Scania AMS DTC 4884 V231, Reductant doser downstream of the turbocharger shorted to battery on the high voltage side

AMS AMS control unit · Scania · 2 variants

Code 4884 (decimal). Some diagnostic tools show it in hexadecimal as 1314.

In short

The control system shows a short circuit to battery on pins connected to the reductant doser.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 4884 mean?

What causes Scania DTC 4884?

How does the system react?

What are the symptoms?

How to fix Scania AMS fault code 4884?

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: V117, Reductant doser on silencer, 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 4884 in other Scania systems