Description

Faulty brake-switch signal via CAN SAE-J1939.

Effects on the driving operation

No gear enabling via the brake-switch signal via CAN SAE-J1939.

No driving operation.

Possible causes

Gear enabling via the brake-switch signal via CAN SAE-J1939 is active and the brake-switch signal via the two CAN-messages CCVS and EBC1 is invalid or cannot be received.

Place of action

No description available.

Instruction

Check connector, cable the control units involved.

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.