Scania TMS DTC 2839 Activation mechanism for freewheeling retarder

TMS Transmission Management System · Scania · 2 variants

Code 2839 (decimal). Some diagnostic tools show it in hexadecimal as 0B17.

In short

Multiple fault codes detected in the release device.

Variant 1

Applies to: TMS3 (TMS)

What does Scania TMS fault code 2839 mean?

What causes Scania DTC 2839?

How does the system react?

How to fix Scania TMS fault code 2839?

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Variant 2: Not valid for TMS4 - Unknown fault related to the engagement mechanism of the disengageable retarder

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.