Scania EMD DTC 5172 Bypass valve disc actuator, M4001

EMD EMD control unit · Scania

Code 5172 (decimal). Some diagnostic tools show it in hexadecimal as 1434.

In short

The bypass valve disc is stuck or not moving as expected.

Applies to: EMD0EMD1

What does Scania EMD fault code 5172 mean?

What causes Scania DTC 5172?

How does the system react?

How to fix Scania EMD fault code 5172?

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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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