DTC U0405: Invalid Data Received From Cruise Control Module

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2018 Lincoln MKZ, 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, and 2018 Ford Transit-150. However, it is still accessible from the selected car via links, so may be relevant.

Failure	Action
41	This DTC sets if the collision mitigation by braking deceleration message checksum is invalid. Using a diagnostic scan tool, RETRIEVE and DIAGNOSE all CCM module DTCs. REFER to Diagnosis and Testing in the appropriate Cruise Control article. If no CCM DTCs are present, the DTC may be caused by an intermittent concern. SET the ignition to OFF. DISCONNECT and INSPECT all PCM and GWM electrical connectors for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR as necessary.
82	This DTC sets if the collision mitigation by braking deceleration message count is out of range. Using a diagnostic scan tool, RETRIEVE and DIAGNOSE all CCM module DTCs. REFER to Diagnosis and Testing in the appropriate Cruise Control article. If no CCM DTCs are present, the DTC may be caused by an intermittent concern. SET the ignition to OFF. DISCONNECT and INSPECT all PCM and GWM electrical connectors for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR as necessary.
86	This DTC sets if the CCM is requesting an external apply of the electric parking brake and the vehicle is not in static mode. Using a diagnostic scan tool, RETRIEVE and DIAGNOSE all CCM module DTCs. REFER to Diagnosis and Testing in the appropriate Cruise Control article. If no CCM DTCs are present, the DTC may be caused by an intermittent concern. SET the ignition to OFF. DISCONNECT and INSPECT all PCM and GWM electrical connectors for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR as necessary.