Open in Bus 4 Main Bus Line [08/2020 - ]: Description

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There may be a short circuit between the CAN main bus wire and/or CAN branch lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω.

Symptom	Trouble Area
Resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is below 54 Ω.	Open in CAN main bus wire Central gateway ECU (network gateway ECU) Airbag ECU assembly No. 1 CAN junction connector No. 4 CAN junction connector No. 6 CAN junction connector

This malfunction is not related to the lines of a CAN branch or to ECUs or sensors connected to a CAN branch.