EC423

One or more signals sent from control unit A1 (Instrument cluster) via the CAN bus is implausible.


Possible cause:

- A1 (Instrument cluster)
Affected functions:

- CAN Communication
- Automatic transmission Function

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Test 1: Fault in CAN communication with control unit A1 (Instrument cluster).

1. Fault in CAN communication with control unit A1 (Instrument cluster).
Operation number of operation texts and work units or standard texts and flat rates:27-0641WARNING

- This is not a function error of control module Y3/8n4 (Fully integrated transmission control (VGS) control unit) and does not justify replacement.
Possible cause for the entry of this event code

- Operational fault of component A1 (Instrument cluster)
Possible measures

- Read out fault memory of control unit A1 (Instrument cluster).
- Process displayed fault codes in control module A1 (Instrument cluster).
End of test