General Information

Engine Control
P0558 Brake Booster Pressure Sensor Circuit High - General Information

Component Location





General Description

Brake booster pressure sensor, installing on the brake booster, detects negative brake booster pressure in order to prevent abnormal braking from lack of negative pressure in brake booster.
In case that negative pressure lacks at idle start status, ECM release idle stop function(Engine start) in order to make proper negative pressure. If this DTC is set, No more idle stop functioning.

DTC Description

If sensor signal input is higher than 4.8V during 0.2 sec, ECM sets DTC P0558.

DTC Detecting Condition





Diagnostic Circuit Diagram