P0558
Brake Booster Pressure Sensor Circuit High Voltage
Generic code
Vehicle Speed and Idle Control System
High severity
Moderate repair
Free on OBD DashX
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What P0558 means
- The fault code P0558 indicates that the brake booster pressure sensor is sending a signal that is too high to the Engine Control Module (ECM), indicating a potential issue with the power steering system.
Possible symptoms
- Hard brake pedal or increased brake pedal effort
- Brake system malfunction
- ABS (Anti
- lock Braking System) or ESC (Electronic Stability Control) warning lights illuminated
- Check Engine Light (CEL) illuminated
Possible causes
- Faulty brake booster pressure sensor
- Open or short circuit in the brake booster pressure sensor circuit
- Poor electrical connection in the brake booster pressure sensor circuit
- Faulty brake booster control module
- Faulty engine control module (ECM)
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
- Test and replace the faulty brake booster pressure sensor, if necessary
- Check for any open or short circuits in the brake booster pressure sensor circuit and repair as needed
- Ensure proper electrical connections in the brake booster pressure sensor circuit
- Test and replace the brake booster control module if it is determined to be faulty
- Test and replace the engine control module (ECM) if it is determined to be faulty
Free on OBD DashX
P0558 on OBD DashX
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