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Home >> Kia >> 2023 >> EV6 GT-Line, RWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> Troubleshooting >> Problem Symptoms Table

Problem Symptoms Table

Symptom Suspect Area
ESC does not operate. Only when 1 - 4 are all normal and the problem is still occurring, replace the IEB.
  1. Check the DTC reconfirming that the normal code is output.
  2. Power source circuit.
  3. Speed sensor circuit.
  4. Check the hydraulic circuit for leakage.
ESC does not operate intermittently. Only when 1 - 4 are all normal and the problem is still occurring, replace the ESC actuator assembly.
  1. Check the DTC reconfirming that the normal code is output.
  2. Wheel speed sensor circuit.
  3. Stop lamp switch circuit.
  4. Check the hydraulic circuit for leakage.
Communication with KDS is not possible. (Communication with any system is not possible)
  1. Power source circuit
  2. CAN line
Communication with KDS is not possible. (Communication with ESC only is not possible)
  1. Power source circuit
  2. CAN line
  3. IEB
When ignition is turned ON (engine OFF), the ESC warning lamp does not light up.
  1. ESC warning lamp circuit
  2. IEB
Even after the engine is started, the ESC warning lamp remains ON.
  1. ESC warning lamp circuit
  2. IEB
CAUTION: During ESC operation, the brake pedal may vibrate or may not be able to be depressed. Such conditions are due to intermittent changes in hydraulic pressure inside the brake line to prevent the wheels from locking and is not an abnormality.
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