Scania EMS DTC 20488 EGR content

EMS Engine Management System · Scania · 2 variants

Code 20488 (decimal). Some diagnostic tools show it in hexadecimal as 5008.

In short

The amount of EGR gases returned is too low, the amount of EGR gases cannot be increased to the required level.

Variant 1

Applies to: EMS S6

What does Scania EMS fault code 20488 mean?

What causes Scania DTC 20488?

How does the system react?

How to fix Scania EMS fault code 20488?

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Variant 2

Applies to: EMS S6 (EMS S6 EuroIII)

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.