Scania AMS DTC 4631 Reductant pump V183, overpressure protection triggered

AMS AMS control unit · Scania

Code 4631 (decimal). Some diagnostic tools show it in hexadecimal as 001217.

In short

Reductant pump motherboard sends a predefined fault mode indicator over the feedback pin.

Applies to: AMS2

What does Scania AMS fault code 4631 mean?

What causes Scania DTC 4631?

How to fix Scania AMS fault code 4631?

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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.

Code 4631 in other Scania systems