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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC P0712: Transmission Fluid Temperature Sensor 'A' Circuit Low Input >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage Monitoring
  1. Poor Connector Connection
  2. Faulty Transmission Fluid Temperature Sensor Circuit
  3. Faulty Transmission Fluid Temperature Sensor
Enable Conditions
  • Battery voltage is above 10V
  • Engine speed is above 400 RPM
Threshold value
  • Transmission Fluid Temperature voltage less than 0.13V
Fail safe
  • Substituted by fixed value, 80°C (176°F)
Detecting Time
  • 5s
MIL ON Condition
  • 2 Driving Cycles
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