U0401-83 Invalid Data Received From ECM (Engine Control Module) - Value Of Signal Protection Calculation Incorrect
NOTE:
This DTC indicates a communication issue has occurred between the Sending control module (Powertrain Control Module - PCM) 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 .