Scania TMS DTC 2821 Retarder oil, implausible temperature value

TMS Transmission Management System · Scania · 2 variants

Code 2821 (decimal). Some diagnostic tools show it in hexadecimal as 0B05.

In short

The retarder oil temperature sensor gives an implausible value when the mode is activated.

Variant 1

Applies to: TMS3 (TMS)

What does Scania TMS fault code 2821 mean?

What causes Scania DTC 2821?

How does the system react?

How to fix Scania TMS fault code 2821?

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Variant 2: Not valid for TMS4 - Retarder oil temperature sensor - Implausible value

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.