BUICK fault codes

Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.

BUICK shares fault-code data with GM. Data may not cover BUICK-specific systems.

Codes 17,703

Code	Description	Brands	System
U1031	Loss of Serial Communications for Class 2 Devices	17	Network
U1032	Loss of Serial Communications for Class 2 Devices	15	Network
U1033	Loss of Serial Communications for Class 2 Devices	13	Network
U1034	Adaptive damping system	14	Network
U1035	NOx sensor 1 bank 2: implausible signal; Open or short to ground	13	Network
U1036	NOx sensor 1 bank 2: no communication; Open or short to plus	13	Network
U1037	Not on model 963.004/005/405/406	9	Network
U1038	Loss of Serial Communications for Class 2 Devices	10	Network
U1039	Vehicle speed signal missing or incorrect	12	Network
U103B	A/C compressor: no communication; Short to plus	10	Network
U1040	Loss of Class 2 Communications with ABS	15	Network
U1041	Loss of EBCM Communication	18	Network
U1042	Lost Communications with Brake/Traction Control System	13	Network
U1043	Loss of Serial Communications for Class 2 Devices	14	Network
U1044	Loss of Serial Communications for Class 2 Devices	13	Network
U1045	Loss of Serial Communications for Class 2 Devices	10	Network
U1046	Loss of Serial Communications for Class 2 Devices	10	Network
U1047	Loss of Serial Communications for Class 2 Devices	9	Network
U1048	Loss of Serial Communications for Class 2 Devices	11	Network
U1049	Loss of Serial Communications for Class 2 Devices	9	Network
U1050	Loss of Serial Communications for Class 2 Devices	11	Network
U1051	Loss of Serial Communications for Class 2 Devices	14	Network
U1052	Loss of Serial Communications for Class 2 Devices	8	Network
U1053	Loss of Serial Communications for Class 2 Devices	8	Network
U1054	Loss of Serial Communications for Class 2 Devices	8	Network
U1055	Loss of Serial Communications for Class 2 Devices	9	Network
U1056	Loss of Communications with RSS	11	Network
U1057	Loss of Serial Communications for Class 2 Devices	13	Network
U1058	J1850 SCP Trans Fluid Temp Invalid - Instr Clstr	9	Network
U1059	Loss of Serial Communications for Class 2 Devices	9	Network
U1060	Trailing axle, liftable	8	Network
U1062	Trailing axle without lift bellows	8	Network
U1064	Loss Of Communications With DIM	13	Network
U1065	Loss of Communications with IPM	12	Network
U1066	Loss of Communications with RIM	9	Network
U1067	Loss of Serial Communications for Class 2 Devices	13	Network
U1068	Vehicle conversion to 10x4/4 DNA	10	Network
U1069	China VI B	11	Network
U106A	Lost Communication with Multifunction Energy Storage Capacitor Control Module	7	Network
U106B	Left electronic caliper release fault	7	Network
U1071	Loss of Serial Communications for Class 2 Devices	9	Network
U1072	Loss of Serial Communications for Class 2 Devices	9	Network
U1073	J1850 SCP Engine Coolent Invalid - Instr Clstr	23	Network
U1074	Loss of Serial Communications for Class 2 Devices	13	Network
U1075	Loss of Serial Communications for Class 2 Devices	10	Network
U1076	Loss of Serial Communications for Class 2 Devices	9	Network
U1077	OTA installation failed	10	Network
U1078	Loss of Serial Communications for Class 2 Devices	10	Network
U1079	Loss of Serial Communications for Class 2 Devices	10	Network
U1080	Loss of Serial Communications for Class 2 Devices	12	Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.