Diagnostic Trouble Code Index for October 2025
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 3 | P0302 | Cylinder 2 Misfire Detected | Ford, Honda |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Hyundai |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Hyundai |
| 1 | P0091 | Fuel Pressure Regulator 1 Control Circuit Low Voltage | GMC |
| 1 | P0101 | MAF Sensor Performance | Chevrolet |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0171 | Fuel System Lean (Bank 1) | Ford |
| 1 | P0301 | Cylinder 1 Misfire Detected | Honda |
| 1 | P0304 | Cylinder 4 Misfire Detected | Honda |
| 1 | P0306 | Cylinder 6 Misfire Detected | Ford |
| 1 | P0341 | CMP Sensor Performance | Audi |
| 1 | P0390 | Exhaust Camshaft Position Sensor Circuit Malfunction (Bank 2) | Jeep |
| 1 | P0733 | Gear Ratio Error In Third | Jeep |
| 1 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | Chevrolet |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1471 | intake | Ram |
| 1 | P163A | Fuel pressure regulator circuit performance | GMC |
| 1 | P2101 | Control Module Throttle Actuator Position Performance | Nissan |
| 1 | P219B | fuel trim cylinder balance bank 2 | Jeep |
| 1 | P2263 | Turbo/Super Charger System Performance | Nissan |
| 1 | P242F | Diesel Particulate Filter Restriction - Ash Accumulation | Ram |
| 1 | P2463 | Diesel Particulate Filter Soot Level Accumulation | Ram |
| 1 | U0131 | FCAN Malfunction (EPS-ECM) | Jeep |
| 1 | U1449 | Implausible ers message recieved | Ram |