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Home >> Hyundai >> 2021 >> Palisade SE, FWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> SBW Control Unit Diagnosis >> DTC P28EA-71: Shift Motor Position Sensor Circuit Range/Performance >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
DTC Strategy
  • Circuit Malfunction
  1. Poor connection
  2. Faulty SBW actuator
  3. Faulty SCU
Enable Condition
  • Battery voltage is above 10V
  • Motor related errors is not detected
  • Position sensor and encoder should be normal
Threshold Value
  • If the difference between the position sensor signal value and the previous value is less than 1%
  • Motor speed is less than 200 RPM
  • Motor current is more than 5A
    • In the above condition, if the ASW internal variable is more than 0.2 seconds
Detecting Time
  • More than 1 sec
Fail Safe
  • Before DTC determination: keep previous signal
  • After DTC determination
    • Maintain current stage, display SBW system warning message when requesting D/n/r stage
    • P-level request: EPB signing request/parking warning
MIL ON Condition
  • 2 driving cycles