Scania CMS DTC 804 Solenoid valve for differential lock, 2nd rear axle

CMS CMS control unit · Scania

Code 804 (decimal). Some diagnostic tools show it in hexadecimal as 0324.

In short

The solenoid valve (V1005) controlling the differential lock for the second rear axle, connected on PWM output 4 (Pin: signal A16, earth A18) is either not connected or is short-circuited to voltage.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 804 mean?

What causes Scania DTC 804?

How does the system react?

How to fix Scania CMS fault code 804?

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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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