DSM controls the RH exterior mirror motor movement by supplying the appropriate power and ground.
The memory mirror system uses feedback potentiometers, located in the LH and RH exterior mirrors, in order to track the movement of the LH and RH exterior mirror motors. The DDM supplies the LH and RH exterior mirror feedback potentiometer reference voltage and ground through circuits. The DDM receives feedback from the LH and RH exterior mirror feedback potentiometer through left/right and up/down circuits.
B2327 More InformationNeed more information on how to fix the B2327 code?
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