Scania VDT DTC 40 Rotational speed sensor

VDT VDT control unit · Scania

Code 40 (decimal). Some diagnostic tools show it in hexadecimal as 0028.

In short

Fault in the signal or poor signal quality.

Applies to: VDT2 (VDT)

What does Scania VDT fault code 40 mean?

What causes Scania DTC 40?

What are the symptoms?

How to fix Scania VDT fault code 40?

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 40 in other Scania systems

Compare code 40 in every system →