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Home › Kia › 2012 › Optima Hybrid › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) - HEV › DTC P0605: Internal Control Module Read Only Memory-ROM Error › General Information › DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check RAM Area / Communication connections
  1. Contact resistance in connectors
  2. Faulty PCM
Enable Conditions
  • Ignition ON
Threshold Value
  • RAM test / Checksum / SPI communication: failure
Diagnostic Time
  • 0.1 second
MIL On Condition
  • Immediate
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