Scania TMS DTC 57377 Electric machine oil pump

TMS Transmission Management System · Scania · 5 variants

Code 57377 (decimal). Some diagnostic tools show it in hexadecimal as E021.

In short

Incorrect data is sent from the oil pump or the oil pump is not complying with the requested speed.

Variant 1

Applies to: TMS1

What does Scania TMS fault code 57377 mean?

What causes Scania DTC 57377?

How does the system react?

How to fix Scania TMS fault code 57377?

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Variant 2

Applies to: TMS2 (TMS)

Variant 3: Oil pump in electric machine, speed not as requested

Applies to: TMS4 (TMS)

Variant 4: The electric machine oil pump does not work or communicate as expected

Applies to: TMS5 (TMS)

Variant 5

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 57377 in other Scania systems

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