Scania TMS DTC 2566 Splitter gear coupling sleeve

TMS Transmission Management System · Scania · 2 variants

Code 2566 (decimal). Some diagnostic tools show it in hexadecimal as 0A06.

In short

The position sensor indicates that the splitter gear coupling sleeve has not moved from low split to neutral even though the high split solenoid valve has been activated.

Variant 1

Applies to: TMS3 (TMS)

What does Scania TMS fault code 2566 mean?

What causes Scania DTC 2566?

How does the system react?

What are the symptoms?

How to fix Scania TMS fault code 2566?

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Variant 2: Coupling sleeve L3, unreliable signal about disengagement

Applies to: TMS4 (TMS)

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

Code 2566 in other Scania systems