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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Automatic Transaxle System Diagnosis - 2.0L (Except HEV)) >> DTC P0867-F1: Transmission Fluid Pressure >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Trouble shooting Prerequisite condition Possible Cause
Main action
  • Pressure system rationality
  1. Open/Short in circuit
  2. Faulty driven pulley pressure sensor
  3. Faulty hydraulic system
Prerequisite condition
  • Battery voltage is higher than 10V
  • Engine speed is higher than 350 RPM
  • No CAN error
  • Solenoid condition "ON"
  • Torque signal state (from engine) is normal
  • Pulley safety torque change "ON"
  • APS is lower than 0%
  • Lever Position "P"
  • Brake "Off"
  • Vehicle speed by secondary pulley speed sensor is higher than 20 km/h
  • Line pressure of HW is higher than target secondary pressure
  • Secondary pulley speed is 0 RPM
Threshold Value
  • Deviation between target secondary pulley press and current secondary pulley press is higher than 7 bar
Detecting Time
  • 6 sec
MIL ON Condition
  • 2 driving cycles
Fail safe
  • Limited learning
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