C0587
Brake Booster Motor A Position Sensor Circuit/Open
C0587 is an OBD-II diagnostic trouble code meaning: Brake Booster Motor A Position Sensor Circuit/Open. Common causes: open or shorted wiring harness, motor position sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Hard brake pedal
- Increased braking force
- The brake system fault light comes on
- Reduced braking performance
Causes
- Open or shorted wiring harness
- Motor position sensor malfunction
- Poor contact in connectors
- Damage to the brake booster control unit
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness and connectors
- Clean contacts from oxidation
- Check the resistance of the position sensor
- Replace sensor if necessary
- Scan the control unit for additional errors
Related codes
Error C0587 by Vehicle Brand
FAQ
What does the C0587 code mean?
C0587 is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor A Position Sensor Circuit/Open
What causes a C0587 error code?
The most common causes of C0587 include: Open or shorted wiring harness; Motor position sensor malfunction; Poor contact in connectors; Damage to the brake booster control unit.
How do I fix a C0587 diagnostic trouble code?
To fix C0587: Check the integrity of the wiring harness and connectors. Clean contacts from oxidation. Check the resistance of the position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0587?
Limited driving only, diagnose soon
How much does it cost to fix C0587?
The estimated repair cost for C0587 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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