Massey Ferguson 5370.19 – Engine Control Unit (ECU): Turbo Waste Gate Communication Issue. (ECU)

The engine controller has lost communication with, or is receiving invalid data from, the electronic turbocharger wastegate actuator.

• 4710
• 7724S
• 5712SL
• 7722S
• 7722
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 4708
• 7726S
• 4707
• 4709
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• T4 (2015-2021)
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724
• 5608
• 5609
• 5610
• 5611
• 5612
• 5613
• 7614
• 7615
• 7616
• 7618
• 7619
• 7620
• 7622
• 7624
• 7626

1. 1

   Wiring and Connector Inspection: Visually and physically inspect the wiring harness leading to the turbo actuator. Ensure the connectors are free of corrosion, properly engaged, and locked together.

2. 2

   Mechanical Binding Check: Ensure the wastegate actuator arm moves freely and isn't sticking. A physically jammed wastegate can sometimes trigger actuator motor/communication faults.

3. 3

   Diagnostic Panel Verification: Enter the tractor's diagnostic mode via the control panel to verify if the code is active or stored, and check for related codes (such as 005451.31 - Turbo Waste Gate Actuator Issue).

1. 1

   Preparation

   Clean the actuator area with mild soap and warm water to remove dirt and grime, preventing contamination during removal.

2. 2

   Disconnect

   Unplug the electrical harness connector from the wastegate actuator.

3. 3

   Detach the Linkage

   Use a flathead screwdriver to carefully pry off the retaining clip holding the actuator's clevis (end-link) to the turbo wastegate arm.

4. 4

   Remove the Actuator

   Use a box wrench and an open-end wrench to remove the mounting nuts/bolts securing the actuator to its metal bracket. Slide the old actuator out.

5. 5

   Calibrate Length

   Place the old actuator and the new actuator side-by-side. Adjust the new actuator's end-link length by turning the nut so it perfectly matches the length of the old unit.

6. 6

   Installation

   Slide the new actuator into the mounting bracket and tighten the securing nuts. Reattach the clevis to the wastegate arm and secure it with the retaining clip.

7. 7

   Reconnect and Test

   Plug the electrical harness back into the actuator. Turn on the machine, clear the fault codes via the diagnostic panel, and test the tractor under load to ensure proper boost pressure and no returning codes.