1.1.3.4.1.8. Steering column module
Warning!Communication with ECU required.
2. Chassis CAN bus
Warning!Communication with ECU required.
3. Central CAN bus
Warning!Communication with ECU required.
4. CAN communication is faulty.
Test 4.1: Check the CAN communication with control unit A1 (Instrument cluster).
4.1. Check the CAN communication with control unit A1 (Instrument cluster).
Test 4.1.1: Check the CAN communication with control unit.
4.1.1. Check the CAN communication with control unit.
Warning!Communication with ECU required.
Part 1
One or more signals sent from control unit Traction systems via the CAN bus is implausible.
Possible cause:
- N47-5 (ESP control unit)
Affected functions:
- Electronic stability program ESP
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Test 1: Engine compartment CAN test
Test 2: Check component N47-5 (ESP control unit).
1. Engine compartment CAN test
Test 1.1: Engine compartment CAN test
1.1. Engine compartment CAN test
Test 1.1.1: Procedure in case of CAN faults
Test 1.1.2: Read current CAN configuration and CAN fault codes
Test 1.1.3: Further CAN test options
1.1.1. Procedure in case of CAN faults
Test 1.1.1.1: How do I quickly reach my goal?
Test 1.1.1.2: General test information
Test 1.1.1.3: General CAN fundamentals
Test 1.1.1.4: Possible aids and their usage
1.1.1.1. How do I quickly reach my goal?
How do I quickly reach my goal?First call up menu item 'Evaluation of CAN fault codes' in case of CAN timeout fault codes and communication
errors.The resulting tests must be performed.Menu item 'Further CAN test options' should only be called up if the above-specified tests do not
produce the desired result.Note:Menu item 'General test information' can be called up for an explanation of the different CAN fault types.
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