C0063
ABS Pump Motor Circuit Open
2001-2003 BMW 525iT E39 2.5L I6 🇨🇦
High SeverityChassis
Description
Open circuit detected in the ABS pump motor wiring or motor winding.
Symptoms
- ABS light on
- ABS pump does not run at all
- Complete ABS failure
- Hard brake pedal during ABS demand
Common Causes
- Broken wire to pump motor
- Pump motor winding open
- Blown pump motor fuse
- Corroded connector
Diagnostic Steps
- Check pump motor fuse
- Test continuity of pump motor circuit
- Inspect pump motor connector
- Test motor winding resistance
Repair Notes
Repair open circuit or replace ABS pump motor assembly.
Related Codes
Other Chassis Codes
- C0021LF Wheel Speed Sensor Range/Performance
- C0022RF Wheel Speed Sensor Range/Performance
- C0023LR Wheel Speed Sensor Range/Performance
- C0024RR Wheel Speed Sensor Range/Performance
- C0025LF Wheel Speed Sensor Circuit Intermittent
- C0026RF Wheel Speed Sensor Circuit Intermittent
- C0027LR Wheel Speed Sensor Circuit Intermittent
- C0028RR Wheel Speed Sensor Circuit Intermittent
- C0035Left Front Wheel Speed Sensor Circuit
- C0036Left Front Wheel Speed Signal Erratic
C0063 on Other Vehicles
Common Questions
What does code C0063 mean on a 2001-2003 BMW 525iT E39?
C0063 stands for "ABS Pump Motor Circuit Open". Open circuit detected in the ABS pump motor wiring or motor winding.
What are the symptoms of C0063 on a BMW 525iT E39?
Common symptoms of C0063 include: ABS light on, ABS pump does not run at all, Complete ABS failure, Hard brake pedal during ABS demand.
What causes C0063 on a 2001-2003 BMW 525iT E39?
Common causes of C0063 include: Broken wire to pump motor, Pump motor winding open, Blown pump motor fuse, Corroded connector.