Scania ICL DTC 784 Communication with the tachograph (TCO)

ICL Instrument Cluster · Scania

Code 784 (decimal). Some diagnostic tools show it in hexadecimal as 0310.

In short

No CAN messages from the tachograph.

Applies to: ICL2

What does Scania ICL fault code 784 mean?

What causes Scania DTC 784?

How does the system react?

How to fix Scania ICL fault code 784?

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 784 in other Scania systems

Compare code 784 in every system →