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Home >> Hyundai >> 2021 >> Ioniq Plug-In Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (2 Of 3) >> DTC P0605: Internal Control Module Read Only Memory (ROM) Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check (The internal ROM check)
  1. Poor connection
  2. ECM
Enable Conditions
  • IG ON
Threshold Value
  • Check sum fault (ROM)
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 Drive Cycle
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