AMS 4353 Scania Reductant pump

AMS AMS control unit · Scania · 2 variants

Code 4353 (decimal). Some diagnostic tools show it in hexadecimal as 1101.

In short

The reductant pump needs to run more slowly than expected to maintain the correct reductant pressure.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 4353 mean?

What causes Scania DTC 4353?

How does the system react?

How to fix Scania AMS fault code 4353?

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Variant 2: The reductant doser V117, blocked prefilter

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 4353 in other Scania systems

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