Scania MBS DTC 841 Primary temperature sensor in the roof air duct, implausible value

MBS MBS control unit · Scania

Code 841 (decimal). Some diagnostic tools show it in hexadecimal as 0349.

In short

The primary temperature sensor in the roof air duct displays an implausible value.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 841 mean?

What causes Scania DTC 841?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 841?

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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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