LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (4 Of 6) (PHEV) >> DTC P0605-00: Internal Control Module Read Only Memory(ROM) Error >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
  • 0.1s.
Case 2
  • Immediate
MIL ON Condition
  • 1 Driving Cycle
scientia non olet · About LEMON Manuals