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Home >> Hyundai >> 2012 >> Genesis 4.6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Power Trunk Module Diagnosis) >> DTC B1621: ECU Check Sum Error >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Signal Voltage Check
  • Faulty PTM
Enable Conditions
  • IG ON
  • Engine running
Threshold value
  • PTM internal error
Diagnostic Time
  • Immediately (The present error)
DTC Erasing Time
  • Erase the present DTC in the moment of Wake-up after Sleep or trouble fixed. (The present DTC → The past DTC)
Limp Home Mode
  • It is available to operate by hand-operated.
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