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SAE U0xxx-DTCs

Network, electrical

SAE- DTC	DTC text	Corrective action
U0001	High Speed CAN Communication Bus	Check terminal resistance for CAN-Bus. Refer to Terminal resistance for CAN-Bus, checking

Network, communication

SAE- DTC	DTC text	Corrective action
U0101	Lost Communication with TCM	Check terminal resistance for CAN-Bus. Refer to Terminal resistance for CAN-Bus, checking
U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module

Network, data

SAE- DTC	DTC text	Corrective action
U0402	Invalid Data Received From Transmission Control Module	Check wire connection between Motronic Engine Control Module (ECM) -J220- and Transmission Control Module (TCM) -J217- according to wiring diagram: Refer to Electrical Wiring Diagrams and Component Locations