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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy  
  • Voltage Monitoring
  
  1. External noise
  2. Faulty pressure sensor
Enable Conditions  
  • When the gradient of the sensor signal per 10 msec is larger than 15bar when any control is not activated
  • After normal operation of brake light switch, If the pressure sensor signal is higher than 15bar and brake light switch is low for 3 sec when any control is not activated, ECU detects the failure
  • During driving more than 40 km/h and stop 3 times, if master cylinder pressure is not changed, ECU detects the failure
Fail Safe  
  • Inhibit the ESP (ESC)/DBC/AVH control and allow the ABS/EBD/ESP control
  • The ESP (ESC)/DBC/AVH warning lamp are activated
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