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Home >> Kia >> 2009 >> Optima SX, 2.7 4 >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs (Anti-Lock Brake System) >> Troubleshooting >> Communication With Scan Tool Is Not Possible (Communication With ABS Only Is Not Possible) >> Detecting Condition

Detecting Condition

DETECTING CONDITION

Trouble Symptoms Possible Cause
When communication with Hi-Scan (pro) is not possible, the cause may be probably an open in the HECU power circuit or an open in the diagnosis output circuit.
  • An open in the wire
  • Faulty HECU
  • Faulty power source circuit
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