Scania TMS DTC 689 Interrupt message for the connection with the engine management system

TMS Transmission Management System · Scania · 3 variants

Code 689 (decimal). Some diagnostic tools show it in hexadecimal as 02B1.

In short

The electronic control unit generates an interrupt message for the connection with the engine management system.

Variant 1

Applies to: TMS3 (TMS)TMS6 (TMS)

What does Scania TMS fault code 689 mean?

What causes Scania DTC 689?

What are the symptoms?

How to fix Scania TMS fault code 689?

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Variant 2: Different chassis serial number in node A on inverter E82, and the gearbox control unit

Applies to: TMS4 (TMS)

Variant 3: Incorrect or missing chassis serial number

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 689 in other Scania systems

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