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Home >> BMW >> 2004 >> 330Ci 2D Convertible, Automatic >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Electrical Control Systems - Overview >> E46 Driver Information >> Park Distance Control >> PDC Components

PDC Components

The PDC consists of the following components:

PDC CONTROL MODULE - Mounted in the trunk on the right side above the battery.

The PDC control module activates the ultrasonic sensors mounted in the rear bumper cover. After activation, the module monitors the signals coming back through the sensors. Through this signal, the control module is able to determine the distance to any object close to the bumpers of the vehicle. As the vehicle comes close to an object, the control module will activate the acoustic warning through the right rear audio system speaker.

FOUR ULTRASONIC SENSORS - Mounted in the rear bumper. The sensors are small transmitter/receiver modules that are specifically designed for automotive use. The sensors are limited to the following angles of monitoring: