Scania VDT DTC 851 Internal fault

VDT VDT control unit · Scania

Code 851 (decimal). Some diagnostic tools show it in hexadecimal as 0353.

In short

Reference voltage too low.

Applies to: VDT2 (VDT)

What does Scania VDT fault code 851 mean?

What causes Scania DTC 851?

How does the system react?

How to fix Scania VDT fault code 851?

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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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