Scania MBS DTC 845 Auxiliary heater overheated

MBS MBS control unit · Scania

Code 845 (decimal). Some diagnostic tools show it in hexadecimal as 034D.

In short

The auxiliary heater has detected overheating of the coolant.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 845 mean?

What causes Scania DTC 845?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 845?

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

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