Hands Free Liftgate Sensor Module
Table of contents
B323C CADILLAC Possible Causes
- Faulty Hands Free Liftgate Sensor
- Hands Free Liftgate Sensor harness is open or shorted
- Hands Free Liftgate Sensor circuit poor electrical connection
- Faulty Hands Free Liftgate Sensor Control Module
How do I fix code B323C CADILLAC?
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.
Tech Notes
- B323C 39 Hands Free Liftgate Sensor Module Internal Hardware Failure
- B323C 42 Hands Free Liftgate Sensor Module Invalid Calibration Set
Cost of diagnosing the B323C CADILLAC code
The cost of diagnosing the B323C CADILLAC 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B323C CADILLAC Description
The power liftgate has a feature that detects the motion of a foot under the rear fascia, this allows the operator to open the liftgate when his or her hands are full of packages. As an indicator that the action has been properly preformed, the liftgate hands-free sensor control module will send a serial data message to the liftgate control module to command the liftgate to release and power open and the liftgate control module will send a serial data message to the body control module to command the tail lights to flash 3 times. The Diagnostic Trouble Code (DTC) sets when the liftgate control module detects the calibration files in the hands-free liftgate sensor control module does not match the calibration files contained within the Liftgate Sensor Control Module.