Chassis
generic / SAE
C0110
ABS Pump Motor Circuit Malfunction
The ABS control module has detected a fault in the hydraulic pump motor circuit. The pump rebuilds brake pressure during ABS regulation — without it, ABS and stability control are disabled.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number1 / 10
Possible causes
- ABS pump motor failed (worn brushes, seized) high
- ABS pump relay failed medium
- Power supply wiring or fuse fault low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–1500 €
- Estimated time: 1–4 h
- Component: abs pump motor
- Component: abs control module
- Component: abs relay
- Component: power supply wiring
Sources
References
sae:J2012