Error code

OBD2 P0558

OBD2P0558
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Brake Booster Pressure Sensor Circuit High Input.

Severity

moderateCan drive, but should be addressed soon as it may affect braking performance.

Summary

P0558 indicates that the brake booster pressure sensor circuit has an abnormally high input voltage, which could be due to wiring issues or problems with the sensor itself. This issue is located in the brake system.

Common Causes

  • Wiring short to positive
  • Faulty brake servo pressure sensor

Fixes

  • Inspect and repair wiring issues or replace the brake servo pressure sensor.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.