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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Air Conditioning System Diagnosis (PHEV) (2 Of 2)) >> DTC B1687-88: Engine Coolant Temperature Sensor Fault - CAN Signal >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • CAN signal monitoring
  • Poor connector connection
  • CAN communication circuit
  • Faulty ECM
  • Faulty A/C control module
Enable Conditions
  • Ignition "ON"
Threshold Value
  • CAN signal is not received for 1s or error signal is received
Fail Safe
  • Engine coolant temperature value replaced by "90°C (194°F)"
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