Diagnostic Trouble Code Index for July 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 |
| 9 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Dodge, Hyundai, Nissan, Porsche, Volkswagen |
| 5 | P0301 | Cylinder 1 Misfire Detected | Chevrolet, Chrysler, Honda, Toyota, Volkswagen |
| 4 | P0171 | Fuel System Lean (Bank 1) | Land Rover, Subaru, Volkswagen |
| 3 | P0304 | Cylinder 4 Misfire Detected | Nissan, Porsche, Toyota |
| 2 | P0172 | Fuel System Rich (Bank 1) | Buick, Chevrolet |
| 2 | P0175 | Fuel System Rich (Bank 2) | Audi, Chevrolet |
| 2 | P0302 | Cylinder 2 Misfire Detected | Honda, Volkswagen |
| 2 | P0303 | Cylinder 3 Misfire Detected | Volkswagen |
| 2 | P0340 | Camshaft Position Sensor Circuit Malfunction | Jaguar, Nissan |
| 2 | P0507 | Idle Speed High | Ford, Volkswagen |
| 2 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Toyota |
| 1 | B1213 | Less Than Two Keys Programmed To The System | Ford |
| 1 | P0011 | Intake Camshaft Position System Performance | Toyota |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Subaru |
| 1 | P0040 | Oxygen Sensor Signals Swapped, Bank 1 Sensor 1 - Bank 1 Sensor 2 | Nissan |
| 1 | P0087 | Fuel Rail Pressure Too Low | Ford |
| 1 | P0088 | Fuel Rail Pressure Too High | Audi |
| 1 | P0101 | MAF Sensor Performance | Pontiac |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Buick |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Dodge |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Kia |
| 1 | P0174 | Fuel System Lean (Bank 2) | Land Rover |
| 1 | P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Volkswagen |
| 1 | P0192 | Fuel Rail Pressure Sensor Circuit Low Voltage | Mazda |
| 1 | P0246 | Turbocharger Wastegate Control Circuit High Voltage | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Ford |
| 1 | P0305 | Cylinder 5 Misfire Detected | Porsche |
| 1 | P0306 | Cylinder 6 Misfire Detected | Porsche |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chevrolet |
| 1 | P0404 | EGR Open Position Performance | Chevrolet |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Buick |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Nissan |
| 1 | P0446 | EVAP Vent System Performance | Toyota |
| 1 | P0448 | EVAP Canister Vent Control Valve Closed | Nissan |
| 1 | P0451 | Fuel Tank Pressure Sensor Performance | Chevrolet |
| 1 | P0455 | EVAP System Large Leak Detected | Honda |
| 1 | P0456 | EVAP System Very Small Leak Detected | Honda |
| 1 | P0463 | Fuel Level Sensor High Voltage | Nissan |
| 1 | P0472 | Exhaust Backpressure Sensor Circuit Low Input | Ford |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Toyota |
| 1 | P050D | Cold Start Rough Idle | Chevrolet |
| 1 | P0520 | Engine Oil Pressure Sensor Circuit Malfunction | Jeep |
| 1 | P053F | cold start fuel pressure performance value below lower limit value | Audi |
| 1 | P0627 | Fuel Pump Relay Control Circuit Malfunction | Chevrolet |
| 1 | P0629 | Fuel Pump Relay Control Circuit High Voltage | Chevrolet |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Cadillac |
| 1 | P0703 | Brake Switch Circuit 2 Malfunction | Ford |
| 1 | P0727 | Engine Speed No Signal | Jaguar |
| 1 | P0A0F | Engine Failed To Start | Toyota |
| 1 | P0C2C | Electronic transmission fluid pump control module feedback signal range/performance | Ford |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1094 | Fuel Rail Pressure Low During Idle Or Decel Fuel Cutoff | Chevrolet |
| 1 | P1249 | Wastegate Fail Steady State Test | Ford |
| 1 | P130A | Cylinder Disabling | Volkswagen |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Ford |
| 1 | P1414 | Cylinder 4 Reactivation Control Performance | Chevrolet |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Toyota |
| 1 | P1605 | Diagnostic Communication Line Malfunction | Toyota |
| 1 | P1607 | PCM Internal Shutdown Timer Slow Rationality | Chrysler |
| 1 | P2119 | Throttle Closed Position Performance | Buick |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Buick |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Hyundai |
| 1 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | P2534 | Ignition 1 Switch Circuit Low Voltage | Cadillac |
| 1 | P2539 | Low pressure fuel system sensor circuit | Volkswagen |
| 1 | P3190 | Poor Engine Power | Toyota |
| 1 | P3400 | Cylinder Deactivation System Performance | GMC |
| 1 | U0100 | Lost Communication With ECM/PCM | Jeep |
| 1 | U0141 | Lost Communication With Front Control Module | Jeep |
