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

EMD EMD control unit · Scania

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

In short

Short circuit to battery, short circuit to ground or open circuit.

Applies to: EMD0EMD1

What does Scania EMD fault code 1143 mean?

What causes Scania DTC 1143?

How does the system react?

What are the symptoms?

How to fix Scania EMD fault code 1143?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included
Get Premium – 7,50 € / month I already have an account

Yearly plan: pay 10 months, get 12. Cancel at any time.

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

Code 1143 in other Scania systems

Compare code 1143 in every system →