OBD-II · CODE FAMILY
Codes U10xx — what they mean
U10xx is a family of 100 manufacturer-specific OBD2 codes covering network and electrical faults. Each U10xx code below links to its own page with causes, diagnosis and the parts to fix it.
100 codesNetwork systems
FAMILY
RangeU1000–U1099
Codes100
TROUBLEATLAS APP
01All codes in this family
One rich, indexed page — not thousands of empty ones. Each code links to its own page.
| Code | Meaning — click to open the code page | System | Severity |
|---|---|---|---|
| U1000 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1000/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1001 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1001/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1002 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1002/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1003 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1003/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1004 | SCP (J1850) Invalid or Missing Data for EEC Programming → /auto/codes/u1004/ SCP (J1850) Invalid or Missing Data for EEC Programming | Network | Medium |
| U1005 | SCP (J1850) Invalid or Missing Data for EEC Programming → /auto/codes/u1005/ SCP (J1850) Invalid or Missing Data for EEC Programming | Network | Medium |
| U1006 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1006/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1007 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1007/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1008 | SCP (J1850) Invalid or Missing Data for Engine Torque → /auto/codes/u1008/ SCP (J1850) Invalid or Missing Data for Engine Torque | Network | Medium |
| U1009 | SCP (J1850) Invalid or Missing Data for Engine Torque → /auto/codes/u1009/ SCP (J1850) Invalid or Missing Data for Engine Torque | Network | Medium |
| U1010 | SCP (J1850) Invalid or Missing Data for Engine Air Intake → /auto/codes/u1010/ SCP (J1850) Invalid or Missing Data for Engine Air Intake | Network | Medium |
| U1011 | SCP (J1850) Invalid or Missing Data for Engine Air Intake → /auto/codes/u1011/ SCP (J1850) Invalid or Missing Data for Engine Air Intake | Network | Medium |
| U1012 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1012/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1013 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1013/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1014 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1014/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1015 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1015/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1016 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1016/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1017 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1017/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1018 | SCP (J1850) Invalid or Missing Data for Throttle → /auto/codes/u1018/ SCP (J1850) Invalid or Missing Data for Throttle | Network | Medium |
| U1019 | SCP (J1850) Invalid or Missing Data for Throttle → /auto/codes/u1019/ SCP (J1850) Invalid or Missing Data for Throttle | Network | Medium |
| U1020 | SCP (J1850) Invalid or Missing Data for Air Conditioning Clu → /auto/codes/u1020/ SCP (J1850) Invalid or Missing Data for Air Conditioning Clutch | Network | Medium |
| U1021 | SCP (J1850) Invalid or Missing Data for Air Conditioning Clu → /auto/codes/u1021/ SCP (J1850) Invalid or Missing Data for Air Conditioning Clutch | Network | Medium |
| U1022 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1022/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1023 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1023/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1024 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1024/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1025 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1025/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1026 | SCP (J1850) Invalid or Missing Data for Engine RPM → /auto/codes/u1026/ SCP (J1850) Invalid or Missing Data for Engine RPM | Network | Medium |
| U1027 | SCP (J1850) Invalid or Missing Data for Engine RPM → /auto/codes/u1027/ SCP (J1850) Invalid or Missing Data for Engine RPM | Network | Medium |
| U1028 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1028/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1029 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1029/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1030 | SCP (J1850) Invalid or Missing Data for Experimental #1 → /auto/codes/u1030/ SCP (J1850) Invalid or Missing Data for Experimental #1 | Network | Medium |
| U1031 | SCP (J1850) Invalid or Missing Data for Experimental #1 → /auto/codes/u1031/ SCP (J1850) Invalid or Missing Data for Experimental #1 | Network | Medium |
| U1032 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1032/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1033 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1033/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1034 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1034/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1035 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1035/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1036 | SCP (J1850) Invalid or Missing Data for Wheels → /auto/codes/u1036/ SCP (J1850) Invalid or Missing Data for Wheels | Network | Medium |
| U1037 | SCP (J1850) Invalid or Missing Data for Wheels → /auto/codes/u1037/ SCP (J1850) Invalid or Missing Data for Wheels | Network | Medium |
| U1038 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1038/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1039 | SCP (J1850) Invalid or Missing Data for Primary Id / Vehicle → /auto/codes/u1039/ SCP (J1850) Invalid or Missing Data for Primary Id / Vehicle Speed | Network | Medium |
| U1040 | SCP (J1850) Invalid or Missing Data for Vehicle Speed → /auto/codes/u1040/ SCP (J1850) Invalid or Missing Data for Vehicle Speed | Network | Medium |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed → /auto/codes/u1041/ SCP (J1850) Invalid or Missing Data for Vehicle Speed | Network | Medium |
| U1042 | SCP (J1850) Invalid or Missing Data for Traction Control → /auto/codes/u1042/ SCP (J1850) Invalid or Missing Data for Traction Control | Network | Medium |
| U1043 | SCP (J1850) Invalid or Missing Data for Traction Control → /auto/codes/u1043/ SCP (J1850) Invalid or Missing Data for Traction Control | Network | Medium |
| U1044 | SCP (J1850) Invalid or Missing Data for Traction Motor → /auto/codes/u1044/ SCP (J1850) Invalid or Missing Data for Traction Motor | Network | Medium |
| U1045 | SCP (J1850) Invalid or Missing Data for Traction Motor → /auto/codes/u1045/ SCP (J1850) Invalid or Missing Data for Traction Motor | Network | Medium |
| U1046 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1046/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1047 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1047/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1048 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1048/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1049 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1049/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1050 | SCP (J1850) Invalid or Missing Data for Brakes → /auto/codes/u1050/ SCP (J1850) Invalid or Missing Data for Brakes | Network | Medium |
| U1051 | SCP (J1850) Invalid or Missing Data for Brakes → /auto/codes/u1051/ SCP (J1850) Invalid or Missing Data for Brakes | Network | Medium |
| U1052 | SCP (J1850) Invalid or Missing Data for Steering / Steering → /auto/codes/u1052/ SCP (J1850) Invalid or Missing Data for Steering / Steering Wheel | Network | Medium |
| U1053 | SCP (J1850) Invalid or Missing Data for Steering / Steering → /auto/codes/u1053/ SCP (J1850) Invalid or Missing Data for Steering / Steering Wheel | Network | Medium |
| U1054 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1054/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1055 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1055/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1056 | SCP (J1850) Invalid or Missing Data for Vehicle Configuratio → /auto/codes/u1056/ SCP (J1850) Invalid or Missing Data for Vehicle Configuration | Network | Medium |
| U1057 | SCP (J1850) Invalid or Missing Data for Vehicle Configuratio → /auto/codes/u1057/ SCP (J1850) Invalid or Missing Data for Vehicle Configuration | Network | Medium |
| U1058 | SCP (J1850) Invalid or Missing Data for Transmission / Trans → /auto/codes/u1058/ SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL | Network | Medium |
| U1059 | SCP (J1850) Invalid or Missing Data for Transmission / Trans → /auto/codes/u1059/ SCP (J1850) Invalid or Missing Data for Transmission / Transaxle / PRNDL | Network | Medium |
| U1060 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1060/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1061 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1061/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1062 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1062/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1063 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1063/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1064 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1064/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1065 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1065/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1066 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1066/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1067 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1067/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1068 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1068/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1069 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1069/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1070 | SCP (J1850) Invalid or Missing Data for Engine Sensors → /auto/codes/u1070/ SCP (J1850) Invalid or Missing Data for Engine Sensors | Network | Medium |
| U1071 | SCP (J1850) Invalid or Missing Data for Engine Sensors → /auto/codes/u1071/ SCP (J1850) Invalid or Missing Data for Engine Sensors | Network | Medium |
| U1072 | SCP (J1850) Invalid or Missing Data for Engine Coolant → /auto/codes/u1072/ SCP (J1850) Invalid or Missing Data for Engine Coolant | Network | Medium |
| U1073 | OBD II fault code U1073 is a manufacturer-specific trouble c → /auto/codes/u1073/ OBD II fault code U1073 is a manufacturer-specific trouble code that is defined by carmaker Mitsubishi as “CAN data bus – bus off, malfunction detecte | Network | Medium |
| U1074 | SCP (J1850) Invalid or Missing Data for Engine Oil → /auto/codes/u1074/ SCP (J1850) Invalid or Missing Data for Engine Oil | Network | Medium |
| U1075 | SCP (J1850) Invalid or Missing Data for Engine Oil Temp → /auto/codes/u1075/ SCP (J1850) Invalid or Missing Data for Engine Oil Temp | Network | Medium |
| U1076 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1076/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1077 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1077/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1078 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1078/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1079 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1079/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1080 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1080/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1081 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1081/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1082 | SCP (J1850) Invalid or Missing Data for Engine Systems Other → /auto/codes/u1082/ SCP (J1850) Invalid or Missing Data for Engine Systems Other | Network | Medium |
| U1083 | SCP (J1850) Invalid or Missing Data for Engine Systems Other → /auto/codes/u1083/ SCP (J1850) Invalid or Missing Data for Engine Systems Other | Network | Medium |
| U1084 | SCP (J1850) Invalid or Missing Data for Powertrain Status Re → /auto/codes/u1084/ SCP (J1850) Invalid or Missing Data for Powertrain Status Request | Network | Medium |
| U1085 | SCP (J1850) Invalid or Missing Data for Powertrain Status Re → /auto/codes/u1085/ SCP (J1850) Invalid or Missing Data for Powertrain Status Request | Network | Medium |
| U1086 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1086/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1087 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1087/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1088 | SCP (J1850) Invalid or Missing Data for Suspension → /auto/codes/u1088/ SCP (J1850) Invalid or Missing Data for Suspension | Network | Medium |
| U1089 | SCP (J1850) Invalid or Missing Data for Suspension → /auto/codes/u1089/ SCP (J1850) Invalid or Missing Data for Suspension | Network | Medium |
| U1090 | SCP (J1850) Invalid or Missing Data for Non-Legislated Diagn → /auto/codes/u1090/ SCP (J1850) Invalid or Missing Data for Non-Legislated Diagnostics | Network | Medium |
| U1091 | SCP (J1850) Invalid or Missing Data for Non-Legislated Diagn → /auto/codes/u1091/ SCP (J1850) Invalid or Missing Data for Non-Legislated Diagnostics | Network | Medium |
| U1092 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1092/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1093 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1093/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1094 | SCP (J1850) Invalid or Missing Data for Experimental #2 → /auto/codes/u1094/ SCP (J1850) Invalid or Missing Data for Experimental #2 | Network | Medium |
| U1095 | SCP (J1850) Invalid or Missing Data for Experimental #2 → /auto/codes/u1095/ SCP (J1850) Invalid or Missing Data for Experimental #2 | Network | Medium |
| U1096 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1096/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1097 | SCP (J1850) Invalid or Missing Data for Primary Id → /auto/codes/u1097/ SCP (J1850) Invalid or Missing Data for Primary Id | Network | Medium |
| U1098 | SCP (J1850) Invalid or Missing Data for Vehicle Speed Contro → /auto/codes/u1098/ SCP (J1850) Invalid or Missing Data for Vehicle Speed Control | Network | Medium |
| U1099 | SCP (J1850) Invalid or Missing Data for Vehicle Speed Contro → /auto/codes/u1099/ SCP (J1850) Invalid or Missing Data for Vehicle Speed Control | Network | Medium |
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