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International Automotive Technicians Network

Diagnostic Trouble Code Index for April 2020

Note: This is a professional automotive technician's resource.
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Diagnostic Trouble Codes (DTC)
Count Trouble Code Sample Definition Manufacturers
9P0300Multiple Cylinder Misfire DetectedAcura, BMW, Buick, Chevrolet, Infiniti
3P0011Intake Camshaft Position System PerformanceInfiniti, Kia, Volkswagen
3P0171Fuel System Lean (Bank 1)GMC, Hyundai, Nissan
3P0174Fuel System Lean (Bank 2)BMW, Hyundai, Land Rover
3P0301Cylinder 1 Misfire DetectedBMW, Ford, Honda
3P0302Cylinder 2 Misfire DetectedAcura, BMW, Chevrolet
2P0016Crankshaft/Camshaft Timing MisalignmentBMW, Volkswagen
2P0341CMP Sensor PerformanceHonda, Volkswagen
2P2187Fuel Trim System Lean At Idle (Bank 1)Hyundai
1B1687Engine coolant temp sensorHyundai
1B2796No Communication With The Immobilizer SystemToyota
1C0243Engine drag controlCadillac
1C0244Pulse width torque commandCadillac
1C0340Cam sensor circuit bank 1Infiniti
1C0931fault in can communicationMercedes-Benz
1C1358can con for ecm is faultyMercedes-Benz
1P0004Fuel Quality Control Circuit HighVolkswagen
1P0012Camshaft Position 'A' Over-Retarded (Bank 1)Hyundai
1P0014Exhaust Camshaft Position System PerformanceKia
1P003ATurbocharger Boost Control Position Not LearnedChevrolet
1P0100Mass Airflow Sensor Circuit MalfunctionToyota
1P0106MAP Sensor PerformanceChevrolet
1P0110Intake Air Temperature Sensor Circuit MalfunctionToyota
1P0154Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient ActivitySuzuki
1P0178Fuel Composition Sensor Low FrequencyMercedes-Benz
1P0219Engine Overspeed ConditionChevrolet
1P0234Turbocharger Engine OverboostFord
1P0303Cylinder 3 Misfire DetectedBMW
1P0304Cylinder 4 Misfire DetectedBMW
1P0305Cylinder 5 Misfire DetectedFord
1P0306Cylinder 6 Misfire DetectedAcura
1P0320No Crank Reference Signal To PCMFord
1P0335Crankshaft Position Sensor Circuit MalfunctionAcura
1P0336Crankshaft Position Sensor PerformanceHonda
1P0345Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2)Toyota
1P0365Exhaust Camshaft Position Sensor Circuit MalfunctionToyota
1P0390Exhaust Camshaft Position Sensor Circuit Malfunction (Bank 2)Toyota
1P0401Insufficient EGR Flow DetectedChevrolet
1P0407EGR Position Sensor 'B' Circuit Low VoltageFord
1P0421Warmup Catalyst Efficiency Low (Bank 1)Mazda
1P0430Catalyst System Low Efficiency (Bank 2)Land Rover
1P0444EVAP Canister Purge Volume Control Solenoid Circuit Low VoltageHyundai
1P0449EVAP Vent Solenoid Control Circuit MalfunctionBuick
1P0455EVAP System Large Leak DetectedHyundai
1P0471Exhaust Backpressure Circuit Range/PerformanceFord
1P0488EGR Airflow Throttle Control Circuit PerformanceFord
1P0506Idle Speed LowGMC
1P0507Idle Speed HighVolkswagen
1P0603Control Module Long Term Memory ResetFord
1P0700Automatic Transmission System Malfunction DetectedChevrolet
1P1247Fuel Injector 8 Control Circuit ShortedFord
1P1248AWD PlausibilityFord
1P1289Manifold Tuning Valve Control Circuit MalfunctionFord
1P132BTurbocharger Boost Control A PerformanceFord
1P1330Igniter No. 7 Circuit MalfunctionKia
1P1391CKP Or CMP Sensor Signal IntermittentDodge
1P1412EGR Vacuum Regulator Solenoid Circuit MalfunctionLand Rover
1P146Boil pressure switchVolkswagen
1P154BIntake Air (IA) Heater Signal Circuit MalfunctionGMC
1P1558Battery Module Temperature Sensor Signal 3 Circuit High VoltageFord
1P161Asame as aboveFord
1P1D03The vent valve for the crankcase has an electrical fault. There is an open circutMercedes-Benz
1P2096Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)Kia
1P2176Minimum Throttle Position Not LearnedMercedes-Benz
1P2177Fuel Trim System Lean At Cruise Or Acceleration (Bank 1)Mazda
1P2189Fuel Trim System Lean At Idle (Bank 2)Hyundai
1P218FReductant no flow detectedFord
1P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck RichKia
1P2441Secondary Air Injection System Switching Valve Stuck ClosedSubaru
1P2444Secondary Air Injection System Control/Shut-Off Valve Stuck OnSubaru
1P2A01Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop PerformanceJaguar
1P2A04Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop PerformanceJaguar
1P3410The position sensor for the intake camshaft has a malfunctionMercedes-Benz
1U0101Lost Communication With TCMRam
1U0121Lost Communication With Antilock Brake System ModuleFord
1U0151Lost Communication With Sensing And Diagnostic ModuleChevrolet
1U0293Lost Communication With HV/ECUChevrolet
1U0420Invalid data received from power steering control moduleChevrolet
1U1000Class 2 Communication MalfunctionCadillac
1U1817lost comm w/ hybrid/EV PCM symp 00Chevrolet