ABS Pump Motor Stalled
The pump motor draws current but does not rotate. Self-test detects a stalled rotor and disables ABS and stability control.
Affected components
- Abs pump motor
- Abs hydraulic block
Common causes
- High likelihood: Pump mechanically seized
- Medium likelihood: Contaminated brake fluid blocking pump
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.