Description:

This diagnostic trouble code (DTC), SSU 523767.02, is triggered when a faulty engagement signal is detected from the switch that activates AutoTrac. The switch consists of a changeover contact that allows the engagement signal to be checked. On tractors with CommandArm, switch S123/2 is installed; on tractors without CommandArm, switch S142 is installed.

Reaction:

When this error is detected, the AutoTrac system may not engage correctly, potentially leading to issues with vehicle guidance and operation.

Recommendations:

Inspect AutoTrac Resume Switch:

• Check the AutoTrac resume switch (S123/2 or S142) for proper operation.
• Ensure the switch is not stuck or malfunctioning.

Verify Switch Connections:

• Inspect the wiring and connectors related to the AutoTrac resume switch for signs of damage, loose connections, or corrosion.
• Ensure all connections are secure and free from contaminants.

Update Software:

• Ensure that the software related to the AutoTrac and resume switch is up-to-date. Apply any available firmware updates to improve system performance and compatibility.

Replace Faulty Components:

• If the AutoTrac resume switch or related components are found to be defective, replace them with new, genuine parts.

Consult Technical Support:

• If the error persists after performing the above steps, consult technical support or the manufacturer for further assistance.

Note:

• Regular maintenance and inspection of the AutoTrac resume switch and its connections can help prevent engagement signal faults.
• Ensuring the switch is functioning correctly is crucial for the safe and reliable operation of AutoTrac.