Description

Error in the external RAM.

Effects on the driving operation

Reset of the transmission control unit

The operating state switches to 'forced neutral'. It is no longer possible to engage a gear.

Possible causes

The external RAM test has revealed a defective memory cell.

Place of action

No description available.

Troubleshooting

Instruction

Please consult the VOITH customer service and state the type of fault and the system description of the fault location.

Unless the customer service instructs you otherwise, make sure that the up-to-date software for the vehicle is loaded. If this is the case, replace the control unit.

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