Description

Timeout of CAN message ID 1448.

Effects on the driving operation

Retarder activation via retarder direct switch non-functional.

Possible causes

FPS controller defective or connection to FPS controller faulted.

Place of action

No description available.

Troubleshooting

Check FPS controller and connection to FPS controller.

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