Scania TMS DTC 12294 Cybersecurity breach, unsafe mode enabled

TMS Transmission Management System · Scania · 2 variants

Code 12294 (decimal). Some diagnostic tools show it in hexadecimal as 3006.

In short

The control system has detected that unsafe mode has been activated.

Variant 1

Applies to: TMS4 (TMS)TMS5 (TMS)TMS6 (TMS)

What does Scania TMS fault code 12294 mean?

What causes Scania DTC 12294?

How does the system react?

How to fix Scania TMS fault code 12294?

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Variant 2

Applies to: TMS3 (TMS)

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 12294 in other Scania systems