Scania EMU DTC 8304 Water valve V238, short circuit to earth

EMU EMU control unit · Scania

Code 8304 (decimal). Some diagnostic tools show it in hexadecimal as 002070.

In short

The control unit indicates too low a voltage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 8304 mean?

What causes Scania DTC 8304?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 8304?

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.