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International Automotive Technicians Network

Diagnostic Trouble Code Index for July 2019

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
9P0300Multiple Cylinder Misfire DetectedChevrolet, Dodge, Hyundai, Nissan, Porsche, Volkswagen
5P0301Cylinder 1 Misfire DetectedChevrolet, Chrysler, Honda, Toyota, Volkswagen
4P0171Fuel System Lean (Bank 1)Land Rover, Subaru, Volkswagen
3P0304Cylinder 4 Misfire DetectedNissan, Porsche, Toyota
2P0172Fuel System Rich (Bank 1)Buick, Chevrolet
2P0175Fuel System Rich (Bank 2)Audi, Chevrolet
2P0302Cylinder 2 Misfire DetectedHonda, Volkswagen
2P0303Cylinder 3 Misfire DetectedVolkswagen
2P0340Camshaft Position Sensor Circuit MalfunctionJaguar, Nissan
2P0507Idle Speed HighFord, Volkswagen
2P1604PCM Internal Dual-Port Ram Read/Write Integrity FailureToyota
1B1213Less Than Two Keys Programmed To The SystemFord
1P0011Intake Camshaft Position System PerformanceToyota
1P0018Crankshaft Position - Intake Camshaft Position Correlation (Bank 2)Subaru
1P0040Oxygen Sensor Signals Swapped, Bank 1 Sensor 1 - Bank 1 Sensor 2Nissan
1P0087Fuel Rail Pressure Too LowFord
1P0088Fuel Rail Pressure Too HighAudi
1P0101MAF Sensor PerformancePontiac
1P0113IAT Sensor Circuit High VoltageBuick
1P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low VoltageDodge
1P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High VoltageDodge
1P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High VoltageKia
1P0174Fuel System Lean (Bank 2)Land Rover
1P0190Fuel Rail Pressure Sensor Circuit MalfunctionVolkswagen
1P0192Fuel Rail Pressure Sensor Circuit Low VoltageMazda
1P0246Turbocharger Wastegate Control Circuit High VoltageFord
1P0299Turbocharger Engine UnderboostFord
1P0305Cylinder 5 Misfire DetectedPorsche
1P0306Cylinder 6 Misfire DetectedPorsche
1P0351Ignition Coil 1 Control Circuit MalfunctionChevrolet
1P0404EGR Open Position PerformanceChevrolet
1P0420Catalyst Efficiency Below Normal (Bank 1)Buick
1P0430Catalyst System Low Efficiency (Bank 2)Nissan
1P0446EVAP Vent System PerformanceToyota
1P0448EVAP Canister Vent Control Valve ClosedNissan
1P0451Fuel Tank Pressure Sensor PerformanceChevrolet
1P0455EVAP System Large Leak DetectedHonda
1P0456EVAP System Very Small Leak DetectedHonda
1P0463Fuel Level Sensor High VoltageNissan
1P0472Exhaust Backpressure Sensor Circuit Low InputFord
1P0500Vehicle Speed Sensor Circuit MalfunctionToyota
1P050DCold Start Rough IdleChevrolet
1P0520Engine Oil Pressure Sensor Circuit MalfunctionJeep
1P053Fcold start fuel pressure performance value below lower limit valueAudi
1P0627Fuel Pump Relay Control Circuit MalfunctionChevrolet
1P0629Fuel Pump Relay Control Circuit High VoltageChevrolet
1P0700Automatic Transmission System Malfunction DetectedCadillac
1P0703Brake Switch Circuit 2 MalfunctionFord
1P0727Engine Speed No SignalJaguar
1P0A0FEngine Failed To StartToyota
1P0C2CElectronic transmission fluid pump control module feedback signal range/performanceFord
1P1000OBD II Monitor Testing No CompletedFord
1P1094Fuel Rail Pressure Low During Idle Or Decel Fuel CutoffChevrolet
1P1249Wastegate Fail Steady State TestFord
1P130ACylinder DisablingVolkswagen
1P1316Spark Plug Detection Module Circuit Malfunction (Bank 2)Ford
1P1414Cylinder 4 Reactivation Control PerformanceChevrolet
1P1603PCM Internal Shutdown Timer RationalityToyota
1P1605Diagnostic Communication Line MalfunctionToyota
1P1607PCM Internal Shutdown Timer Slow RationalityChrysler
1P2119Throttle Closed Position PerformanceBuick
1P2135Throttle Position Sensor 1-2 Correlation ErrorBuick
1P2188Fuel Trim System Rich At Idle (Bank 1)Hyundai
1P2291Injector Control Pressure Too Low - Engine CrankingFord
1P2534Ignition 1 Switch Circuit Low VoltageCadillac
1P2539Low pressure fuel system sensor circuitVolkswagen
1P3190Poor Engine PowerToyota
1P3400Cylinder Deactivation System PerformanceGMC
1U0100Lost Communication With ECM/PCMJeep
1U0141Lost Communication With Front Control ModuleJeep