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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 381 (Air Conditioning System Diagnosis) >> DTC B1238-13: Ambient Temperature Sensor Open (High) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage monitoring
  • Poor connector connection
  • Signal circuit open or short
  • 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
  • Control by replacing the 20°C (68°F)