R14
Massey Ferguson R14: No CAN Unlocking Signal from X174 Autotronic 4 Transmission Controller
Issue description
The X174 Autotronic 4 transmission controller is not providing a CAN unlocking signal. This may prevent proper communication or operation of the transmission system.
Check the cause
The X174 Autotronic 4 transmission controller
The communication circuit between the controller and the system
The power supply to the X174 Autotronic 4 transmission controller
Repair steps
Inspect
Inspect the X174 Autotronic 4 transmission controller for visible damage or loose connections.
Test
Test the communication circuit between the X174 Autotronic 4 transmission controller and the system for continuity and proper signal integrity.
Verify
Verify the power supply to the X174 Autotronic 4 transmission controller is stable and within specifications.
Parts you might need
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