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Home >> Hyundai >> 2012 >> Genesis 5.0 R-Spec >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 45 (Power Trunk Module Diagnosis) >> DTC B2458: Power Striker Motor and Switch Error >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Signal Voltage Check
  • Short to battery, short to ground, open or poor contact on Power Striker Motor circuit
  • Short to battery, short to ground, open or poor contact on Power Striker Switch circuit
  • Faulty motor
  • Faulty switch
  • Blown fuse
  • Faulty PTM

    (These troubles may lead the counter direction movement of the trunk lid)

Enable Conditions
  • IG ON
  • After trunk open, latch is repeated Lock/Unlock mechanically.
Threshold Value
  • In case of faulty Power Striker Motor
    • No work of the Power Striker Shaft
    • No change of the Power Striker Motor operating voltage
  • In case of faulty switch
    • No change of the Power Striker Motor Switch signal (Full Close/Pop-up)
    • Power Striker Shaft stops after repeats Up & Down around 3~4 times.
Diagnostic Time
  • Erase the present DTC in the moment of Wake-up after Sleep or trouble fixed. (The present DTC → The past DTC)
DTC Erasing Time
  • 3 times in sequential (Present DTC)
Limp Home Mode
  • It is available to operate by hand-operated (Except motor stuck)