Diagnostic Trouble Code Index for November 2018
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 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Dodge, Hyundai, Jeep, Land Rover, Volkswagen |
| 4 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Dodge, Subaru |
| 3 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Dodge, Land Rover |
| 3 | P0301 | Cylinder 1 Misfire Detected | Audi, Honda, Subaru |
| 3 | P0304 | Cylinder 4 Misfire Detected | Audi, Honda |
| 2 | P0302 | Cylinder 2 Misfire Detected | Audi, Ford |
| 2 | P0411 | Secondary AIR System Incorrect Airflow Detected | Cadillac, Chevrolet |
| 2 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Nissan |
| 2 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Dodge, Ford |
| 1 | C1113 | Trailer brake control relay high | Chevrolet |
| 1 | C1114 | Trailer brakecontrol solinoid control circuit | Chevrolet |
| 1 | C121A | steering wheel pos sen not initiaized | Jeep |
| 1 | P0011 | Intake Camshaft Position System Performance | Ford |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Chevrolet |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Ford |
| 1 | P0088 | Fuel Rail Pressure Too High | Audi |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Hyundai |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Mercury |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Jeep |
| 1 | P0172 | Fuel System Rich (Bank 1) | Toyota |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Jeep |
| 1 | P0175 | Fuel System Rich (Bank 2) | Toyota |
| 1 | P0234 | Turbocharger Engine Overboost | Jeep |
| 1 | P0282 | Cylinder 8 Injector Circuit Low | Ford |
| 1 | P0303 | Cylinder 3 Misfire Detected | Audi |
| 1 | P0305 | Cylinder 5 Misfire Detected | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Toyota |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Dodge |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Ford |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | Ford |
| 1 | P0456 | EVAP System Very Small Leak Detected | Jeep |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Ford |
| 1 | P0507 | Idle Speed High | Infiniti |
| 1 | P0672 | Glow Plug No. 2 Control Circuit Malfunction | Chevrolet |
| 1 | P0688 | ASD Relay Sense Circuit Low | Jeep |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Honda |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Toyota |
| 1 | P1155 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1342 | Camshaft Position Sensor 'A' Circuit Low Input (Bank 2) | BMW |
| 1 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Jeep |
| 1 | P1446 | EVAP Canister Vent Valve Malfunction (Closed) | Nissan |
| 1 | P1475 | Low Fan Relay Control Circuit Malfunction | Volkswagen |
| 1 | P1477 | Medium Fan Control Primary Circuit Malfunction | BMW |
| 1 | P1506 | Idle Air Control System RPM Higher Than Expected | Mazda |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Chevrolet |
| 1 | P1782 | 2-4 Pressure Switch Sense Circuit Malfunction | Mercedes-Benz |
| 1 | P186A | Engine cannot be started due to exhaust aftertreatment system tampered with | Mercedes-Benz |
| 1 | P1A0C | Hybrid Powertrain Control Module - Engine Disabled | Ford |
| 1 | P2105 | Throttle Actuator Control System - Forced Engine Shutdown | Chevrolet |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2296 | Fuel Pressure Solenoid 2 Control Circuit High | Audi |
| 1 | P2990 | Turbo / super charger underboost | Volkswagen |
| 1 | P3091 | High pressure fuel below disired pressure | Mini |
| 1 | U0019 | can b bus | Jeep |
| 1 | U0073 | Control Module Communication Bus Off | Subaru |
| 1 | U0141 | Lost Communication With Front Control Module | Jeep |
| 1 | U1403 | Implausible Fuel Level Signal Received | Jeep |
