E209D

CAN message from control unit AAC or TAC is missing or faulty.


Possible cause:

- Check the CAN communication with control unit N22/1 (AAC [KLA] control unit).
- Chassis CAN bus
- Interior CAN bus
Affected functions:

- CAN Communication

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Test 1: Check communication with component CGW

Test 2: Chassis CAN bus

Test 3: Interior CAN bus

Test 4: Check the CAN communication with control unit AAC/TAC.

1. Check communication with component CGW
Warning!Communication with ECU required.


2. Chassis CAN bus
Warning!Communication with ECU required.

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

4. Check the CAN communication with control unit AAC/TAC.
Warning!Communication with ECU required.