Saturday, November 27, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1050


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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