Manufacturer Code Charts: 2227

The left fuel level sensor has an electrical fault.

Test 1: CAN communication is faulty.

Test 2: Check component N10 (SAM control unit).

Test 3: Possible cause:

- N10/2 (Rear SAM control unit with fuse and relay module)
- Check the CAN communication with control unit A1 (Instrument cluster).
- Interior CAN bus
Affected functions:

- Fuel level indicator
- Engine running

Test 4: Interior CAN bus

1. CAN communication is faulty.

Test 1.1: Check the CAN communication with control unit A1 (Instrument cluster).

1.1. Check the CAN communication with control unit A1 (Instrument cluster).

Test 1.1.1: Check the CAN communication with control unit.

1.1.1. Check the CAN communication with control unit.
Warning!Communication with ECU required.


2. Check component N10 (SAM control unit).
Possible cause and remedy

- Read out fault memory of control unit N10/2 (Rear SAM control unit with fuse and relay module).
End of test

3. No further information available.


4. Interior CAN bus
Warning!Communication with ECU required.