P0555
Brake Booster Pressure Sensor Circuit
P0555 is an OBD-II diagnostic trouble code meaning: Brake Booster Pressure Sensor Circuit. Common causes: open or short circuit in the sensor wiring harness, malfunction of the pressure sensor itself. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Hard brake pedal
- Reduced braking performance
- Unstable idle
- Dips during acceleration
Causes
- Open or short circuit in the sensor wiring harness
- Malfunction of the pressure sensor itself
- Poor contact in the sensor connector
- Problems with the vacuum brake booster
- Engine ECU malfunction (rare)
How to Fix
- Check wiring harness for damage
- Inspect the sensor connector for oxidation or poor contact.
- Check sensor resistance and reference voltage
- Replace brake booster pressure sensor
- Protest affectionate work of wuxi所й善 brakes efter repair
Related codes
Error P0555 by Vehicle Brand
FAQ
What does the P0555 code mean?
P0555 is an OBD-II diagnostic trouble code that indicates: Brake Booster Pressure Sensor Circuit
What causes a P0555 error code?
The most common causes of P0555 include: Open or short circuit in the sensor wiring harness; Malfunction of the pressure sensor itself; Poor contact in the sensor connector; Problems with the vacuum brake booster.
How do I fix a P0555 diagnostic trouble code?
To fix P0555: Check wiring harness for damage. Inspect the sensor connector for oxidation or poor contact.. Check sensor resistance and reference voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0555?
Yes, but get it checked soon
How much does it cost to fix P0555?
The estimated repair cost for P0555 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat