Scania EMU DTC 4168 Refrigerant compressor E158, supply voltage, short circuit to battery

EMU EMU control unit · Scania

Code 4168 (decimal). Some diagnostic tools show it in hexadecimal as 001048.

In short

The control unit indicates too high a voltage.

Applies to: EMU1 (ECS)

What does Scania EMU fault code 4168 mean?

What causes Scania DTC 4168?

How does the system react?

What are the symptoms?

How to fix Scania EMU fault code 4168?

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 4168 in other Scania systems