Radio Frequency Hub (RFH) Module
WARNING: This page is about a different car, the 2025 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
RADIO FREQUENCY HUB (RFH) MODULE
| REFER TO: COMPONENT INDEX . |
THE RFH:
- RECEIVES THE INPUT REQUEST TO START FROM THE IGNITION
- ENERGIZES THE KEY TRANSPONDER IN THE KEY FOB IN ORDER TO READ IT
- SENDS A RANDOM CODE TO THE TRANSPONDER AND IN RETURN, RECEIVES A MINIKRYPT CODE FROM THE TRANSPONDER
- VALIDATES THE KEY FOB USING LF ANTENNAS
- RECEIVES AND VALIDATES TRANSMISSION IN PARK VIA SHIFT LOCK SWITCH (REMOTE START USE ONLY)
- VALIDATES THAT THE BRAKE IS ENGAGED
- SENDS A REQUEST TO THE BCM TO CHANGE THE IGNITION STATE