Scania EMS DTC 42248 SCR - Injection valve for reductant

EMS Engine Management System · Scania

Code 42248 (decimal). Some diagnostic tools show it in hexadecimal as A508.

In short

During injection the pressure in the SCR system is not reduced as expected.

Applies to: EMS S6

What does Scania EMS fault code 42248 mean?

What causes Scania DTC 42248?

How does the system react?

How to fix Scania EMS fault code 42248?

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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.