Scania TMS DTC 283 Clutch actuator, piston stroke outside approved interval

TMS Transmission Management System · Scania

Code 283 (decimal). Some diagnostic tools show it in hexadecimal as 011B.

In short

Given the control signal, the clutch actuator piston stroke reading is too great.

Applies to: TMS3 (TMS)

What does Scania TMS fault code 283 mean?

Given the control signal, the clutch actuator piston stroke reading is too great.

What causes Scania DTC 283?

- Defective or loose screws securing the clutch actuator. - Broken or cracked attachment points on the clutch housing.

How does the system react?

- A yellow warning indication is displayed. - If the vehicle is stationary when the fault occurs: neutral position is activated, which prevents the vehicle from being driven further. - If the vehicle is driving when the fault occurs: the gear continues in locked position. Neutral (N) is activated when the vehicle slows to a stop. This prevents the vehicle from being driven further.

What are the symptoms?

VOR.

How to fix Scania TMS fault code 283?

  1. Check whether the release bearing or lever has fallen off the pressure plate.
  2. Check the clutch and clutch control.
  3. Check the clutch actuator installation.
  4. Renew the clutch actuator.

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

Code 283 in other Scania systems