Diagnostic Trouble Code Index for August 2024
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 | P0303 | Cylinder 3 Misfire Detected | Ford, Honda, Land Rover |
| 2 | P0300 | Multiple Cylinder Misfire Detected | Ford, Honda |
| 2 | P0301 | Cylinder 1 Misfire Detected | Ford, Honda |
| 2 | P0302 | Cylinder 2 Misfire Detected | Ford, Honda |
| 1 | C121C | Torque request signal denied | Jeep |
| 1 | P0020 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2) | GMC |
| 1 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Toyota |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | GMC |
| 1 | P0054 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Mini |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 1 | P014C | O2 Sensor Slow response- Rich To Lean bank 1 Sensor 1 | Lincoln |
| 1 | P0304 | Cylinder 4 Misfire Detected | Ford |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | GMC |
| 1 | P0458 | EVAP Purge Solenoid Low Voltage | GMC |
| 1 | P0507 | Idle Speed High | Jeep |
| 1 | P060B | ETC A/D Ground Performance | Toyota |
| 1 | P2050 | Misfiring damages TWC | Mercedes-Benz |
| 1 | P2052 | Fuel Rail Pressure Sensor Implausible | Mercedes-Benz |
| 1 | P2053 | Misfire 3 | Mercedes-Benz |
| 1 | P2055 | Misfire cyl 6 | Mercedes-Benz |
| 1 | P2056 | cyl 5 misfire | Mercedes-Benz |
| 1 | P2057 | Oxygen Sensor Signal Voltage Too High | Mercedes-Benz |
| 1 | P2090 | Camshaft Position Actuator Circuit Low (Bank 2) | GMC |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Ford |
| 1 | P2173 | High Airflow / Vacuum Leak Detected (Slow Accumulation) | Jeep |
| 1 | P2563 | Turbocharger Boost Control Position Sensor Performance | Honda |
| 1 | U0020 | CAN bus off Performance | Ram |
| 1 | U1000 | Class 2 Communication Malfunction | Ram |
| 1 | U1210 | DVD-ROM Seek | Ram |
| 1 | U2105 | TCM - No Communication With Engine Control Module | Chevrolet |
