Massey Ferguson X137 – Massey Ferguson 4Wd Differential Lock: 4WD Switch Fault

The fault code indicates an issue with the 4WD switch, which is responsible for engaging the 4-wheel drive system. This may result in the inability to activate or deactivate the 4WD function as intended.

1. 1

   4WD switch

2. 2

   wiring connected to the 4WD switch

3. 3

   connections at the 4WD switch

1. 1

   Inspect

   Check the 4WD switch for visible damage or wear.

2. 2

   Test

   Verify the functionality of the 4WD switch using a multimeter or diagnostic tool.

3. 3

   Check

   Examine the wiring and connections to the 4WD switch for looseness, corrosion, or damage.