Scania TMS DTC 57401 Inverter E189, node A, not normal status

TMS Transmission Management System · Scania · 2 variants

Code 57401 (decimal). Some diagnostic tools show it in hexadecimal as E039.

In short

Node A on inverter E189 does not reach normal status.

Variant 1

Applies to: TMS4 (TMS)

What does Scania TMS fault code 57401 mean?

What causes Scania DTC 57401?

How does the system react?

What are the symptoms?

How to fix Scania TMS fault code 57401?

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Variant 2: FCS Coolant level error

Applies to: TMSe2 (TMS)

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