OBD-II code · Chassis
C004A Brake Lining Wear Sensor
Brake lining wear sensor reports thin pads.
Is it safe to drive with C004A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBrake pads worn out
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Brake Pads
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.