Scania TMS DTC 57378 MGU control unit

TMS Transmission Management System · Scania · 3 variants

Code 57378 (decimal). Some diagnostic tools show it in hexadecimal as E022.

In short

Temporary fault in the electric machine or cable harness.

Variant 1

Applies to: TMS1

What does Scania TMS fault code 57378 mean?

What causes Scania DTC 57378?

How to fix Scania TMS fault code 57378?

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Variant 2: Cooling fan

Applies to: TMS2 (TMS)

Variant 3: Solenoid valve for cooling fan

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.

Code 57378 in other Scania systems