P1850 Transfer Case Contact Plate B Circuit Failure
What does P1850 mean on a Ford?
P1850 — Transfer Case Contact Plate B Circuit Failure. This Ford-enhanced code applies to F-150, Super Duty, Explorer.
Common causes of P1850
- Worn contact plate B tracks
- Open plate B circuit
- Oil-fouled plate
- Corroded connector
- Module input fault
How to fix P1850
- Inspect and clean the contact plate
- Test plate B continuity through rotation
- Check the connector for oil
- Verify module input
- Replace the plate if tracks are worn