Case IH 518418-14 - VCM – VCM: Brand identification from armrest does not match pin based brand

The Vehicle Control Module (VCM) is receiving a brand identification signal or data packet from the armrest controller that conflicts with the physical, pin-based brand identification wiring harness configuration.

• MAGNUM AFS Connect

1. 1

   Verify the software configuration of the VCM and the armrest controller to ensure they are programmed for the correct equipment brand (Case IH).

2. 2

   Inspect the wiring harness connecting the armrest to the VCM, specifically looking at the brand-identification pins. Ensure no pins are bent, corroded, or shorted to ground/voltage.

3. 3

   Verify if there is a software mismatch between the armrest and the VCM that might be causing a communication error regarding brand ID.

1. 1

   Disconnect battery power

   Disconnect battery power before servicing the VCM or armrest connections.

2. 2

   Disconnect harness

   Disconnect the main harness at the armrest and the VCM.

3. 3

   Perform continuity test

   Perform a continuity test on the brand-identification pins between the armrest and the VCM.

4. 4

   Repair or replace wiring

   Repair or replace any damaged wiring in the harness.

5. 5

   Re-flash or replace module

   If the wiring is intact and the pins match the correct Case IH configuration, the armrest controller or VCM may require a software re-flash by a dealer, or replacement of the armrest control module.