Scania AMS DTC 8383 Electrically heated reductant hose H26, short circuit to earth

AMS AMS control unit · Scania · 2 variants

Code 8383 (decimal). Some diagnostic tools show it in hexadecimal as 20BF.

In short

The control unit for the exhaust gas aftertreatment management system indicates that the pins for the electrically heated reductant hose are short circuited to earth.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 8383 mean?

What causes Scania DTC 8383?

How does the system react?

How to fix Scania AMS fault code 8383?

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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 8383 in other Scania systems