Scania AMS DTC 8426 Control unit for exhaust gas aftertreatment

AMS AMS control unit · Scania · 2 variants

Code 8426 (decimal). Some diagnostic tools show it in hexadecimal as 20EA.

In short

The EEC control unit has been shut down incorrectly.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 8426 mean?

What causes Scania DTC 8426?

What are the symptoms?

How to fix Scania AMS fault code 8426?

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Variant 2

Applies to: AMS2

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

Code 8426 in other Scania systems

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