E2638

Engine control does not allow any torque intervention by transmission control.


Possible cause:

- Engine management
Affected functions:

- Automatic transmission Function

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Test 1: Fault in CAN communication with control unit Engine management.

1. Fault in CAN communication with control unit Engine management.
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 Engine management
Possible measures

- Read out fault memory of control unit Engine management.
- Process displayed fault codes in control module Engine management.
End of test