Diagnostic Trouble Code Search
Find detailed information about vehicle diagnostic trouble codes (DTCs). Enter a code or select a make to search our comprehensive database.
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U Codes |
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|---|---|---|---|---|---|
| Code | Type | System | System Name | Module | Message |
| U1120 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1121 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1122 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Odometer |
| U1123 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Odometer |
| U1124 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1125 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1126 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1127 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1128 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1129 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1130 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Fuel System |
| U1131 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Fuel System |
| U1132 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Vehicle Motion |
| U1133 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Vehicle Motion |
| U1134 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Ignition Switch/Starter |
| U1135 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Ignition Switch/Starter |
| U1136 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Telltales |
| U1137 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Telltales |
| U1138 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1139 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |