Description

Contradictory redundancy signals of the digital ABS-input

Effects on the driving operation

No retarder operation

No ANS-function

Possible causes

Fault in control unit concerning AD conversion: Timing error in the control unit software or hardware fault in the AD converter or multiplexer.

Place of action

Software in the transmission control unit

Instruction

Check whether the fault occurs more frequently. If yes, load updated software. If no improvement, ask further information from Voith.

Setting conditions of the event

No description available.

Test conditions of the event

No description available.

Troubleshooting

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