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DTC Description

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.

B1604-00 is set when P-CAN/B-CAN Communication is normal, but CGW* cannot receive P-CAN/B-CAN message from BCM* for 10sec because there is Faulty Power Supply to BCM*, or Open/Poor Connection in High line/Low line of BCM* Branch Circuit of P-CAN/B-CAN Network.

If the DTC still appears even if the problem is corrected and the system operates normally, perform "Vehicle S/W Management  " → "Erase Network Configuration", and erase the DTC.

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