9C24
Moderate9C24 — Left Inner Rear Bumper Sensor Fault (BMW E60)
Description
What Code 9C24 Means
Code 9C24 points to a fault in the left inner rear bumper sensor on the BMW E60. The Park Distance Control (PDC) system uses ultrasonic sensors to measure the distance to obstacles. Each sensor connects to the PDC control module, which processes the signals and passes the information to the driver. A failed sensor disrupts park distance operation.
Symptoms
Symptoms
- Continuous tone when reverse is engaged, or the sensors go completely silent.
- Yellow park distance indicator on the instrument cluster.
- Fault message in the onboard computer menu.
Causes and fixes
Diagnosis and Repair
- Check sensor resistance and wire integrity.
- If the multimeter shows an open circuit or a critical resistance change, replace the sensor.
- Check supply voltage at the control module connector and the ground.