Example 2:

The codes stored in the DTC memory enable you to establish that Control Module 2 has no connection to Control Modules 1 and 3.

Fig 1: Malfunction Messages In CAN Bus System - Example 2

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Fig 2: CAN Bus System Schematic - Example 2

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• Switch the ignition off.
• Disconnect the control modules linked via the bus lines and check whether there is a breakage in one of the bus lines.

• Change Control Module 2 if you are unable to find any malfunctions in the bus lines.
• Change Control Module 1 if you are unable to find any malfunctions in the bus lines.