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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC P0605: 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
  • Internal Monitoring
  1. ROM data reprogram illegally
  2. Faulty PCM
Enable Conditions
  • Ignition "ON"
  • Normal Battery Voltage
Threshold value
  • Checksum Fault or PCM Internal Failure
Fail safe
  • 4th Gear Hold, Manual Shift is not allowed
Detecting Time
  • First Event
MIL ON Condition
  • 1st Driving Cycle
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