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Home >> Kia >> 2018 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (PHEV) >> DTC P0605-00: Internal Control Module Read Only Memory (ROM) Error >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy Case 1
  • Check RAM Area/communication connections
  1. Poor Connector Connection
  2. Faulty PCM
Case 2 * Level 3 monitoring (=Process monitoring)
Enable Condition
  • Ignition "ON"
Threshold Value Case 1
  • RAM test/Checksum/SPI communication failure
Case 2
  • RAM/ROM error on microcontroller checksum check communication between main controller and monitoring unit process monitoring test calculation failed
Diagnostic Time Case 1
  • 0.1
Case 2 * Immediate
MIL ON Condition
  • 1 Driving Cycle
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