Brake Lining Wear Sensor

Where it lives

For C004A, the part to look at first is the sensor named here.

Check these first

• A faulty brake lining wear sensor
• An open or short in the brake lining wear sensor harness
• A poor electrical connection at the sensor connector

What to do next

1. Read the brake lining wear sensor value on a scan tool
2. Inspect the sensor connector and wiring for damage
3. Test the wear sensor circuit for open and short faults
4. Replace the brake lining wear sensor if the reading stays wrong
5. Clear the code and retest

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