Description

While writing data to the gear range selector other data were written then those specified.

Effects on the driving operation

Reaction depends on the write access. However, no serious restrictions have to be expected.

Possible causes

Defect in the CAN controller of the gear range selector or transmission control unit.

CAN communication disturbed.

Software fault in the gear range selector or in the transmission control unit.

Place of action

No description available.

Instruction

Check gear range selector and transmission control unit.

Check whether the fault reoccurs.

Replace the software of the transmission control unit.

Contact Voith.

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.