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OBD II Undefined Trouble Code Chart

U0001 Controller Area Network (CAN) Bus Communication (ECM)
U1000 Class 2 Communication Malfunction
U1001~U1254 Loss of XXX Communications
U1002~U1215 Loss of serial communications for class 2 devices
U1016 Loss of Class 2 Communication with VCM
U1016 Loss of Communications with PCM
U1017~U1025 Loss of serial communications for class 2 devices
U1026 Loss of ATC Class 2 Communication
U1027~U1039 Loss of Serial Communications for Class 2 Devices
U1040 Loss of Class 2 Communications with ABS
U1041 Loss of EBCM Communication
U1042 Lost Communications with Brake/Traction Control System
U1043~U1055 Loss of Serial Communications for Class 2 Devices
U1056 Loss of Communications with RSS
U1057~U1060 Loss of Serial Communications for Class 2 Devices
U1161 Loss of PDM Serial Data
U1062 Loss of Serial Communications for Class 2 Devices
U1163 Loss of RRDM Serial Data
U1064 Loss of Communications with DIM
U1065 Loss of Communications with IPM
U1066 Loss of Communications with RIM
U1067~U1069 Loss of Serial Communications for Class 2 Devices
U1170 Loss of Driver Door Switch Asm Serial Data
U1071~U1087 Loss of Serial Communications for Class 2 Devices
U1088 Loss of Communications with SDM
U1089~1095 Loss of Serial Communications for Class 2 Devices
U1096 Loss of Communications with IPC
U1097~U1127 Loss of serial communications for class 2 devices
U1128 Loss of Communications with IRC
U1129 Loss of Communications with AMP
U1130~U1143 Loss of serial communications for class 2 devices
U1144 Loss of Communications with PHN
U1145 Loss Of NAV Communications
U1146 Loss Of Onstar Communiction
U1147~U1151 Loss of serial communications for class 2 devices
U1152 Loss Of ACM Serial Data Communication
U1152 Loss of Data HCM
U1153 Loss of Communications with CCP
U1154~U1159 Loss of serial communications for class 2 devices
U1160 Loss of Communications with DDM
U1161 Loss of PASS Door Module SBI
U1162 Loss of Rear Driver Door Module SBI
U1163 Loss of Rear PASS Door Module SBI
U1164 Loss Of DIM Serial Data Communication
U1165 Loss of serial communications for class 2 devices
U1166 Loss of Communications with SCM
U1167 Loss of serial communications for class 2 devices
U1168 Loss Of TTM Communications
U1169 Loss of Communications with MMM
U1170 Loss of Driver Door Switch SBI
U1171~U1175 Loss of serial communications for class 2 devices
U1176 Loss Of RFA Communications
U1177~U1191 Loss of serial communications for class 2 devices
U1192 Loss of VTD Class 2 Serial Data Com
U1193 Loss of VIM Class 2 Communication
U1194~U1254 Loss of serial communications for class 2 devices
U1255 Class 2 Communication Malfunction (Serial Data Line Malfunction)
U1300 Class 2 Short to Ground
U1301 Class 2 Short to Battery
U1304 Loss Of UART Communications
U1305 Class 2 Data Link Low or High
U1500 Inter-Device Dedicated Bus Malfunction
U1713 Loss of Front Door Module to Window Motor High Speed Comm.
U1715 Loss of Front Door Module to Window Motor High Speed Comm.
U1714 Loss of Front Door Module to Window Motor Normal Speed Comm.
U1716 Loss of Front Door Module to Window Motor Normal Speed Comm.
U1800 Controller Area Network (CAN) Bus Communication
U2000 Invalid BFC Transmitted SPI Data
U2001 Invalid IPC Transmitted SPI Data
U2002 SPI Data-In Low
U2003 SPI Data-In High
U2004 SPI Data-Out Low
U2005 SPI Data-Out High
U2006 SPI Clock-Out Low
U2007 SPI Clock-Out High
U2050 SIR PPS/CPS Communications Link malfunction
U2100 Controller Area Network (CAN) Bus OFF
U2100 CAN-BUS Communication Malfunction
U2102 More Controllers on Bus than Programmed
U2103 Fewer Controllers On Bus Than Programmed
U2104 CAN Bus Reset Counter Overrun
U2105 CAN Bus Error ECM
U2105 Lost Comm with Engine Control System
U2106 Lost Comm with Trans Control System
U2107 Lost Communications with Body Control System
U2108 CAN Bus Error ABS
U2108 Lost Comm with ABS Control System
U2150 Navigation ECU Gateway Communication Error
U2151 Navigation ECU Communication Malfunction
U2153 VICS ECU Communication Error

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