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Home >> Kia >> 2009 >> Rio Base, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs (Anti-Lock Brake System) >> DTC C1604 Ecu Hardware Error >> Component Inspection
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Component Inspection

  1. Ignition "OFF".
  2. Engine "ON".
  3. Does warning lamp remain On?

    YES 

    • Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.
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