Scania CMS DTC 843 Pressure sensor for tag axle lift, open circuit or short circuit to earth

CMS CMS control unit · Scania

Code 843 (decimal). Some diagnostic tools show it in hexadecimal as 034B.

In short

Pressure sensor for tag axle lift sends an incorrect signal or voltage is too low.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 843 mean?

What causes Scania DTC 843?

What are the symptoms?

How to fix Scania CMS fault code 843?

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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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