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Home >> Hyundai >> 2012 >> Equus Signature >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis >> DTC P0601: Internal Control Module Memory Check Sum Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • ROM checksum error
  1. ROM data reprogram illegally
  2. PCM/TCM
Enable Conditions
  • Ignition "ON"
  • Battery voltage > 10V
Threshold value
  • Checksum error or PCM/TCM fault
Detecting Time
  • 1event
Fail safe
  • Locked into 4th gear
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