Scania TMS DTC 303 Electrical clutch actuator, temperature too high

TMS Transmission Management System · Scania

Code 303 (decimal). Some diagnostic tools show it in hexadecimal as 012F.

In short

The coolant temperature or the temperature of the clutch actuator has exceeded 140°C for at least 1 s.

Applies to: TMS3 (TMS)

What does Scania TMS fault code 303 mean?

What causes Scania DTC 303?

How does the system react?

How to fix Scania TMS fault code 303?

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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.