Chassis
generic / SAE
C052B
ABS Pump Motor Control Range/Performance
ABS pump motor does not respond to control signals as expected — motor may be sluggish, locked or drawing abnormal current.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / 2B
Possible causes
- Pump motor failed high
- Sensor element aged beyond calibration window low
- Sensor mounting loose - signal damping 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: 400–2500 €
- Estimated time: 2–6 h
- Component: abs pump motor
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012