Scania MBS DTC 1112 Auxiliary heater, signal fault engine speed

MBS MBS control unit · Scania

Code 1112 (decimal). Some diagnostic tools show it in hexadecimal as 0458.

In short

The auxiliary heater has detected a signal fault to engine speed on its engine.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 1112 mean?

What causes Scania DTC 1112?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 1112?

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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.

Code 1112 in other Scania systems