PL3 001231.12 – Drive Train CAN Bus (1000 kBd), High Error Rate

PL3 001231.12 (PL3 1231.12)

Code: 001231.12

Shortcode: 1231.12

Description:

This diagnostic trouble code is generated when the control software is unable to process all CAN Bus messages received at a rate of 1000 kBd, indicating a high error rate. This can be due to a CAN Bus overload or an internal control unit fault.

Reaction:

The control software may exhibit limited or no functionality when this fault is detected.

Recommendations:

Inspect CAN Bus Load:

  • Check for excessive traffic on the CAN Bus. Disconnect non-essential devices to reduce load and monitor for improvement.

Examine Wiring and Connections:

  • Inspect CAN Bus wiring and connections for damage, loose connections, or corrosion. Repair or replace as necessary.

Test Control Unit:

  • Test the control unit for internal faults. Replace the control unit if it is found to be defective.

Update Control Software:

  • Ensure the control software is up-to-date with the latest version to prevent communication errors.

Note:

A high error rate on the CAN Bus can severely impact vehicle functionality. Address this issue promptly to restore proper operation.

 


Control Units: John Deere

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