Scania MGU DTC 4609 Position sensor for electric machine, prohibited signal

MGU MGU control unit · Scania

Code 4609 (decimal). Some diagnostic tools show it in hexadecimal as 1201.

In short

Prohibited signal from the position sensor for the electric machine.

Applies to: MGU2MGU2 (MGU2X)MGU2 (MGUC2)MGU2 (MGUC2X)

What does Scania MGU fault code 4609 mean?

What causes Scania DTC 4609?

How does the system react?

What are the symptoms?

How to fix Scania MGU fault code 4609?

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 4609 in other Scania systems

Compare code 4609 in every system →