New Holland 6006 – MFD/Diff Lock: MFD (CCH) or Front Diff Lock (4WD) Switch Failed in Armrest

The fault code indicates a failure in the MFD (CCH) or Front Diff Lock (4WD) switch located in the armrest. This may be due to a switch failure or communication issues between the TCU controller and the armrest.

1. 1

   The MFD (CCH) or Front Diff Lock (4WD) switch in the armrest

2. 2

   The communication link between the TCU controller and the armrest

1. 1

   Inspect the MFD (CCH) or Front Diff Lock (4WD) switch in the armrest for visible damage or wear.

2. 2

   Check the wiring and connections related to the MFD (CCH) or Front Diff Lock (4WD) switch in the armrest.

3. 3

   Verify the communication between the TCU controller and the armrest using the appropriate diagnostic tool.