E0257

One or more signals sent from control unit Traction systems via the CAN bus is implausible.


Possible cause:

- N47-5 (ESP control unit)
- A7/3n1 (SBC control unit)
Affected functions:

- Electronic stability program ESP

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Test 1: Check component A7/3n1 (SBC control unit).

Test 2: Check component N47-5 (ESP control unit).

1. Check component A7/3n1 (SBC control unit).
Read and process fault code from control module A7/3n1 (SBC control unit).
Possible cause and remedy

- Read and process fault code from control module A7/3n1 (SBC control unit).
End of test

2. Check component N47-5 (ESP control unit).
Possible cause and remedy

- Read out fault memory of control unit N47-5 (ESP control unit).
End of test