Diagnostic Trouble Code Index for December 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 | P0304 | Cylinder 4 Misfire Detected | Cadillac, Honda, Volkswagen |
| 2 | P0300 | Multiple Cylinder Misfire Detected | Honda, Volkswagen |
| 2 | P0301 | Cylinder 1 Misfire Detected | Ford |
| 2 | P0303 | Cylinder 3 Misfire Detected | Cadillac, Ford |
| 2 | P0305 | Cylinder 5 Misfire Detected | Ford, Honda |
| 2 | P0306 | Cylinder 6 Misfire Detected | Honda, Volkswagen |
| 2 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford, Volkswagen |
| 2 | P0345 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Ford |
| 2 | P0390 | Exhaust Camshaft Position Sensor Circuit Malfunction (Bank 2) | Ford, Jeep |
| 2 | P228C | Fuel Pressure Regulator1Exceeds Control Limits | Chevrolet |
| 1 | B2900 | Vin Mismatch ABS | Ford |
| 1 | C1805 | Mismatched PCM and or ABS/ TCS module in ABS | Ford |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Chevrolet |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Kia |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Jeep |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Jeep |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Jeep |
| 1 | P0198 | Engine Oil Temperature Sensor Circuit High | Jeep |
| 1 | P0299 | Turbocharger Engine Underboost | Volkswagen |
| 1 | P0302 | Cylinder 2 Misfire Detected | Volkswagen |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Honda |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Kia |
| 1 | P0341 | CMP Sensor Performance | Chevrolet |
| 1 | P0363 | Misfire detected-fueling disabled | Volkswagen |
| 1 | P0394 | Camshaft Position Sensor 1 - Signal Intermittent | Ford |
| 1 | P0462 | Fuel Level Sensor Low Voltage | Ford |
| 1 | P0512 | Starter Request Circuit Malfunction | Mercedes-Benz |
| 1 | P0523 | Engine Oil Pressure Sensor Circuit High Voltage | Jeep |
| 1 | P061B | Internal Control Module Torque Calculation Performance | Mercedes-Benz |
| 1 | P0627 | Fuel Pump Relay Control Circuit Malfunction | Mercedes-Benz |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1525 | Camshaft Adjuster End Stage | Mercedes-Benz |
| 1 | P2027 | BARO Sensor Circuit Range/Performance | Ford |
| 1 | P2181 | Cooling System Performance | Volkswagen |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 1 | P219B | fuel trim cylinder balance bank 2 | Honda |
| 1 | P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich | Ford |
| 1 | P2279 | Intake Air System Leak | Mercedes-Benz |
| 1 | P2290 | Injector Control Pressure Too Low | Ford |
| 1 | U0109 | Lost communication with fuel pump control module | Mercedes-Benz |
| 1 | U1262 | Data Circuit Malfunction | Ford |
