518406-14 - UCM

Case IH 518406-14 - UCM – UCM: Autoguidance engagement communication fault

Issue description

Indicates a communication failure or loss of signal on the CAN bus network specifically related to the engagement switch or system for the tractor's automated steering (Autoguidance/AFS).

Applies to these machines

MAGNUM AFS Connect
Magnum AFS Connect Series (e.g., Magnum 180, 200, 220, 240, 250, 280, 310, 340, 380, 400)
Steiger AFS Connect Series
Puma Series (e.g., 140, 150, 165, 175, 180)
WD4 Series Self-Propelled Windrowers (e.g., WD1204, WD1504, WD1904, WD2104, WD2304, WD2504)

Check the cause

Check the wiring harness and CAN bus connections between the autoguidance engagement switch (often on the MultiControl Armrest or joystick) and the UCM
Verify the UCM software version is correct and up to date

Parts you might need

(6)

Universal Control Module (UCM) / ECU Assembly
84374396R
Remanufactured ECU Assembly, UCM. UCMs are highly specific to the machine's transmission and top speed configuration. Requires programming/calibration with EST.
84374396R

UCM Universal Controller Module - Magnum CVT
84297798
UCMs are highly specific to the machine's transmission and top speed configuration. Requires programming/calibration with EST.
84297798

UCM Universal Controller Module - Magnum CVT
84348127
UCMs are highly specific to the machine's transmission and top speed configuration. Requires programming/calibration with EST.
84348127

UCM for WD4 series
48067506
UCMs are highly specific to the machine's transmission and top speed configuration. Requires programming/calibration with EST.
48067506

UCM for WD4 series
47775233
UCMs are highly specific to the machine's transmission and top speed configuration. Requires programming/calibration with EST.
47775233

ECU / UCM - CNH
47814650
UCMs are highly specific to the machine's transmission and top speed configuration. Requires programming/calibration with EST.
47814650

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