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Home >> Kia >> 2020 >> Optima LX >> Repair and Diagnosis >> External Pages >> Different car >> Section 516 (Double Clutch Transmission Diagnosis - 1.6L (2 Of 4)) >> DTC P0901-78: Clutch 1 System Reference Position Failure >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Check the clutch reference
  • Faulty clutch actuator assembly
  • Clutch1 system reference position failure
Enable Condition
  • Battery voltage above 10V
  • Clutch actuator referencing strategy active
  • Engine operate signal on
Threshold Value
  • Actuator control duty less than -90%
  • Actuator current less than 5A
Diagnostic Time
  • More than 1 times
Fail Safe
  • Drive at even gear
MIL ON Condition
  • 2 driving cycles
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