From VIN XA410504 (Bosch Equipped)

System Interfaces

The M5.2.1 ECM has some bi-directional (input and output) interfaces, and these are as follows:
- Diagnostics interface via K - Line.
- CAN interface to the automatic TCM.

There are also interactions between the M5.2.1 ECM and other vehicle systems such as the Anti-lock Braking System (ABS) system.