Transfer Case Control Module 44‑50‑000‑227‑B Auto Transfer Case ECU Unit

This transfer case control module with OE number 44‑50‑000‑227‑B is the key electronic control unit for four‑wheel‑drive vehicles. It processes sensor signals of the transfer case, manages mode switch between 2‑wheel drive and 4‑wheel drive, and coordinates the whole 4WD system. It serves as replacement part for defective original unit, solving trouble codes and failure of four‑wheel‑drive switching. It conforms to original factory specifications, restores normal transfer‑case control function and ensures reliable operation of 4‑wheel drive system after installation.