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Home >> Kia >> 2012 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.0L >> DTC P0605: Internal Control Module Read Only Memory (ROM) Error >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Check RAM Area / Communication connections
  1. Contact resistance in connectors
  2. Faulty PCM
  3. Internal fault of PCM
  4. Faulty power supply to PCM
  5. Faulty IG ON power supply to PCM
Enable Conditions
  • Ignition ON
Threshold Value
  • RAM test / Checksum / SPI communication : failure
Diagnostic Time
  • 0.1 seconds
MIL On Condition
  • Immediate
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