Scania VDT DTC 1109 Internal fault

VDT VDT control unit · Scania

Code 1109 (decimal). Some diagnostic tools show it in hexadecimal as 0455.

In short

The safety check has identified a prohibited activation of solenoid valve TB.

Applies to: VDT2 (VDT)

What does Scania VDT fault code 1109 mean?

What causes Scania DTC 1109?

How does the system react?

How to fix Scania VDT fault code 1109?

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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.

Code 1109 in other Scania systems

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