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International Automotive Technicians Network

Diagnostic Trouble Code Index for December 2023

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
5P0300Multiple Cylinder Misfire DetectedChevrolet, Mini, Porsche
3P0301Cylinder 1 Misfire DetectedBuick, Mini, Porsche
2P0053Heated Oxygen Sensor (Bank 1 Sensor 1) Heater ResistanceChevrolet, Ford
2P0171Fuel System Lean (Bank 1)GMC, Toyota
2P0302Cylinder 2 Misfire DetectedLexus, Mini
2P0303Cylinder 3 Misfire DetectedBuick, Mini
2P0420Catalyst Efficiency Below Normal (Bank 1)Buick, Ford
1B2204ECU configuration miss matchJeep
1P0010Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1)Porsche
1P0011Intake Camshaft Position System PerformanceSubaru
1P0016Crankshaft/Camshaft Timing MisalignmentChevrolet
1P0017Crankshaft Position - Exhaust Camshaft Position CorrelationChevrolet
1P0020Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2)Porsche
1P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit MalfunctionChevrolet
1P0076Intake Valve Control Solenoid Circuit Low (Bank 1)Porsche
1P0087Fuel Rail Pressure Too LowAudi
1P0101MAF Sensor PerformanceToyota
1P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit MalfunctionChevrolet
1P0136Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit MalfunctionPorsche
1P0170Fuel Trim Lean Or Rich (Bank 1)Audi
1P0304Cylinder 4 Misfire DetectedMini
1P0305Cylinder 5 Misfire DetectedBuick
1P0336Crankshaft Position Sensor PerformanceChevrolet
1P0341CMP Sensor PerformanceBuick
1P0342CMP Sensor Circuit Low VoltageBuick
1P0357Ignition Coil 7 Control Circuit MalfunctionChevrolet
1P0401Insufficient EGR Flow DetectedJeep
1P0474Exh pres sensor a intermittent/erraticFord
1P0700Automatic Transmission System Malfunction DetectedFord
1P0900ECM Internal FaultGMC
1P1603PCM Internal Shutdown Timer RationalityToyota
1P1604PCM Internal Dual-Port Ram Read/Write Integrity FailureToyota
1P1605Diagnostic Communication Line MalfunctionToyota
1P219ABank 1 Air-Fuel Ratio ImbalanceFord
1P219Bfuel trim cylinder balance bank 2Ford
1P2263Turbo/Super Charger System PerformanceFord
1P3191Engine Does Not StartToyota
1P3410The position sensor for the intake camshaft has a malfunctionAudi
1P3503Cylinder 3 misfireChevrolet