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Home >> Genesis >> 2019 >> G70 2.0T Advanced, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis >> DTC P0721-00: Output Speed Sensor Circuit Range/Performance >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage monitoring
  1. Output speed sensor
  2. Poor connection
  3. TCM
Enable Condition
  • Battery voltage is higher than 10V
  • Engine speed is higher than 400 RPM
  • Vehicle speed is higher than 50 km/h (31 MPH)
  • Shift lever position in "D" or "Sports" (Forward gear)
Threshold Value
  • Vehicle Speed (OSS base) is lower than Vehicle Speed (WSS base) * 0.3
  • Vehicle Speed (OSS base) is higher than Vehicle Speed (WSS base) * 1.7
Detecting Time
  • 4 seconds
MIL illum.
  • 2 driving cycles
Fail Safe Condition
  • Limp Home Mode
    • 5th gear fixed
    • Sports mode 2 ↔ 3 ↔ 4 ↔ 5 possible
    • Teaching not allow