Scania TMS DTC 721 No CAN message from BCI control unit

TMS Transmission Management System · Scania · 2 variants

Code 721 (decimal). Some diagnostic tools show it in hexadecimal as 02D1.

In short

An expected CAN message is missing.

Variant 1

Applies to: TMS4 (TMS)

What does Scania TMS fault code 721 mean?

What causes Scania DTC 721?

How does the system react?

How to fix Scania TMS fault code 721?

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Variant 2

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 721 in other Scania systems

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