Description:

This error code, TEI 001231.12, is saved when the data received by the TEI control unit from the CAN BUS are faulty or incomplete. This indicates a significant communication issue within the vehicle’s CAN BUS network.

Reaction:

When this fault code is detected, the equipment may experience communication issues, leading to erratic behavior or loss of functionality in systems dependent on CAN BUS data.

Recommendations:

Inspect CAN BUS Connections:

• Thoroughly check all connections within the CAN BUS network for signs of damage, loose connections, or corrosion. Secure and repair as necessary.

Check for Interference:

• Ensure there are no sources of electromagnetic interference near the CAN BUS network that could be causing data corruption.

Reset the CAN BUS Network:

• Perform a network reset by disconnecting power to the CAN BUS components and reconnecting after a few minutes.

Update Firmware:

• Ensure that all components on the CAN BUS network have the latest firmware updates installed.

Replace Faulty Components:

• Identify and replace any faulty CAN BUS components that may be causing the high error rate.

Consult Technical Support:

• Contact John Deere technical support for further diagnostics and assistance.

Note:

High error rates in the CAN BUS network can be due to poor connections, interference, or faulty components. Regular maintenance and monitoring are essential to identify and resolve these issues promptly.