Scania CMS DTC 844 Tag axle lift, vehicle software fault

CMS CMS control unit · Scania

Code 844 (decimal). Some diagnostic tools show it in hexadecimal as 034C.

In short

The tag axle lift is not responding to activation requests.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 844 mean?

What causes Scania DTC 844?

What are the symptoms?

How to fix Scania CMS fault code 844?

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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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