Diagnostic Trouble Code Index for February 2021
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 |
| 8 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Honda, Isuzu, Jeep, Nissan |
| 5 | P0171 | Fuel System Lean (Bank 1) | Buick, Cadillac, Honda, Subaru, Toyota |
| 3 | P0304 | Cylinder 4 Misfire Detected | Jeep, Mercedes-Benz, Mini |
| 3 | P0305 | Cylinder 5 Misfire Detected | Acura, Honda, Jeep |
| 2 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet |
| 2 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet |
| 2 | P0172 | Fuel System Rich (Bank 1) | Chevrolet |
| 2 | P0175 | Fuel System Rich (Bank 2) | Chevrolet |
| 2 | P0301 | Cylinder 1 Misfire Detected | Dodge, Toyota |
| 2 | P2635 | Fuel Pump Flow Performance | Chevrolet |
| 1 | B218B | Ignition run/ start over current | Chrysler |
| 1 | C0140 | Can | Subaru |
| 1 | P0011 | Intake Camshaft Position System Performance | Chevrolet |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Other Asian |
| 1 | P0056 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Control Circuit Malfunction | Chevrolet |
| 1 | P0060 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Resistance | Chevrolet |
| 1 | P0087 | Fuel Rail Pressure Too Low | Audi |
| 1 | P0101 | MAF Sensor Performance | Chevrolet |
| 1 | P0106 | MAP Sensor Performance | Chevrolet |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Chevrolet |
| 1 | P0152 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage | Chevrolet |
| 1 | P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | Chevrolet |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 1 | P0236 | Turbocharger Boost System Performance | Dodge |
| 1 | P0302 | Cylinder 2 Misfire Detected | Jeep |
| 1 | P0303 | Cylinder 3 Misfire Detected | Chevrolet |
| 1 | P0306 | Cylinder 6 Misfire Detected | Jeep |
| 1 | P0313 | Misfire Detected With Low Fuel | Mercedes-Benz |
| 1 | P043E | EVAP System Reference Orifice Clog Up | Toyota |
| 1 | P043F | EVAP System Reference Orifice High Flow | Toyota |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P0520 | Engine Oil Pressure Sensor Circuit Malfunction | Dodge |
| 1 | P0571 | Brake Switch 1 Performance | Chrysler |
| 1 | P0600 | Serial Communication Link | Subaru |
| 1 | P0605 | Control Module Programming Read Only Memory | Dodge |
| 1 | P0606 | Control Module Internal Performance | Mazda |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Subaru |
| 1 | P1237 | Fuel Pump Secondary Circuit Malfunction | Ford |
| 1 | P1347 | Mass Airflow Sensor Circuit low | Audi |
| 1 | P1411 | Cylinder 1 Reactivation Control Performance | Ram |
| 1 | P2263 | Turbo/Super Charger System Performance | Ford |
| 1 | P2401 | EVAP Leak Detection Pump Control Circuit Low | Toyota |
| 1 | P2402 | EVAP Leak Detection Pump Control Circuit High | Toyota |
| 1 | P2419 | EVAP Switching Valve Control Circuit Low | Toyota |
| 1 | P2626 | Heated Oxygen Sensor (Bank 1 Sensor 1) Pumping Current Trim Circuit | Dodge |
| 1 | U0101 | Lost Communication With TCM | Dodge |
| 1 | U0141 | Lost Communication With Front Control Module | Chrysler |
| 1 | U0151 | Lost Communication With Sensing And Diagnostic Module | Chrysler |
| 1 | U1116 | Lost comm LR tpms | Chrysler |
