Scania AMS DTC 4660 Reductant doser, fault on injection valve.

AMS AMS control unit · Scania · 2 variants

Code 4660 (decimal). Some diagnostic tools show it in hexadecimal as 1234.

In short

Fault in the V117 reductant doser injection valve.

Variant 1

Applies to: AMS1

What does Scania AMS fault code 4660 mean?

What causes Scania DTC 4660?

How does the system react?

How to fix Scania AMS fault code 4660?

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

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 4660 in other Scania systems

Compare code 4660 in every system →