Scania TMS DTC 5012 Control unit, internal fault

TMS Transmission Management System · Scania · 3 variants

Code 5012 (decimal). Some diagnostic tools show it in hexadecimal as 1394.

In short

The control unit's request to turn off messages on CAN bus 4 has failed.

Variant 1

Applies to: TMS3 (TMS)TMS6 (TMS)

What does Scania TMS fault code 5012 mean?

What causes Scania DTC 5012?

How does the system react?

What are the symptoms?

How to fix Scania TMS fault code 5012?

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Variant 2

Applies to: TMS4 (TMS)

Variant 3

Applies to: TMS5 (TMS)

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