U0441-83-Invalid Data Received From RFHM (Radio Frequency Hub Module) - Value Of Signal Protection Calculation Incorrect
WARNING: This page is about a different car, the 2022 RAM ProMaster 3500, 2022 RAM ProMaster 2500, and 2022 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This DTC indicates a communication issue has occurred between the Sending control module (Radio Frequency Hub Module - RFHM) and the Reporting control module(s) that set this fault.
The COMMUNICATION DIAGNOSTIC PROCEDURE MUST be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .