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Home >> Hyundai >> 2016 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Automatic Transaxle System Diagnosis) >> DTC P0601: Internal Control Module Memory Check Sum Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2016 Hyundai Elantra GT and 2015 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • ROM checksum error
  • ROM data reprogram illegally
  • PCM
Enable Conditions
  • Ignition "ON"
  • Battery voltage > 10V
Threshold value
  • Checksum error or PCM fault
Detecting Time
  • 1event
Fail safe
  • Locked into 4th gear