Scania MBS DTC 849 Auxiliary heater, undervoltage

MBS MBS control unit · Scania

Code 849 (decimal). Some diagnostic tools show it in hexadecimal as 0351.

In short

The auxiliary heater reports undervoltage, the voltage has been below 21 V for 12 seconds.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 849 mean?

What causes Scania DTC 849?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 849?

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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 849 in other Scania systems

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