Diagnostic Trouble Code Chart

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to table below.

CAN communication system:

CAN COMMUNICATION SYSTEM - DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area	DTC Output from
U0100	Lost Communication with ECM / PCM "A"	Power source circuit of ECM ECM ECM branch wire or connector	Skid control ECU Driving support ECU TCM
U0122	Lost Communication with Vehicle Dynamics Control Module	Power source circuit of skid control ECU One side of CAN branch wire of other systems Skid control ECU Skid control ECU branch wire or connector	Skid control ECU ECM Driving Support ECU
U0123	Lost Communication with Yaw Rate Sensor Module	Power source circuit of yaw rate sensor Yaw rate sensor Yaw rate sensor branch wire or connector	Skid control ECU Driving support ECU
U0126	Lost Communication with Steering Angle Sensor Module	Power source circuit of steering angle sensor One side of CAN branch wire of other systems Steering angle sensor Steering angle sensor branch wire or connector	Skid control ECU Driving support ECU
U0127	Lost Communication with Tire Pressure Monitor Module	Power source circuit of tire pressure warning ECU Tire pressure warning ECU Tire pressure warning ECU branch wire or connector	Main body ECU
U0130	Lost Communication with Steering Effort Control Module	Power source circuit of steering control ECU Steering control ECU Steering control ECU branch wire or connector	Skid control ECU ECM
U0131	Lost Communication with Power Steering Control Module	Power source circuit of power steering ECU Power steering ECU Power steering ECU main wire or connector	Skid control ECU ECM Driving support ECU
U0132	Lost Communication with Ride Level Control Module	Power source circuit of suspension control ECU One side of CAN branch wire of other systems Suspension control ECU Suspension control ECU branch wire or connector	Skid control ECU ECM
U0141	Lost Communication with Body Control Module "A"	Power source circuit of rear junction block ECU Rear junction block ECU Rear junction block ECU main wire or connector	Main body ECU
U0148	Lost Communication with Gateway "C"	Power source circuit of Bus buffer ECU Bus buffer ECU Bus buffer ECU branch wire or connector	Main body ECU
U0155	Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)	Power source circuit of No. 1 meter ECU No. 1 meter ECU sub-assembly No. 1 meter ECU branch wire or connector	Main body ECU
U0199	Lost Communication with "Door Control Module A"	Power source circuit of front multiplex network door ECU LH Front multiplex network door ECU LH Front multiplex network door ECU LH branch wire or connector	Main body ECU
U0200	Lost Communication with "Door Control Module B"	Power source circuit of front multiplex network door ECU RH Front multiplex network door ECU RH Front multiplex network door ECU RH branch wire or connector	Main body ECU
U0201	Lost Communication with "Door Control Module C"	Power source circuit of rear multiplex network door ECU RH Rear multiplex network door ECU RH Rear multiplex network door ECU RH branch wire or connector	Main body ECU
U0202	Lost Communication with "Door Control Module D"	Power source circuit of rear multiplex network door ECU LH Rear multiplex network door ECU LH Rear multiplex network door ECU LH branch wire or connector	Main body ECU
U0208	Lost Communication with "Seat Control Module A"	Power source circuit of front power seat ECU and switch LH Front power seat ECU and switch LH Front power seat ECU and switch LH branch wire or connector	Main body ECU
U0209	Lost Communication with "Seat Control Module B"	Power source circuit of front power seat ECU and switch RH Front power seat ECU and switch RH Front power seat ECU and switch RH branch wire or connector	Main body ECU
U0210	Lost Communication with "Seat Control Module C"	Power source circuit of rear power seat module switch Rear power seat module switch Rear power seat module switch branch wire or connector	Main body ECU
U0230	Lost Communication with Rear Gate Module	Power source circuit of power trunk lid control ECU Power trunk lid control ECU Power trunk lid control ECU branch wire or connector	Main body ECU
U0235	Lost Communication with Cruise Control Front Distance Range Sensor	Power source circuit of front millimeter wave radar sensor Front millimeter wave radar sensor Front millimeter wave radar sensor main wire or connector	Driving Support ECU
U0243	Lost Communication with Parking Assist Control Module "B"	Power source circuit of parking assist ECU Parking assist ECU Parking assist ECU branch wire or connector	ECM
U0327	Software Incompatibility with Vehicle Security Control Module	Power source circuit of certification ECU Certification ECU Certification ECU branch wire or connector	Main body ECU
U1002	Lost Communication with Gateway Module	MS bus circuit Main body ECU branch wire or connector No. 1 meter ECU branch wire or connector Certification ECU branch wire or connector Front multiplex network door ECU LH branch wire or connector Front multiplex network door ECU RH branch wire or connector Rear multiplex network door ECU RH branch wire or connector Rear multiplex network door ECU LH branch wire or connector Front power seat ECU and switch LH branch wire or connector Front power seat ECU and switch RH branch wire or connector Rear power seat module switch branch wire or connector Outer Mirror Switch branch wire or connector Combination switch branch wire or connector Multiplex tilt and telescopic ECU branch wire or connector Steering pad ECU branch wire or connector Driving support ECU branch wire or connector Power trunk lid control ECU branch wire or connector Tire pressure warning ECU branch wire or connector Bus buffer ECU branch wire or connector Front controller main wire or connector Rear junction block ECU main wire or connector Front controller Rear junction block ECU Main body ECU No. 1 meter ECU Certification ECU Front multiplex network door ECU LH Front multiplex network door ECU RH Rear multiplex network door ECU RH Rear multiplex network door ECU LH Front power seat ECU and switch LH Front power seat ECU and switch RH Rear power seat module switch Outer mirror switch Combination switch assembly (windshield wiper switch assembly) Multiplex tilt and telescopic ECU Steering pad ECU Spiral cable sub-assembly Driving support ECU Power trunk lid control ECU Tire pressure warning ECU Bus buffer ECU No. 8 junction connector No. 9 junction connector No. 10 junction connector No. 11 junction connector No. 12 junction connector	Main body ECU
U1004	Lost Communication with Engine Gateway Module	Braking and driving bus circuit ECM branch wire or connector Skid control ECU branch wire or connector Driving support ECU branch wire or connector Suspension control ECU branch wire or connector Steering control ECU branch wire or connector Parking assist ECU branch wire or connector Clearance warning ECU branch wire or connector Electric parking brake ECU main wire or connector Power steering ECU main wire or connector Electric parking brake ECU Power steering ECU ECM Skid control ECU Driving support ECU Suspension control ECU Steering control ECU Parking assist ECU Clearance warning ECU No. 6 junction connector No. 7 junction connector	ECM
U1005	Lost Communication with Electronically Controlled Brake Gateway Module	Steering bus circuit Skid control ECU branch wire or connector Driving support ECU branch wire or connector Yaw rate sensor branch wire or connector Steering angle sensor branch wire or connector Seat belt control ECU branch wire or connector Suspension control ECU branch wire or connector Steering control ECU branch wire or connector ECM main wire or connector Power steering ECU main wire or connector ECM Power steering ECU Skid control ECU Driving support ECU Yaw rate sensor Steering angle sensor Seat belt control ECU Suspension control ECU Steering control ECU No. 1 junction connector No. 2 junction connector No. 4 junction connector No. 5 junction connector	Skid control ECU
U1100	Lost Communication with Seat Belt Control ECU	Power source circuit of seat belt control ECU Seat belt control ECU Seat belt control ECU branch wire or connector	Skid control ECU
U1101	Lost Communication with Driving Support ECU	Power source circuit of driving support ECU Driving support ECU Driving support ECU branch wire or connector	Skid control ECU ECM Main body ECU
U1104	Lost Communication with Driving Support ECU	Power source circuit of driving support ECU Driving support ECU Driving support ECU branch wire or connector	Driving support ECU
U1106	Lost Communication with Electric Parking Brake Module	Power source circuit of electric parking brake ECU Electric parking brake ECU Electric parking brake ECU main wire or connector	ECM
U1110	Lost Communication with Clearance Sonar Module	Power source circuit of clearance warning ECU Clearance warning ECU Clearance warning ECU branch wire or connector	ECM
U1111	Lost Communication with Body No. 5 Module	Power source circuit of front controller Front controller Front controller main wire or connector	Main body ECU
U1112	Lost Communication with Combination Switch ECU	Power source circuit of combination Combination switch assembly (wind shield wiper switch assembly) Combination switch branch wire or connector	Driving support ECU Main body ECU
U1113	Lost Communication with Steering Pad ECU	Power source circuit of steering pad ECU Steering pad ECU Spiral cable sub-assembly Steering pad ECU branch wire or connector	Driving support ECU Main body ECU
U1114	Lost Communication with Main Switch Module	Power source circuit of outer mirror switch Outer mirror switch Outer mirror switch branch wire or connector	Main body ECU
U1115	Lost Communication with Tilt and Telescopic Module	Power source circuit of multiplex tilt and telescopic ECU Multiplex tilt and telescopic ECU Multiplex tilt and telescopic ECU branch wire or connector	Main body ECU
U1119	Lost Communication with Object Recognition ECU	Power source circuit of object recognition ECU Object recognition ECU Object recognition ECU branch wire or connector	Driving support ECU
U1121	Lost Communication with Driver Monitor ECU	Power source circuit of driver monitor ECU Driver monitor ECU Driver monitor ECU branch wire or connector	Driving support ECU