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International Automotive Technicians Network

Diagnostic Trouble Code Index for June 2018

Note: This is a professional automotive technician's resource.
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Diagnostic Trouble Codes (DTC)
Count Trouble Code Sample Definition Manufacturers
12P0300Multiple Cylinder Misfire DetectedCadillac, Chevrolet, Dodge, Honda, Hyundai, Mercedes-Benz, Toyota
8P0303Cylinder 3 Misfire DetectedAudi, Cadillac, Dodge, Ford, Honda, Hyundai, Mercedes-Benz
4P0171Fuel System Lean (Bank 1)BMW, Chevrolet, Ford, Mazda
4P0174Fuel System Lean (Bank 2)Chevrolet, Ford, Lexus, Mazda
4P0301Cylinder 1 Misfire DetectedDodge, Honda, Ram
4P0304Cylinder 4 Misfire DetectedAudi, Cadillac, Honda, Toyota
4P0305Cylinder 5 Misfire DetectedAudi, Hyundai, Land Rover
2P0012Camshaft Position 'A' Over-Retarded (Bank 1)Ford, Mazda
2P0100Mass Airflow Sensor Circuit MalfunctionJeep, Toyota
2P0172Fuel System Rich (Bank 1)Land Rover, Subaru
2P0234Turbocharger Engine OverboostChevrolet, Ford
2P0302Cylinder 2 Misfire DetectedHonda, Toyota
2P0306Cylinder 6 Misfire DetectedAudi, Dodge
2P0320No Crank Reference Signal To PCMFord
2P0335Crankshaft Position Sensor Circuit MalfunctionDodge, Jaguar
2P0340Camshaft Position Sensor Circuit MalfunctionDodge, Mazda
2P0441EVAP Purge System PerformanceVolkswagen
2P0446EVAP Vent System PerformanceFord, Jaguar
2P0456EVAP System Very Small Leak DetectedJaguar, Porsche
2P2188Fuel Trim System Rich At Idle (Bank 1)Mazda
1B2799Engine Immobilizer System MalfunctionToyota
1C1119reduced throttleMazda
1C1130engine 1 fuel cut system faultNissan
1C1442VDC interruption for engine convenienceSubaru
1P0011Intake Camshaft Position System PerformanceNissan
1P0021Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)Nissan
1P0028Intake Valve Solenoid Circuit Range/Performance (Bank 2)Subaru
1P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low VoltageDodge
1P0051Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low VoltageDodge
1P0068Throttle Body Airflow PerformancePorsche
1P0090Fuel Pressure Regulator 1 Control Circuit MalfunctionChevrolet
1P0101MAF Sensor PerformanceChevrolet
1P0108MAP Sensor Circuit High VoltageDodge
1P0113IAT Sensor Circuit High VoltageDodge
1P0116ECT Sensor PerformanceVolvo
1P0118ECT Sensor Circuit High VoltageDodge
1P0123TP Sensor Circuit High VoltageDodge
1P0134Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient ActivityGMC
1P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low VoltageDodge
1P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low VoltageChevrolet
1P0152Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High VoltageChevrolet
1P0154Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient ActivityChevrolet
1P0157Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low VoltageIsuzu
1P0158Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High VoltageChevrolet
1P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit MalfunctionMitsubishi
1P0175Fuel System Rich (Bank 2)Land Rover
1P0191Fuel Rail Pressure Sensor PerformanceFord
1P0201Fuel Injector 1 Control Circuit MalfunctionDodge
1P0202Fuel Injector 2 Control Circuit MalfunctionDodge
1P0203Fuel Injector 3 Control Circuit MalfunctionDodge
1P0204Fuel Injector 4 Control Circuit MalfunctionDodge
1P0205Fuel Injector 5 Control Circuit MalfunctionDodge
1P0215Engine Shutoff Solenoid Control Circuit MalfunctionDodge
1P0216Injection Timing Control Circuit MalfunctionDodge
1P0230Fuel Pump Relay Control Circuit MalfunctionGMC
1P0236Turbocharger Boost System PerformanceChevrolet
1P023FFuel Pump Control Circuit MalfunctionChevrolet
1P0261Fuel Injector 1 Control Circuit Low VoltageFord
1P0264Fuel Injector 2 Control Circuit Low VoltageFord
1P0267Fuel Injector 3 Control Circuit Low VoltageFord
1P0270Fuel Injector 4 Control Circuit Low VoltageFord
1P0273Fuel Injector 5 Control Circuit Low VoltageFord
1P0276Fuel Injector 6 Control Circuit Low VoltageFord
1P0299Turbocharger Engine UnderboostAudi
1P0308Cylinder 8 Misfire DetectedFord
1P0316Misfire Occurred In First 1,000 RevolutionsLand Rover
1P0322Crankshaft Position Sensor Circuit No SignalVolkswagen
1P0365Exhaust Camshaft Position Sensor Circuit MalfunctionJeep
1P0420Catalyst Efficiency Below Normal (Bank 1)Volkswagen
1P0430Catalyst System Low Efficiency (Bank 2)Chevrolet
1P0440General EVAP System FailureLexus
1P0449EVAP Vent Solenoid Control Circuit MalfunctionChevrolet
1P0457Loose Fuel CapFord
1P0480Cooling Fan Relay 1 Control Circuit MalfunctionFord
1P0500Vehicle Speed Sensor Circuit MalfunctionJaguar
1P0505Idle Control System MalfunctionToyota
1P0521Engine Oil Pressure Sensor PerformanceChevrolet
1P0535A/C Evaporator Temperature Sensor Circuit MalfunctionCadillac
1P0601Control Module Read Only MemoryFord
1P0660Manifold Tune Valve Solenoid Circuit MalfunctionMitsubishi
1P0688ASD Relay Sense Circuit LowDodge
1P0700Automatic Transmission System Malfunction DetectedDodge
1P0850Park Neutral Switch PerformanceCadillac
1P1000OBD II Monitor Testing No CompletedFord
1P1016Ignition Coil 1 Output Stage Circuit / OpenFord
1P1096Tumble Generator Valve Signal 2 Circuit Malfunction OpenSubaru
1P1110Atmospheric Pressure Sensor Low VoltageNissan
1P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient SwitchingChevrolet
1P1157Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High VoltageHonda
1P1189Engine Oil Pressure Switch Circuit MalfunctionMercedes-Benz
1P1215AF ECM Output Circuit MalfunctionMercedes-Benz
1P1449Canister Drive Cut Valve Circuit MalfunctionSubaru
1P1672Low Oil Level Lamp Control Circuit MalfunctionPorsche
1P1690SMARTA - No ResponseDodge
1P1693Transponder No Response Error / Invalid ResponseDodge
1P1775Solenoid Switch Latched In TCC PositionJaguar
1P2076Intake Manifold Tuning Valve Position Sensor PerformanceChevrolet
1P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)Chevrolet
1P2101Control Module Throttle Actuator Position PerformanceNissan
1P2104ETC System Malfunction - Forced IdleFord
1P2105Throttle Actuator Control System - Forced Engine ShutdownFord
1P2106Electronic Throttle Control System - Forced Limited PowerFord
1P2110Electronic Throttle Control - Forced Limited RPMFord
1P213AEGR Airflow Throttle Control Valve Circuit 'B' OpenMercedes-Benz
1P2178Fuel Trim System Rich At Cruise or Acceleration (Bank 1)Mazda
1P2187Fuel Trim System Lean At Idle (Bank 1)Mazda
1P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck RichFord
1P2198Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich"Ford
1P219FCylinder 4 air fuel ratio imbalanceAudi
1P2407EVAP Leak Detection Pump Sense Circuit Intermittent/ErraticMazda
1P2442Secondary AIR System Switching Valve Stuck Open (Bank 2)Toyota
1P2504Charging System Voltage HighDodge
1P2601Coolant Pump Control Circuit PerformanceCadillac
1P2638Torque Management Feedback Signal PerformanceDodge
1P601Dinternal control module maf performanceFord
1U0100Lost Communication With ECM/PCMDodge
1U0121Lost Communication With Antilock Brake System ModuleJeep
1U0164Lost Communication With HVAC Control ModuleDodge
1U0212lost communicationDodge
1U0416invalid communicationDodge
1U110BLost Engine Coolant MessageDodge
1U1402Implausible Engine Temperature Signal ReceivedDodge
1U1900CAN System Communication ErrorMazda
1U2516CAN System Wiring Harness Open Or ShortedMazda