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International Automotive Technicians Network

Diagnostic Trouble Code Index for November 2020


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
3P0171Fuel System Lean (Bank 1)Ford, Infiniti
2P0174Fuel System Lean (Bank 2)Ford
2P0300Multiple Cylinder Misfire DetectedGMC, Volkswagen
2P0341CMP Sensor PerformanceAudi
2P0411Secondary AIR System Incorrect Airflow DetectedChevrolet, Volkswagen
2P0430Catalyst System Low Efficiency (Bank 2)Chevrolet, Jeep
2P0507Idle Speed HighVolkswagen, Volvo
1P000ACamshaft 1 Position Slow ResponseMaserati
1P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit MalfunctionGMC
1P0053Heated Oxygen Sensor (Bank 1 Sensor 1) Heater ResistanceGMC
1P0087Fuel Rail Pressure Too LowGMC
1P0088Fuel Rail Pressure Too HighGMC
1P0102MAF Sensor Circuit Low FrequencyFord
1P0106MAP Sensor PerformanceBuick
1P0128Engine Coolant Temperature Below Thermostat Regulating TemperatureVolkswagen
1P0134Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient ActivityGMC
1P0172Fuel System Rich (Bank 1)BMW
1P0202Fuel Injector 2 Control Circuit MalfunctionFord
1P0301Cylinder 1 Misfire DetectedVolkswagen
1P0302Cylinder 2 Misfire DetectedVolkswagen
1P0303Cylinder 3 Misfire DetectedVolkswagen
1P0304Cylinder 4 Misfire DetectedVolkswagen
1P0335Crankshaft Position Sensor Circuit MalfunctionToyota
1P0420Catalyst Efficiency Below Normal (Bank 1)Jeep
1P0443EVAP Purge Solenoid Control Circuit MalfunctionFord
1P1441EVAP System Flow During Non-Purge ConditionsToyota
1P1444EVAP Canister Purge Volume Control Valve Circuit MalfunctionToyota
1P16355-Volt Reference 1 Circuit MalfunctionFord
1P1A58Hybrid Battery Pack Relay OpenVolkswagen
1P2015Intake Manifold Runner Position Sensor PerformanceVolkswagen
1P2106Electronic Throttle Control System - Forced Limited PowerFord
1P2195Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck LeanFord
1P2197Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean"Ford
1P228DFuel Pressure Regulator 1 control performanceGMC
1P2311Ignition Coil 4 Secondary Circuit Insufficient IonizationDodge