Massey Ferguson 05.X.31 – TRANS: Issue With Signal From 4wd Button On Side Pillar Dyna VT
Issue description
The transmission control system is detecting an irregular, missing, or out-of-range electrical signal from the 4WD (or Auto 4WD) rocker switch located on the cab's side pillar.
Applies to these machines
26 machines- 7714
- 7715
- 7715S
- 7716
- 7716S
- 7718
- 7718S
- 7719
- 7720
- 7720S
- 7722
- 7722S
- 7724
- 7724S
- 7726
- 7726S
- Tier 4 (2015-2021)
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
Check the cause
Verify the physical condition and operation of the 4WD rocker switch on the side pillar
Check the wiring harness and connectors between the side pillar 4WD switch and the Transmission ECU for continuity, shorts, or corrosion
Repair steps
Replace the switch
Replace the switch if it is internally faulty and failing to send the correct signal to the transmission module.
Parts you might need
(1)4WD Rocker Switch
4293541M2Alternate/Superseded OEM Part Numbers: 4271349M1, 4271349M2, 4271349M3, 4293541M1, 4293541M3. Compatible with various Massey Ferguson series including the 5400, 6400, and 7400 series, as well as Dyna-VT equipped models.
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