Case IH 520244-13 - VCM – UCM / VCM: Incorrect controller configuration

This condition occurs when the software configuration on the module does not match the machine's physical hardware, network expectations, or when a required calibration/setup procedure has not been completed. It can also be triggered if the module's Non-Volatile Memory (NVM) becomes corrupted due to low voltage or an interrupted software update.

• MAGNUM AFS Connect
• Magnum AFS Connect Series
• Magnum 250
• Magnum 280
• Magnum 310
• Magnum 340
• Magnum 380
• Magnum 400
• Steiger Series
• Steiger 500
• Puma Series
• Puma 180-260 CVX
• Patriot Sprayers
• Patriot 3330
• Patriot 3340
• Patriot 4430
• Patriot 4440
• Early Riser 2000 Series Planters

1. 1

   Verify battery voltage is above 9.8V. Low voltage can cause the UCM/VCM to default to incorrect parameters or corrupt the NVM.

2. 2

   Inspect the power supply connections and CAN bus wiring to the UCM/VCM for corrosion, loose pins, or damage.

3. 3

   Check if any new hardware (e.g., grid heater, implement controllers) was recently installed or removed without updating the controller's software.

4. 4

   Connect the Case IH Electronic Service Tool (EST) to verify the current software version and check the controller's configuration parameters against the machine's actual build.

1. 1

   Connect Diagnostic Tool

   Hook up the Case IH Electronic Service Tool (EST) to the machine's diagnostic port.

2. 2

   Reconfigure the Module

   Navigate to the configuration screen for the UCM/VCM. Verify that all hardware options (e.g., transmission type, grid heater presence, PTO options) are correctly set to "Installed" or "Not Installed" to match the physical machine.

3. 3

   Reflash Software

   If the configuration parameters are correct but the code persists, the NVM may be corrupted. Use the EST to reinstall/flash the latest UCM/VCM software.

4. 4

   Perform Calibrations

   After flashing, perform any required calibrations for the implement control valves, steering, or PTO as prompted by the EST.

5. 5

   Test Operation

   Save the new settings, restart the tractor, and test the operation of the machine to ensure the code clears and does not return.

6. 6

   Module Replacement

   If the UCM/VCM will not accept the configuration, fails the software update, or the NVM is permanently faulty, the module must be replaced and programmed.