P0555 Code - Brake Booster Pressure Sensor Circuit
Quick Answer
The P0555 code indicates a problem with the brake booster pressure sensor circuit in the vehicle. Common causes include Faulty brake booster pressure sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leaks in the brake booster system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0555 indicates Brake Booster Pressure Sensor Circuit.
- Common causes
- Common causes include Faulty brake booster pressure sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leaks in the brake booster system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0555 Description
The P0555 code indicates a problem with the brake booster pressure sensor circuit in the vehicle. The brake booster is a critical component of the braking system, as it amplifies the force applied to the brake pedal, making it easier to stop the vehicle. The pressure sensor in the brake booster helps monitor the amount of vacuum pressure in the brake system, ensuring that the brakes operate effectively.
Common Causes of P0555
- Faulty brake booster pressure sensor.
- Damaged wiring or connectors in the sensor circuit.
- Vacuum leaks in the brake booster system.
- Issues with the vehicle's computer system or software.
- Corrosion or debris affecting sensor performance.
Symptoms of P0555
- Illumination of the brake warning light on the dashboard.
- Reduced brake assist, requiring more effort to stop the vehicle.
- Spongy or soft brake pedal feel.
- Longer than usual stopping distances.
- ABS system may engage unexpectedly or more frequently.
How to Fix P0555
- Begin by diagnosing the specific cause of the P0555 code using a diagnostic scanner.
- Inspect the brake booster pressure sensor and its wiring for any damage or corrosion.
- Test the sensor's functionality and replace it if necessary.
- Check for any vacuum leaks in the brake booster system and repair as needed.
- Clear the error code from the vehicle's computer system and test drive to ensure the issue has been resolved.
Cost to Fix P0555
The cost of repairing a P0555 code related to the brake booster pressure sensor circuit can vary depending on the vehicle make and model, as well as the extent of the issue. On average, the parts for this repair can range from $50 to $200, while the labor costs may be around $100 to $300. It's important to factor in diagnostic time and any additional repairs that may be required. Overall, the total repair cost could range from $150 to $500. However, it's advisable to contact local auto repair shops for specific pricing in your area.
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Code P0555 Information for Specific Makes
- P0555 Infiniti — Brake Booster Pressure Sensor Circuit
- P0555 Nissan — Brake Booster Pressure Sensor Circuit
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