"Updated Power Electronics Box Bracket. There is a ""Hybrid Malfunction"" or ""Drivetrain Malfunction"" check control message. This may be an intermittent condition. The Auxiliary Power Module (APM) fault below is present, in addition to several under voltage and communication faults in various control units. Various drivability faults may also be observed. 01D89A - APM: No message from hybrid master control module (HCP) CAUSE Poor ground connection at the APM"