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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Integrated Gateway Power Module Diagnosis) >> DTC B1644-00: CAN Time-Out ACU >> 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.
Trouble Shooting Condition Possible Cause
Main Action
  • Check CAN communication
  1. Open/Poor Connection in SRSCM*'s P-CAN "High" line
  2. Open/Poor Connection in SRSCM*'s P-CAN "Low" line
  3. Faulty Power Supply to SRSCM*
Prerequisite Condition
  • IG key "ON"
  • Power Voltage: Between 9V and 16V
  • P-CAN bus is normal
Threshold Value
  • SRSCM*'s P-CAN message is not received
Diagnosis Time
  • 10 sec