C0130moderate severityChassis
Brake Pad Wear Sensor Circuit Front
on 2014 Chevrolet Spark EV Electric Motor · FWD
What this code means
The front brake pad wear sensor circuit indicates a fault or that pads have reached minimum thickness.
Symptoms
- Brake pad warning light
- Service brakes message on dash
- Grinding noise from front brakes
Common causes
- Front brake pads worn to minimum
- Wear sensor wire broken or chafed
- Sensor connector disconnected during service
- Sensor embedded in pad consumed by wear
Diagnostic steps
- Check front brake pad thickness visually
- Inspect wear sensor wire for damage
- Check sensor connector
- Measure pad thickness with calipers
- Compare both front pad sets
Repair notes
Replace front brake pads and wear sensors. Sensors are typically one-time use.
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