John Deere 524017.13 – CAB: Left-Hand Reverser Lever Type Not Selected / Calibration Fault

The Cab Control Unit (CAB) has not been able to determine the type of left-hand reverser lever installed, or the lever's calibration is out of specification. The left-hand reverser is a critical component for controlling the tractor's direction of travel. An incorrect configuration or calibration can lead to erratic operation or failure to engage forward or reverse gears.

• 7810
• 7630
• 7730
• 7830
• 7930
• 8130
• 8230
• 8330
• 8430
• 8530
• 9430
• 9530
• 9630
• 7185J
• 7195J
• 7205J
• 7210J
• 7225J

1. 1

   Restart the tractor to see if the diagnostic trouble code clears, which can reset communication messages

2. 2

   Inspect the mechanical reverser linkage to see if it is loose or out of adjustment

3. 3

   Check the wiring harness between the reverser lever and the CAB controller for damage

1. 1

   Restart tractor

   Restart the tractor to see if the diagnostic trouble code clears. In some instances, this can reset communication messages and clear the fault.

2. 2

   Inspect mechanical linkage

   Check the mechanical adjustment of the reverser linkage. Adjust or tighten if it is loose or out of adjustment, as this could contribute to the fault.

3. 3

   Dealer configuration and calibration

   If the code reappears after a restart, contact a John Deere dealer. A technician must use proprietary Service Advisor software to correctly configure the CAB controller for the specific type of left-hand reverser installed and perform a calibration of the lever's position sensors.

4. 4

   Replace faulty components

   If configuration and calibration fail, replace the faulty position sensors, wiring harness, or the entire left-hand reverser lever assembly as determined by dealer diagnostics.