Description

Fault reading brake switch voltage.

Effects on the driving operation

No retarder operation.

No brake pedal position, thus possible consequences are:

No ANS.

No gear release.

Possible causes

An internal fault has occurred while reading the brake switch voltage. The ADC value is not available.

Place of action

No description available.

Instruction

Replace control unit

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.