DTC U0457-68: Error Signal Received From Connectivity Master Unit (CMU)

U0457-68: (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from connectivity master unit (CMU)
Detection condition	The vehicle control module (VCM) receives an error signal from the connectivity master unit (CMU).
Fail-safe	(See DTC TABLE [VCM] .)
Possible cause	Internal malfunction related DTCs are stored in the following modules. Vehicle control module (VCM) (See DTC TABLE [VCM] .) Body control module (BCM) (See DTC TABLE [BCM] .) DTCs are stored in the connectivity master unit (CMU). (See DTC TABLE [CMU] .) Connectivity master unit (CMU) malfunction (Refer to CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION in service information.) Vehicle control module (VCM) malfunction (built into body control module (BCM)) (Refer to BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION in service information.)
Repeatability verification procedure	Clear the DTC recorded in the memory. (See CLEARING DTC .)
System wiring diagram	Not applicable