P0556

2017-10-10

Description:

  • The fault code P0556 indicates that there is an issue with the brake booster pressure sensor circuit, specifically with the circuit's range or performance. This may cause the braking system to malfunction or fail entirely.

Possible Symptoms:

  • Illuminated ABS warning light

  • Illuminated traction control warning light

  • Illuminated check engine light

  • Hard brake pedal or inconsistent brake pedal feel

  • Reduced braking efficiency

Possible Causes:

  • Malfunctioning brake booster pressure sensor

  • Wiring or connection issues in the circuit

  • Failed brake booster

Related Parts:

  • Brake Booster Pressure Sensor: Brake Booster Pressure Sensor measures the pressure in the brake line that provides extra braking power. Problems lead to inefficient braking and may cause accidents

Possible Solutions:

  • Replace the brake booster pressure sensor

  • Check and repair any damaged wiring or connections

  • Replace the brake booster if necessary

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