Scania CMS DTC 820 Pressure sensor for rear axle, left-hand side

CMS CMS control unit · Scania

Code 820 (decimal). Some diagnostic tools show it in hexadecimal as 0334.

In short

The voltage on the input from the pressure sensor has been too high (control unit pin B14 earth or B17 signal).

Applies to: CMS1 (CMS)

What does Scania CMS fault code 820 mean?

What causes Scania DTC 820?

How does the system react?

What are the symptoms?

How to fix Scania CMS fault code 820?

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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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