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ObdII U Code Definitions GM

ObdII U Code Definitions GM

DTC U1000 Class 2 Communication Malfunction
DTC U1001-U1254 Loss of XXX Communications
DTC U1002 Loss of serial communications for class 2 devices
DTC U1003 Loss of serial communications for class 2 devices
DTC U1004 Loss of serial communications for class 2 devices
DTC U1005 Loss of serial communications for class 2 devices
DTC U1006 Loss of serial communications for class 2 devices
DTC U1007 Loss of serial communications for class 2 devices
DTC U1008 Loss of serial communications for class 2 devices
DTC U1009 Loss of serial communications for class 2 devices
DTC U1010 Loss of serial communications for class 2 devices
DTC U1011 Loss of serial communications for class 2 devices
DTC U1012 Loss of serial communications for class 2 devices
DTC U1013 Loss of serial communications for class 2 devices
DTC U1014 Loss of serial communications for class 2 devices
DTC U1015 Loss of serial communications for class 2 devices
DTC U1016 Loss of Class 2 Communication with VCM
DTC U1016 Loss of Communications with PCM
DTC U1017 Loss of serial communications for class 2 devices
DTC U1018 Loss of serial communications for class 2 devices
DTC U1019 Loss of serial communications for class 2 devices
DTC U1020 Loss of serial communications for class 2 devices
DTC U1021 Loss of serial communications for class 2 devices
DTC U1022 Loss of serial communications for class 2 devices
DTC U1023 Loss of serial communications for class 2 devices
DTC U1024 Loss of serial communications for class 2 devices
DTC U1025 Loss of serial communications for class 2 devices
DTC U1026 Loss of ATC Class 2 Communication
DTC U1027 Loss of serial communications for class 2 devices
DTC U1028 Loss of serial communications for class 2 devices
DTC U1029 Loss of serial communications for class 2 devices
DTC U1030 Loss of serial communications for class 2 devices
DTC U1031 Loss of serial communications for class 2 devices
DTC U1032 Loss of serial communications for class 2 devices
DTC U1033 Loss of serial communications for class 2 devices
DTC U1034 Loss of serial communications for class 2 devices
DTC U1035 Loss of serial communications for class 2 devices
DTC U1036 Loss of serial communications for class 2 devices
DTC U1037 Loss of serial communications for class 2 devices
DTC U1038 Loss of Serial Communications for Class 2 Devices
DTC U1039 Loss of Serial Communications for Class 2 Devices
DTC U1040 Loss of Class 2 Communications with ABS
DTC U1041 Loss of EBCM Communication
DTC U1042 Lost Communications with Brake/Traction Control System
DTC U1043 Loss of Serial Communications for Class 2 Devices
DTC U1044 Loss of Serial Communications for Class 2 Devices
DTC U1045 Loss of Serial Communications for Class 2 Devices
DTC U1046 Loss of Serial Communications for Class 2 Devices
DTC U1047 Loss of Serial Communications for Class 2 Devices
DTC U1048 Loss of Serial Communications for Class 2 Devices
DTC U1049 Loss of Serial Communications for Class 2 Devices
DTC U1050 Loss of Serial Communications for Class 2 Devices
DTC U1051 Loss of Serial Communications for Class 2 Devices
DTC U1052 Loss of Serial Communications for Class 2 Devices
DTC U1053 Loss of Serial Communications for Class 2 Devices
DTC U1054 Loss of Serial Communications for Class 2 Devices
DTC U1055 Loss of Serial Communications for Class 2 Devices
DTC U1056 Loss of Communications with RSS
DTC U1057 Loss of Serial Communications for Class 2 Devices
DTC U1058 Loss of Serial Communications for Class 2 Devices
DTC U1059 Loss of Serial Communications for Class 2 Devices
DTC U1060 Loss of Serial Communications for Class 2 Devices
DTC U1161 Loss of PDM Serial Data
DTC U1062 Loss of Serial Communications for Class 2 Devices
DTC U1163 Loss of RRDM Serial Data
DTC U1064 Loss of Communications with DIM
DTC U1065 Loss of Communications with IPM
DTC U1066 Loss of Communications with RIM
DTC U1067 Loss of Serial Communications for Class 2 Devices
DTC U1068 Loss of Serial Communications for Class 2 Devices
DTC U1069 Loss of Serial Communications for Class 2 Devices
DTC U1170 Loss of Driver Door Sw Asm Serial Data
DTC U1071 Loss of Serial Communications for Class 2 Devices
DTC U1072 Loss of Serial Communications for Class 2 Devices
DTC U1073 Loss of Serial Communications for Class 2 Devices
DTC U1074 Loss of Serial Communications for Class 2 Devices
DTC U1075 Loss of Serial Communications for Class 2 Devices
DTC U1076 Loss of Serial Communications for Class 2 Devices
DTC U1077 Loss of Serial Communications for Class 2 Devices
DTC U1078 Loss of Serial Communications for Class 2 Devices
DTC U1079 Loss of Serial Communications for Class 2 Devices
DTC U1080 Loss of Serial Communications for Class 2 Devices
DTC U1081 Loss of Serial Communications for Class 2 Devices
DTC U1082 Loss of Serial Communications for Class 2 Devices
DTC U1083 Loss of Serial Communications for Class 2 Devices
DTC U1084 Loss of Serial Communications for Class 2 Devices
DTC U1085 Loss of Serial Communications for Class 2 Devices
DTC U1086 Loss of Serial Communications for Class 2 Devices
DTC U1087 Loss of Serial Communications for Class 2 Devices
DTC U1088 Loss of Communications with SDM
DTC U1089 Loss of Serial Communications for Class 2 Devices
DTC U1090 Loss of Serial Communications for Class 2 Devices
DTC U1091 Loss of Serial Communications for Class 2 Devices
DTC U1092 Loss of Serial Communications for Class 2 Devices
DTC U1093 Loss of Serial Communications for Class 2 Devices
DTC U1094 Loss of Serial Communications for Class 2 Devices
DTC U1095 Loss of Serial Communications for Class 2 Devices
DTC U1096 Loss of Communications with IPC
DTC U1097 Loss of Serial Communications for Class 2 Devices
DTC U1098 Loss of Serial Communications for Class 2 Devices
DTC U1099 Loss of Serial Communications for Class 2 Devices
DTC U1100 Loss of Serial Communications for Class 2 Devices
DTC U1101 Loss of Serial Communications for Class 2 Devices
DTC U1102 Loss of Serial Communications for Class 2 Devices
DTC U1103 Loss of Serial Communications for Class 2 Devices
DTC U1104 Loss of Serial Communications for Class 2 Devices
DTC U1105 Loss of Serial Communications for Class 2 Devices
DTC U1106 Loss of Serial Communications for Class 2 Devices
DTC U1107 Loss of Serial Communications for Class 2 Devices
DTC U1108 Loss of Serial Communications for Class 2 Devices
DTC U1109 Loss of Serial Communications for Class 2 Devices
DTC U1110 Loss of Serial Communications for Class 2 Devices
DTC U1111 Loss of Serial Communications for Class 2 Devices
DTC U1112 Loss of Serial Communications for Class 2 Devices
DTC U1113 Loss of Serial Communications for Class 2 Devices
DTC U1114 Loss of Serial Communications for Class 2 Devices
DTC U1115 Loss of Serial Communications for Class 2 Devices
DTC U1116 Loss of Serial Communications for Class 2 Devices
DTC U1117 Loss of Serial Communications for Class 2 Devices
DTC U1118 Loss of Serial Communications for Class 2 Devices
DTC U1119 Loss of Serial Communications for Class 2 Devices
DTC U1120 Loss of Serial Communications for Class 2 Devices
DTC U1121 Loss of Serial Communications for Class 2 Devices
DTC U1122 Loss of Serial Communications for Class 2 Devices
DTC U1123 Loss of serial communications for class 2 devices
DTC U1124 Loss of serial communications for class 2 devices
DTC U1125 Loss of serial communications for class 2 devices
DTC U1126 Loss of serial communications for class 2 devices
DTC U1127 Loss of serial communications for class 2 devices
DTC U1128 Loss of Communications with IRC
DTC U1129 Loss of Communications with AMP
DTC U1130 Loss of serial communications for class 2 devices
DTC U1131 Loss of serial communications for class 2 devices
DTC U1132 Loss of serial communications for class 2 devices
DTC U1133 Loss of serial communications for class 2 devices
DTC U1134 Loss of serial communications for class 2 devices
DTC U1135 Loss of serial communications for class 2 devices
DTC U1136 Loss of serial communications for class 2 devices
DTC U1137 Loss of serial communications for class 2 devices
DTC U1138 Loss of serial communications for class 2 devices
DTC U1139 Loss of serial communications for class 2 devices
DTC U1140 Loss of serial communications for class 2 devices
DTC U1141 Loss of serial communications for class 2 devices
DTC U1142 Loss of serial communications for class 2 devices
DTC U1143 Loss of serial communications for class 2 devices
DTC U1144 Loss of Communications with PHN
DTC U1145 Loss Of NAV Communications
DTC U1146 Loss Of Onstar Communiction
DTC U1147 Loss of serial communications for class 2 devices
DTC U1148 Loss of serial communications for class 2 devices
DTC U1149 Loss of serial communications for class 2 devices
DTC U1150 Loss of serial communications for class 2 devices
DTC U1151 Loss of serial communications for class 2 devices
DTC U1152 Loss Of ACM Serial Data Communication
DTC U1152 Loss of Data HCM
DTC U1153 Loss of Communications with CCP
DTC U1154 Loss of serial communications for class 2 devices
DTC U1155 Loss of serial communications for class 2 devices
DTC U1156 Loss of serial communications for class 2 devices
DTC U1157 Loss of serial communications for class 2
DTC U1158 Loss of serial communications for class 2 devices
DTC U1159 Loss of serial communications for class 2 devices
DTC U1160 Loss of Communications with DDM
DTC U1161 Loss of PASS Door Module SBI
DTC U1162 Loss of Rear Driver Door Module SBI
DTC U1163 Loss of Rear PASS Door Module SBI
DTC U1164 Loss Of DIM Serial Data Communication
DTC U1165 Loss of serial communications for class 2 devices
DTC U1166 Loss of Communications with SCM
DTC U1167 Loss of serial communications for class 2 devices
DTC U1168 Loss Of TTM Communications
DTC U1169 Loss of Communications with MMM
DTC U1170 Loss of Driver Door Switch SBI
DTC U1171 Loss of serial communications for class 2 devices
DTC U1172 Loss of serial communications for class 2 devices
DTC U1173 Loss of serial communications for class 2 devices
DTC U1174 Loss of serial communications for class 2 devices
DTC U1175 Loss of serial communications for class 2 devices
DTC U1176 Loss Of RFA Communications
DTC U1177 Loss of serial communications for class 2 devices
DTC U1178 Loss of serial communications for class 2 devices
DTC U1179 Loss of serial communications for class 2 devices
DTC U1180 Loss of serial communications for class 2 devices
DTC U1181 Loss of serial communications for class 2 devices
DTC U1182 Loss of serial communications for class 2 devices
DTC U1183 Loss of serial communications for class 2 devices
DTC U1184 Loss of serial communications for class 2 devices
DTC U1185 Loss of serial communications for class 2 devices
DTC U1186 Loss of serial communications for class 2 devices
DTC U1187 Loss of serial communications for class 2 devices
DTC U1188 Loss of serial communications for class 2 devices
DTC U1189 Loss of serial communications for class 2 devices
DTC U1190 Loss of serial communications for class 2 devices
DTC U1191 Loss of serial communications for class 2 devices
DTC U1192 Loss of VTD Class 2 Serial Data Com
DTC U1193 Loss of VIM Class 2 Communication
DTC U1194 Loss of serial communications for class 2 devices
DTC U1195 Loss of serial communications for class 2 devices
DTC U1196 Loss of serial communications for class 2 devices
DTC U1197 Loss of serial communications for class 2 devices
DTC U1198 Loss of serial communications for class 2 devices
DTC U1199 Loss of serial communications for class 2 devices
DTC U1200 Loss of serial communications for class 2 devices
DTC U1201 Loss of serial communications for class 2 devices
DTC U1202 Loss of serial communications for class 2 devices
DTC U1203 Loss of serial communications for class 2 devices
DTC U1204 Loss of serial communications for class 2 devices
DTC U1205 Loss of serial communications for class 2 devices
DTC U1206 Loss of serial communications for class 2 devices
DTC U1207 Loss of serial communications for class 2 devices
DTC U1208 Loss of serial communications for class 2 devices
DTC U1209 Loss of serial communications for class 2 devices
DTC U1210 Loss of serial communications for class 2 devices
DTC U1215 Loss of serial communications for class 2 devices
DTC U1220 Loss of serial communications for class 2 devices
DTC U1225 Loss of serial communications for class 2 devices
DTC U1230 Loss of serial communications for class 2 devices
DTC U1235 Loss of serial communications for class 2 devices
DTC U1240 Loss of serial communications for class 2 devices
DTC U1245 Loss of serial communications for class 2 devices
DTC U1250 Loss of serial communications for class 2 devices
DTC U1251 Loss of serial communications for class 2 devices
DTC U1252 Loss of serial communications for class 2 devices
DTC U1253 Loss of serial communications for class 2 devices
DTC U1254 Loss of serial communications for class 2 devices
DTC U1255 Class 2 Communication Malfunction
DTC U1255 Serial Data Line Malfunction
DTC U1300 Class 2 Short to Ground
DTC U1301 Class 2 Short to Battery
DTC U1304 Loss Of UART Communications
DTC U1305 Class 2 Data Link Low or High
DTC U1500 Inter-Device Dedicated Bus Malfunction
DTC U2000 Invalid BFC Transmitted SPI Data
DTC U2001 Invalid IPC Transmitted SPI Data
DTC U2002 SPI Data-In Low
DTC U2003 SPI Data-In High
DTC U2004 SPI Data-Out Low
DTC U2005 SPI Data-Out High
DTC U2006 SPI Clock-Out Low
DTC U2007 SPI Clock-Out High
DTC U2050 SIR PPS/CPS Communications Link malfunction
DTC U2100 CAN Bus OFF
DTC U2100 CAN-BUS Communication Malfunction
DTC U2102 More Controllers on Bus than Programmed
DTC U2103 Fewer Controllers On Bus Than Programmed
DTC U2104 CAN Bus Reset Counter Overrun
DTC U2105 CAN Bus Error ECM
DTC U2105 Lost Comm with Engine Control System
DTC U2106 Lost Comm with Trans Control System
DTC U2107 Lost Communications with Body Control System
DTC U2108 CAN Bus Error ABS
DTC U2108 Lost Comm with ABS Control System
DTC U2150 Navigation ECU Gateway Communication Error
DTC U2151 Navigation ECU Communication Malfunction
DTC U2153 VICS ECU Communication Error

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© 2012 Rick Muscoplat

Posted on by Rick Muscoplat

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