Scania AMS DTC 8255 Reductant tank

AMS AMS control unit · Scania · 2 variants

Code 8255 (decimal). Some diagnostic tools show it in hexadecimal as 203F.

In short

The reductant level sensor indicates that the reductant tank is empty.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 8255 mean?

What causes Scania DTC 8255?

What are the symptoms?

How to fix Scania AMS fault code 8255?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included
Get Premium – 7,50 € / month I already have an account

Yearly plan: pay 10 months, get 12. Cancel at any time.

Variant 2: Reductant pick-up unit T116/T4002, short circuit to battery or open circuit

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 8255 in other Scania systems

Compare code 8255 in every system →