Description

Retarder disruption because of inadmissibly high cooling water temperature

Effects on the driving operation

No retarder operation.

Possible causes

Cooling water temperature inadmissibly high.

(The temperature increase can be caused by the retarder but also by a high engine load.)

Place of action

No description available.

Instruction

Check transmission oil cooling circuit.

Contact vehicle manufacturer if necessary.

Setting conditions of the event

No description available.

Testing conditions of the event

No description available.

Final function check

If the defective component cannot be clearly identified, you should try to reproduce the fault:

• Reinstall the component in the vehicle.
• Test function.

After the fault has been eliminated, the following steps have to be carried out:

• Conduct a test drive with function check.
• Read the fault memory
• Check transmission for leaks.
• Perform a final visual inspection.

These steps are necessary to ensure the entire vehicle functions correctly.