Case IH U13 – Transmission Control Module / EDC: Front suspension option not activated
Issue description
This is a configuration or software setting error indicating the tractor's computer system is not currently programmed to recognize or operate the front axle suspension system.
Applies to these machines
3 machines- Puma/Mid Range Magnum
- Case IH Puma Series (Puma 140, Puma 210)
- Case IH MX170
Check the cause
Confirm that the tractor is physically equipped with the front suspension option
Verify the current configuration in the tractor's H3 transmission sub-system menu to see if the suspension setting has been accidentally disabled or lost during a calibration procedure
Repair steps
Access the H3 Menu Screen
Access the H3 Menu Screen on the tractor's display.
Select the transmission sub-system
Select the transmission sub-system by depressing the 'dimming' key.
Check lower central display
The lower central display will show 'ch _'.
Navigate to the correct channel
Use the 'h' and 'm' keys to navigate to the correct channel for the front suspension.
Enable the front suspension option
Turn on / enable the front suspension option.
Save and exit
Save the selection and exit the menu.
Parts you might need
(1)Front Axle Synchroniser / Suspension Potentiometer
May need inspection or replacement if enabling the option reveals underlying hardware faults (such as codes U01, U03, or U14).
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