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 |
| U1240 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1241 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1242 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Exterior Environment |
| U1243 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Exterior Environment |
| U1244 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Interior Environment |
| U1245 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Interior Environment |
| U1246 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1247 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Primary Id |
| U1248 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Time/Date |
| U1249 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Time/Date |
| U1250 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN) |
| U1251 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN) |
| U1252 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Class A Functions |
| U1253 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Class A Functions |
| U1254 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Network Control |
| U1255 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Network Control |
| U1260 | U-Code | Network | Communication | Communication Module | SCP (J1850) Single Ended (+) Circuit Failure |
| U1261 | U-Code | Network | Communication | Communication Module | SCP (J1850) Single Ended (-) Circuit Failure |
| U1262 | U-Code | Network | Communication | Communication Module | SCP (J1850) Communication Bus Fault |
| U1308 | U-Code | Network | Communication | Communication Module | SCP (J1850) Invalid or Missing Data for Function Read Engine Torque |