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Home >> Genesis >> 2021 >> G80 2.5T Advanced, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (5 Of 6) >> DTC P0638-85: Throttle Actuator Control Range-Performance (Bank 1) >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy Case 1
  • TPS position learning condition check
  1. Poor connector connection
  2. Faulty TPS1 or TPS2 Sensor
  3. Faulty ETC Motor
Case 2
  • ETC limp home position check
Case 3
  • ETC position value check
Enable Condition
  • No throttle position learning
Threshold Value Case 1
  • Inability to study due to dissatisfaction with the TPS learning condition
Case 2
  • Difference between the TPS sensor and the limp home set point voltage is more than 0.4V
Case 3
  • TPS1 signal voltage is less than 0.36V and TPS2 signal line is more than 4.46V
  • TPS1 signal voltage is less than 0.16V and TPS2 signal line is more than 4.26V
Diagnostic Time
  • 0.01 seconds
MIL ON Condition
  • 1 driving cycle