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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Air Conditioning System Diagnosis) >> DTC B1687-88: Engine Coolant Temperature Sensor Fault - CAN Signal >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
Main action
  • Monitor CAN signal reception
  1. Open/short in CAN communication circuit
  2. Engine coolant temperature sensor
  3. Engine ECM system
Prerequisite Condition
  • Turn the ignition switch ON
Threshold value
  • A CAN signal has not been received for 1.5 sec. or it sends an error value
Fail safe
  • Set the temperature to 90°C
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