Scania AMS DTC 4363 Reductant circuit

AMS AMS control unit · Scania · 2 variants

Code 4363 (decimal). Some diagnostic tools show it in hexadecimal as 110B.

In short

The reductant pressure is too low or too high when the reductant pump is shut off.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 4363 mean?

What causes Scania DTC 4363?

How to fix Scania AMS fault code 4363?

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Variant 2: SCR system heating does not work

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.

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