Scania EMS DTC 552 Post injection ontime too long, cylinder 8.

EMS Engine Management System · Scania

Code 552 (decimal). Some diagnostic tools show it in hexadecimal as 000228.

In short

The error is detected when the post injection ontime, for either post1 or post2, has been consequtively too long for a period of time.

Applies to: EMS10

What does Scania EMS fault code 552 mean?

What causes Scania DTC 552?

What are the symptoms?

How to fix Scania EMS fault code 552?

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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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