Scania MGU DTC 2321930 MGU control unit E82, unreasonable value

MGU MGU control unit · Scania

Code 2321930 (decimal). Some diagnostic tools show it in hexadecimal as 236E0A.

In short

The control unit interprets an unreasonable value.

Applies to: MGU3 (MGUA3)

What does Scania MGU fault code 2321930 mean?

The control unit interprets an unreasonable value.

What causes Scania DTC 2321930?

Internal hardware fault.

How does the system react?

A yellow warning indication is displayed.

What are the symptoms?

- Electric propulsion is not possible. - May activate other fault codes in systems connected to voltage class B.

How to fix Scania MGU fault code 2321930?

  1. Restart the vehicle in the following sequence:
  2. Turn off the 15 voltage with the starter key.
  3. Wait for at least 20 seconds.
  4. Turn off the 30 voltage with the battery master switch.
  5. Wait for at least 20 seconds.
  6. Turn on the 30 voltage with the battery master switch.
  7. Turn on the 15 voltage with the starter key.
  8. Check for any available software update if the fault code reoccurs.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.