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DTC code

C004A

Brake Lining Wear Sensor

Technical guide

reference — not individually verified

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Probable causes

high: Brake pads worn out

Diagnostic steps

Check the components involved: brake pads. Verify wiring and connectors before replacing any part. Job difficulty: medium. Typical European range — 80-500 EUR, 1-2 h. Reference values only.

Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.

AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.

0 confirmed cases on C004A

Nothing confirmed yet for this code. No guess is offered on purpose.

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