Scania EMS DTC 1143 The exhaust brake via valve block V107 or the proportional valve for exhaust brake V17

EMS Engine Management System · Scania · 4 variants

Code 1143 (decimal). Some diagnostic tools show it in hexadecimal as 0477.

In short

The control unit indicates an internal fault.

Variant 1: Steering wheel switch for cruise control, CAN messages missing

Applies to: EMS10

What does Scania EMS fault code 1143 mean?

How to fix Scania EMS fault code 1143?

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Variant 2

Applies to: EMS S7

Variant 3

Applies to: EMS S8

Variant 4: The exhaust brake via the proportional valve for exhaust brake V17

Applies to: EMS S8 (S8PDE)

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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