Scania TMS DTC 65440 CAN message for vehicle speed, TCO or COO – incorrect or implausible value

TMS Transmission Management System · Scania

Code 65440 (decimal). Some diagnostic tools show it in hexadecimal as FFA0.

In short

The tachometer or COO control unit sends a fault message on the CAN bus.

Applies to: TMS2 (TMS)TMSe2 (TMS)

What does Scania TMS fault code 65440 mean?

What causes Scania DTC 65440?

How does the system react?

How to fix Scania TMS fault code 65440?

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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 65440 in other Scania systems