2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2891

YES

The measurement value is OK.Possible cause and remedy

- Inspect connector 1 at control unit N80 (Steering column module) for damage, correct connection, loose contact and corrosion and repair, if

necessary.

End of test

The measurement value is not OK.Possible cause and remedy

- Plug connection at control unit N80 (Steering column module)

- Line between component N80 (Steering column module) and component W12 (Ground, center console)

- Line between component N80 (Steering column module) and component F34f33 (Fuse 33)

End of test

1.3.2.1.7.4. Check the CAN communication with control unit Engine control module.

Test prerequisite

- The current fault code 9348 is present.

Status of relevant fault code:Test sequence

- If a CAN fault regarding communication with control module N3/10 (ME-SFI [ME] control unit) is present in this control module, then first of

all test CAN lines between the two control modules.

- Continue troubleshooting in control module N3/10 (ME-SFI [ME] control unit).

- If there is no malfunction, ignore the fault code.

End of test

1.3.2.1.7.5. Engine compartment CAN test

1.3.2.1.7.5. No further information available.

1.3.2.1.8. Check power supply at control unit N71 (Headlamp range adjustment control module).

If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if

necessary.Question:Is there a current undervoltage fault is several control modules?Note:This fault could result in consequential faults. You should

therefore process this fault first and then erase the fault memory.

YES

Possible cause and remedy

- Battery voltage too low.Test battery.Charge battery, replace if necessary.

- If fault occurs again:Check alternator.Communication with ECU required

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