Scania TMS DTC 717 Missing confirmation of communication with the engine control unit

TMS Transmission Management System · Scania · 2 variants

Code 717 (decimal). Some diagnostic tools show it in hexadecimal as 02CD.

In short

The gearbox control unit indicates that the engine control unit is not responding.

Variant 1

Applies to: TMS4 (TMS)

What does Scania TMS fault code 717 mean?

What causes Scania DTC 717?

How does the system react?

What are the symptoms?

How to fix Scania TMS fault code 717?

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Variant 2: PWT bus acknowledgement test not performed.

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.

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