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Home › Hyundai › 2004 › Accent Base › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) › DTC Troubleshooting Procedures › DTC P0605: Internal Control Module Read Only Memory (ROM) Error › DTC Description

DTC Description

PCM sets DTC P0605 when it detects ROM with other CHECK-SUM is built into the PCM.

DTC DETECTING CONDITION 

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
Monitoring Strategy
  • Internal control module check
  • Faulty PCM
Threshold value
  • Check sum fault (ROM)
Enable Conditions
  • PCM H/W modification required
Diagnostic Time
  • Once/driving
Fail Safe
  • None
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