U0406-00-Invalid Data Received From BSM (Brake System Control Module)
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 (Brake System Control Module - BSCM) 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 .