Scania TMS DTC 2594 First and third gear coupling sleeve

TMS Transmission Management System · Scania · 2 variants

Code 2594 (decimal). Some diagnostic tools show it in hexadecimal as 0A22.

In short

Despite repeated attempts, the position sensor fails to verify that the first and third gear coupling sleeve have left the third gear position and reached their neutral position.

Variant 1

Applies to: TMS3 (TMS)

What does Scania TMS fault code 2594 mean?

What causes Scania DTC 2594?

How does the system react?

What are the symptoms?

How to fix Scania TMS fault code 2594?

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Variant 2: First and second gear coupling sleeve, failed verification

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.

Code 2594 in other Scania systems

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