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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs/Esp Diagnosis (PHEV) (2 Of 4) >> DTC C1379-02: Invalid Pedal Signal Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor brake PTS
  • Poor connector connection
  • Open or short of brake pedal travel sensor circuit
  • Faulty brake PTS
  • Faulty IEB module
Enable Condition
  • Ignition "ON"
  • Auxiliary battery normal voltage (6.5 to 19V)
Threshold Value Case 1
  • When pedal signal change below 5 mm during calibration signal below 5 mm in non control if all of below conditions are true for more than 500 ms
  • If more than 2 of below conditions are true for more than 1500 ms when vehicle driving
    • PSP pressure is over 15 bar and amount of change is over 10 bar
    • Circuit pressure is over 15 bar and amount of change is over 10 bar
    • BLS signal "ON"
Case 2
  • Maintain pedal signal is over 20 mm more than 300s
  • If all of below conditions are true
  • If conditions (1) to (3) (condition (3) is true 2 times) are true
  • If conditions (1) and (3) (condition (3) is true 5 times) are true
    1. Maintain pedal signal over 20 mm when accelerator pedal "ON" is more than 3s
    2. PSP pressure is below 0.5 bar and pedal signal is over 20 mm is more than 1s
    3. Maintain pedal signal over 20 mm during vehicle speed increase more than 10 kph
    4. Maintain pedal signal over 20 mm when BLS signal "OFF" status are more than 3s
Case 3
  • If all of below conditions are true more than 15 times
    • Different pedal increment direction compared to the previous cycle
    • Pedal signal amount of change over 10 mm occur 6 times within 100 ms
Warning Lamp
  • IEB, RBS, CHECK BRAKE
Disable Condition
  • Ignition "OFF" and then "ON" and brake released 1s and pressed 1s