2. Check component A7/3n1 (SBC control unit).
Read and process fault code from control module A7/3n1 (SBC control unit).
Possible cause and remedy
- Read and process fault code from control module A7/3n1 (SBC control unit).
End of test
Part 1
CAN bus OFF : Short circuit Engine CAN bus
Possible cause:
- CAN controller: CAN bus OFF
Affected functions:
- CAN Communication
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Test 1: A guided test is not available at present.
Test 2: Engine compartment CAN test
1. A guided test is not available at present.
Note:A guided test is not available at present.
2. Engine compartment CAN test
Test 2.1: Engine compartment CAN test
2.1. Engine compartment CAN test
Test 2.1.1: Procedure in case of CAN faults
Test 2.1.2: Read current CAN configuration and CAN fault codes
Test 2.1.3: Further CAN test options
2.1.1. Procedure in case of CAN faults
Test 2.1.1.1: How do I quickly reach my goal?
Test 2.1.1.2: General test information
Test 2.1.1.3: General CAN fundamentals
Test 2.1.1.4: Possible aids and their usage
2.1.1.1. 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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