P0557 is set when brake booster pressure sensor signal outputs less than 200mV for 3sec. This DTC is due to brake booster pressure sensor signal circuit is short to ground.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. brake booster pressure sensor signal circuit is short to ground. 2. Faulty brake booster pressure sensor. | |
Enable Conditions |
•
IG "ON" | ||
Threshold Value |
•
Signal circuit is short to ground. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
NO | ||
