Description

No retarder function because of excessive oil temperature

Effects on the driving operation

The retarder is deactivated because of excessive oil temperature.

Possible causes

Oil temperature too high because of high ambient temperatures or high braking power.

Place of action

No description available.

Instruction

No additional actions necessary The condition presents a normal operating status.

Setting conditions of the event

No description available.

Test 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 the function.

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

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

These steps are necessary to ensure the entire vehicle functions.

See also:

		Aftersales service index