OBD-II code · Chassis
C0111 ABS Activation Excessively Long
ABS regulation has been active longer than the allowed duration during a single brake event, suggesting a sensor or hydraulic problem.
Is it safe to drive with C0111?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- PossibleExtreme low-friction road condition
- PossibleHydraulic block internal leak
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- ABS Control Module, ABS Hydraulic Block, Wheel Speed Sensors
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.