Radio Frequency Hub (RFH)
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
RADIO FREQUENCY HUB (RFH)
| 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
- Validates that the brake is engaged
- Sends a request to the BCM to change the ignition state