Diagnostic Trouble Code Index for February 2019
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 |
| 2 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Mercedes-Benz |
| 2 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Mercedes-Benz |
| 2 | P0174 | Fuel System Lean (Bank 2) | Acura, Ford |
| 2 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Mercedes-Benz |
| 2 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Land Rover |
| 1 | C1124 | Rr abs solenoid | Nissan |
| 1 | P0008 | Engine Position System Performance (Bank 1) | Chevrolet |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Toyota |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Toyota |
| 1 | P0069 | Abnormal Correlation Between MAP And BARO Sensor | Land Rover |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Land Rover |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Mercedes-Benz |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Volkswagen |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Mercedes-Benz |
| 1 | P015A | upstream o2 sensor slow to switch | Chevrolet |
| 1 | P0171 | Fuel System Lean (Bank 1) | Ford |
| 1 | P0175 | Fuel System Rich (Bank 2) | Mercedes-Benz |
| 1 | P0221 | Throttle Position Sensor 2 Performance | Jeep |
| 1 | P0301 | Cylinder 1 Misfire Detected | Chevrolet |
| 1 | P0302 | Cylinder 2 Misfire Detected | Volkswagen |
| 1 | P0304 | Cylinder 4 Misfire Detected | Audi |
| 1 | P0306 | Cylinder 6 Misfire Detected | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Mercedes-Benz |
| 1 | P0308 | Cylinder 8 Misfire Detected | Mercedes-Benz |
| 1 | P0365 | Exhaust Camshaft Position Sensor Circuit Malfunction | Mazda |
| 1 | P0442 | EVAP System Small Leak Detected | Chevrolet |
| 1 | P0506 | Idle Speed Low | Land Rover |
| 1 | P0507 | Idle Speed High | Volkswagen |
| 1 | P052E | crankcase ventilation valve is faulty actuator is blocked | Mercedes-Benz |
| 1 | P0672 | Glow Plug No. 2 Control Circuit Malfunction | Ford |
| 1 | P0673 | Glow Plug No. 3 Control Circuit Malfunction | Ford |
| 1 | P0721 | Output Shaft Speed Sensor Circuit Malfunction | Land Rover |
| 1 | P0826 | Up And Downshift Switch Circuit Malfunction | Nissan |
| 1 | P0899 | Fuel Pressure Regulator Valve 1 is faulty | Mercedes-Benz |
| 1 | P1116 | Engine Coolant Temperature Sensor Performance | Mercury |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Toyota |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Audi |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Toyota |
| 1 | P1638 | Generator 'F' Terminal Circuit Malfunction | Chevrolet |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Chevrolet |
| 1 | P2110 | Electronic Throttle Control - Forced Limited RPM | Jeep |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Jeep |
| 1 | P2173 | High Airflow / Vacuum Leak Detected (Slow Accumulation) | Chrysler |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Mercedes-Benz |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 1 | P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean | Mercedes-Benz |
| 1 | P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich | Mercedes-Benz |
| 1 | P2272 | Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Lean | Mercedes-Benz |
| 1 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | P250D | engine oil level sensor circuit high | Ford |
| 1 | P2646 | VTEC Oil Pressure Switch Circuit Low Voltage | Honda |
| 1 | P2A00 | Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop Performance | Nissan |
| 1 | U1000 | Class 2 Communication Malfunction | Nissan |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
