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Home >> Hyundai >> 2021 >> Elantra SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Dual Clutch Transmission Diagnosis - 1.6L (Except HEV) (1 Of 3)) >> DTC P074F-07: Gear Dropped Out Gear 7 >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Trouble Shooting Condition Possible Cause
DTC Strategy
  • Monitoring speed difference between input speed sensor and calculated input speed based on wheel speed sensor
  1. Faulty DCT
  2. Fault 7th gear ratio
Enable Condition
  • No failure on input speed sensor1, wheel speed sensor and CAN 1 during driving in 7th gear
Threshold Value
  • Input speed sensor1 value - wheel speed sensor value * gear ratio * tire radius greater than MAX (400, 0.15 * wheel speed sensor value * gear ratio * tire radius)
Detecting Time
  • 5 times per second
Fail Safe
  • Drive at Odd gear (1/3/5/7)
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