Scania CMS DTC 849 Battery data module, internal fault

CMS CMS control unit · Scania

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

In short

The battery data module interprets that there is an internal fault in the battery data module.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 849 mean?

The battery data module interprets that there is an internal fault in the battery data module.

What causes Scania DTC 849?

- Internal fault in the battery data module.

How does the system react?

Driver messages and warnings will not function correctly or show zero value.

How to fix Scania CMS fault code 849?

- Renew battery data module

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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