Scania EMU DTC 8705 Water valve V243, feedback signal, short circuit to voltage supply

EMU EMU control unit · Scania

Code 8705 (decimal). Some diagnostic tools show it in hexadecimal as 002201.

In short

The control unit indicates high voltage on the water valve's feedback signal.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8705 mean?

What causes Scania DTC 8705?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8705?

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

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 8705 in other Scania systems

Compare code 8705 in every system →