Scania EMO DTC 4439 Injection error, physical cylinder 8

EMO EMO control unit · Scania

Code 4439 (decimal). Some diagnostic tools show it in hexadecimal as 1157.

In short

Permanent electrical fault detected on the injector coil(s) or the cabling to the injector(s).

Applies to: EMO2 (EMS)

What does Scania EMO fault code 4439 mean?

What causes Scania DTC 4439?

How does the system react?

How to fix Scania EMO fault code 4439?

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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 4439 in other Scania systems

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