Scania MBS DTC 821 #Not implemented. Secondary passenger area evaporator fan defective

MBS MBS control unit · Scania

Code 821 (decimal). Some diagnostic tools show it in hexadecimal as 0335.

In short

Input for detecting evaporator fault is active.

Applies to: MBS3 (MBS)

What does Scania MBS fault code 821 mean?

How does the system react?

What are the symptoms?

How to fix Scania MBS fault code 821?

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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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