Scania TMS DTC 301 Electrical clutch actuator, low voltage supply

TMS Transmission Management System · Scania

Code 301 (decimal). Some diagnostic tools show it in hexadecimal as 012D.

In short

The voltage supply has been below 9 V for more than 300 ms or below 7 V in general.

Applies to: TMS3 (TMS)

What does Scania TMS fault code 301 mean?

What causes Scania DTC 301?

How does the system react?

How to fix Scania TMS fault code 301?

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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.