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Home >> Kia >> 2020 >> Optima S >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Integrated Gateway Power Module Diagnosis) >> DTC B164D-00: CAN Time-Out WPC >> DTC Information And Inspection >> DTC Setting Condition
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DTC Setting Condition

WARNING: This page is about a different car, the 2020 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Trouble Shooting Condition Possible Cause
Main Action
  • Check CAN communication
  1. Open/Poor Connection in WPC*'s B-CAN "High" line
  2. Open/Poor Connection in WPC*'s B-CAN "Low" line
  3. Faulty Power Supply to WPC*
Prerequisite Condition
  • IG key "ON"
  • Power Voltage: Between 9V and 16V
  • B-CAN bus is normal
Threshold Value
  • WPC*'s B-CAN message is not received
Diagnosis Time
  • 10 sec
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