P0559
Brake Booster Pressure Sensor Circuit Intermittent
P0559 is an OBD-II diagnostic trouble code meaning: Brake Booster Pressure Sensor Circuit Intermittent. Common causes: open or shorted wiring harness, poor contact in the sensor connector. Estimated repair cost: $33–111.
Symptoms
- Increased brake pedal travel
- Hard braking
- Check Engine Light Is On
- Activating the emergency brake system
Causes
- Open or shorted wiring harness
- Poor contact in the sensor connector
- Brake booster pressure sensor malfunction
- Damage to the vacuum brake booster
- Circuit Grounding Problems
How to Fix
- Visual inspection of the sensor wiring harness and connectors
- Checking resistance and continuity using a multimeter
- Testing the sensor signal with an OBD-II scanner
- Replacing the brake booster pressure sensor if necessary
- Checking the vacuum booster for leaks
Related codes
Error P0559 by Vehicle Brand
FAQ
What does the P0559 code mean?
P0559 is an OBD-II diagnostic trouble code that indicates: Brake Booster Pressure Sensor Circuit Intermittent
What causes a P0559 error code?
The most common causes of P0559 include: Open or shorted wiring harness; Poor contact in the sensor connector; Brake booster pressure sensor malfunction; Damage to the vacuum brake booster.
How do I fix a P0559 diagnostic trouble code?
To fix P0559: Visual inspection of the sensor wiring harness and connectors. Checking resistance and continuity using a multimeter. Testing the sensor signal with an OBD-II scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0559?
Limited driving only, diagnose soon
How much does it cost to fix P0559?
The estimated repair cost for P0559 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat