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Home >> Genesis >> 2021 >> G80 2.5T Advanced, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis >> DTC P0721-00: Output Speed 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
  • Voltage Monitoring
  1. Poor connector connection
  2. Output speed sensor circuit
  3. Faulty output speed sensor
  4. Faulty TCM
Enable Conditions
  • Shift gear position: Forward gear condition
  • Battery voltage is above 10V
  • Engine speed is above 400 RPM
  • Vehicle speed is above 50 km/h (31 MPH)
Threshold Value
  • Vehicle speed equivalent to output speed is less then vehicle speed * 0.3 or higher than vehicle speed * 1.7 (ex. Less than 15 km/h (9 mph) or higher than 85 km/h (53 mph) when vehicle speed is 50 km/h (31 mph))
Detecting Time
  • More than 6 sec
MIL ON Condition
  • 2 driving cycles
Fail Safe
  • Gear fixed at current range
  • Manual gear shift from 2nd to 5th is allowed
  • Teaching/Fuzzy not allowed