Open in Bus 4 Main Bus Line [11/2017 - 09/2020]: Description

There may be an open circuit in one of the CAN main bus lines and/or a central gateway ECU (network gateway ECU) branch line when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.

Symptom	Trouble Area
Resistance between terminals 22 (CA2H) and 7 (CA2L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher.	CAN main bus lines or connector Central gateway ECU (network gateway ECU) branch lines or connector Skid control ECU (brake actuator assembly) No. 7 CAN junction connector No. 11 CAN junction connector No. 13 CAN junction connector No. 3 CAN junction terminal

This malfunction is not related to the lines of a CAN branch except the central gateway ECU (network gateway ECU) branch lines or to ECUs or sensors connected to a CAN branch.