Scania EMO DTC 4224 The Mechanical Dump Valve (MDV) opened during a diagnostic test

EMO EMO control unit · Scania

Code 4224 (decimal). Some diagnostic tools show it in hexadecimal as 1080.

In short

The MDV (Mechanical Dump Valve) opened at an unexpectedly low pressure during a diagnostic test.

Applies to: EMO2 (EMS)

What does Scania EMO fault code 4224 mean?

What causes Scania DTC 4224?

How to fix Scania EMO fault code 4224?

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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.

Code 4224 in other Scania systems

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