Scania CMS DTC 845 Battery data module, incorrect battery model

CMS CMS control unit · Scania

Code 845 (decimal). Some diagnostic tools show it in hexadecimal as 034D.

In short

The battery data module has interpreted that the battery module is the incorrect model.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 845 mean?

The battery data module has interpreted that the battery module is the incorrect model.

What causes Scania DTC 845?

- Incorrect parameter setting in the battery model in CMS. - Fault in the battery data module.

How to fix Scania CMS fault code 845?

  1. Spare part program the battery data module.
  2. Renew the 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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