C0087
Master Cylinder Pressure Sensor Circuit High
2002-2003 BMW X5 4.6is E53 4.6L V8
Moderate SeverityChassisGeneric (SAE)
Description
High voltage from the master cylinder brake pressure sensor circuit.
Symptoms
- ABS light on
- Brake system warning
- Stability control fault
- False high-pressure reading
Common Causes
- Signal wire open or shorted to voltage
- Faulty pressure sensor
- Connector corrosion
- Reference voltage issue
Diagnostic Steps
- Test sensor signal voltage with brake released and applied
- Check for open circuits in signal wire
- Inspect connector for corrosion
- Verify reference voltage at sensor
Repair Notes
Repair wiring or replace brake pressure sensor.
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
C0087 on Other Vehicles
Common Questions
What does code C0087 mean on a 2002-2003 BMW X5 4.6is E53?
C0087 stands for "Master Cylinder Pressure Sensor Circuit High". High voltage from the master cylinder brake pressure sensor circuit.
What are the symptoms of C0087 on a BMW X5 4.6is E53?
Common symptoms of C0087 include: ABS light on, Brake system warning, Stability control fault, False high-pressure reading.
What causes C0087 on a 2002-2003 BMW X5 4.6is E53?
Common causes of C0087 include: Signal wire open or shorted to voltage, Faulty pressure sensor, Connector corrosion, Reference voltage issue.