Scania AMS DTC 8254 Reductant pick-up unit T116/T4002, short circuit to earth

AMS AMS control unit · Scania

Code 8254 (decimal). Some diagnostic tools show it in hexadecimal as 00203E.

In short

The control unit indicates that the level sensor for reductant is short-circuited to earth.

Applies to: AMS2

What does Scania AMS fault code 8254 mean?

What causes Scania DTC 8254?

How to fix Scania AMS fault code 8254?

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.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 8254 in other Scania systems