P0504 is set when brake main signal and redundant signal are operating in opposite order for 100sec.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Brake switch circuit is open or short 2. Faulty brake switch | |
Enable Conditions |
•
IG "ON" | ||
Threshold Value |
•
Brake switch circuit is open or short | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
NO | ||
•
Auto Cruise Control Restricted | |||
