OBD
C0081
ABS Malfunction Indicator
What it means
C0081 means ABS Malfunction Indicator.
Check these first
- Faulty ABS wheel speed sensors anywhere on the vehicle
- Low brake fluid level
- Failing ABS pump or modulator motor
- Faulty ABS module
- Damaged wiring to ABS components
What to do next
- Read ABS module codes to find the specific failed component
- Check brake fluid level and condition
- Inspect wheel speed sensors and their wiring
- Test the ABS pump and modulator operation
- Replace the failing ABS component identified by the module codes
Look up another code
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Updated
Generic SAE J2012 definition. Last updated 2026-09-25.