Case IH 520231-25 – Danfoss PVED-CLS Steering Controller: Auxiliary steering device Joystick position crosscheck, Signal crosscheck failed.

This fault code indicates a cross-check failure within the auxiliary steering joystick's redundant safety monitoring system. It triggers if the flow request deviation is too high between primary and redundant signals, transmit rates deviate too much, or software parameters P3368 & P3369 do not match the installed joystick.

• MAGNUM AFS Connect
• Magnum
• Steiger
• Optum
• Puma

1. 1

   Inspect the wiring harness and connectors between the auxiliary steering joystick and the PVED-CLS controller for pinched wires, corrosion, or loose pins that could cause signal degradation or transmit rate issues.

2. 2

   Using the Case IH Electronic Service Tool (EST) or Danfoss PLUS+1 service tool, monitor the primary and redundant signal outputs from the joystick to verify if one signal is dropping out or lagging behind the other.

3. 3

   Verify that the steering controller parameters P3368 and P3369 are correctly configured for the specific auxiliary joystick installed on the machine.

1. 1

   Clear and Retest

   Clear the fault code and cycle the key. Operate the auxiliary joystick to see if the code returns immediately (hard fault) or intermittently.

2. 2

   Wiring Repair

   If the diagnostic checks reveal a wiring issue (e.g., high resistance or a short to ground on one of the redundant signal wires), repair or replace the affected section of the joystick harness.

3. 3

   Software Configuration

   If the joystick was recently replaced or the controller was flashed, use the service tool to correct parameters P3368 and P3369 to match the hardware.

4. 4

   Component Replacement

   If the wiring is intact and the parameters are correct, the internal potentiometers/sensors in the joystick are failing the redundancy cross-check. The auxiliary joystick must be replaced.

5. 5

   Post-Repair Calibration

   After replacing the joystick, perform a full steering system calibration to ensure the PVED-CLS controller recognizes the new component's dead-bands and trim values.