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Home >> Kia >> 2024 >> Telluride SX X-Line >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System Diagnosis >> DTC B1238-13: Ambient Temperature Sensor Open (High) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage monitoring
  • Wiring contact failure
  • Open or short to power in signal circuit
  • Faulty ambient temperature sensor
  • Faulty A/C control module
Enable Condition
  • Ignition "ON"
Threshold Value
  • Ambient temperature sensor voltage is higher than 4.9V for more than 4s
Fail Safe
  • Alternate control to 20°C (68°F)
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