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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
7P0300Multiple Cylinder Misfire DetectedCadillac, Chevrolet, Dodge, Hyundai, Mercedes-Benz, Toyota
5P0303Cylinder 3 Misfire DetectedCadillac, Dodge, Hyundai, Mercedes-Benz
3P0305Cylinder 5 Misfire DetectedHyundai, Land Rover
2P0012Camshaft Position 'A' Over-Retarded (Bank 1)Ford, Mazda
2P0171Fuel System Lean (Bank 1)BMW, Chevrolet
2P0301Cylinder 1 Misfire DetectedDodge, Ram
2P0304Cylinder 4 Misfire DetectedCadillac, Toyota
2P0456EVAP System Very Small Leak DetectedJaguar, Porsche
1B2799Engine Immobilizer System MalfunctionToyota
1C1119reduced throttleMazda
1P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low VoltageDodge
1P0116ECT Sensor PerformanceVolvo
1P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low VoltageDodge
1P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit MalfunctionMitsubishi
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
1P0230Fuel Pump Relay Control Circuit MalfunctionGMC
1P0234Turbocharger Engine OverboostChevrolet
1P0236Turbocharger Boost System PerformanceChevrolet
1P023FFuel Pump Control Circuit MalfunctionChevrolet
1P0302Cylinder 2 Misfire DetectedToyota
1P0316Misfire Occurred In First 1,000 RevolutionsLand Rover
1P0320No Crank Reference Signal To PCMFord
1P0322Crankshaft Position Sensor Circuit No SignalVolkswagen
1P0335Crankshaft Position Sensor Circuit MalfunctionJaguar
1P0340Camshaft Position Sensor Circuit MalfunctionMazda
1P0365Exhaust Camshaft Position Sensor Circuit MalfunctionJeep
1P0420Catalyst Efficiency Below Normal (Bank 1)Volkswagen
1P0440General EVAP System FailureLexus
1P0441EVAP Purge System PerformanceVolkswagen
1P0446EVAP Vent System PerformanceJaguar
1P0457Loose Fuel CapFord
1P0500Vehicle Speed Sensor Circuit MalfunctionJaguar
1P0535A/C Evaporator Temperature Sensor Circuit MalfunctionCadillac
1P0660Manifold Tune Valve Solenoid Circuit MalfunctionMitsubishi
1P0850Park Neutral Switch PerformanceCadillac
1P1157Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High VoltageHonda
1P1189Engine Oil Pressure Switch Circuit MalfunctionMercedes-Benz
1P1215AF ECM Output Circuit MalfunctionMercedes-Benz
1P1672Low Oil Level Lamp Control Circuit MalfunctionPorsche
1P1775Solenoid Switch Latched In TCC PositionJaguar
1P2076Intake Manifold Tuning Valve Position Sensor PerformanceChevrolet
1P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)Chevrolet
1P2106Electronic Throttle Control System - Forced Limited PowerFord
1P213AEGR Airflow Throttle Control Valve Circuit 'B' OpenMercedes-Benz
1P2187Fuel Trim System Lean At Idle (Bank 1)Mazda
1P2188Fuel Trim System Rich 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
1P2442Secondary AIR System Switching Valve Stuck Open (Bank 2)Toyota
1P2601Coolant Pump Control Circuit PerformanceCadillac
1U0121Lost Communication With Antilock Brake System ModuleJeep
1U0212lost communicationDodge
1U0416invalid communicationDodge
1U1900CAN System Communication ErrorMazda
1U2516CAN System Wiring Harness Open Or ShortedMazda