AMS 5377 Scania Reductant circuit, unstable pressure

AMS AMS control unit · Scania

Code 5377 (decimal). Some diagnostic tools show it in hexadecimal as 001501.

In short

The reductant pressure has been outside the permitted range for too long.

Applies to: AMS2

What does Scania AMS fault code 5377 mean?

What causes Scania DTC 5377?

How to fix Scania AMS fault code 5377?

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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.

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