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International Automotive Technicians Network

Diagnostic Trouble Code Index for November 2018


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
4P0171Fuel System Lean (Bank 1)Chevrolet, Hyundai, Jeep, Land Rover
3P0304Cylinder 4 Misfire DetectedAudi, Honda
2P0300Multiple Cylinder Misfire DetectedChevrolet, Dodge
2P0301Cylinder 1 Misfire DetectedAudi, Honda
1P0088Fuel Rail Pressure Too HighAudi
1P0128Engine Coolant Temperature Below Thermostat Regulating TemperatureMercury
1P0172Fuel System Rich (Bank 1)Toyota
1P0173Fuel Trim Lean Or Rich (Bank 2)Jeep
1P0174Fuel System Lean (Bank 2)Land Rover
1P0175Fuel System Rich (Bank 2)Toyota
1P0234Turbocharger Engine OverboostJeep
1P0282Cylinder 8 Injector Circuit LowFord
1P0302Cylinder 2 Misfire DetectedAudi
1P0303Cylinder 3 Misfire DetectedAudi
1P0307Cylinder 7 Misfire DetectedFord
1P0316Misfire Occurred In First 1,000 RevolutionsFord
1P0325Knock Sensor Circuit MalfunctionToyota
1P0339Crankshaft Position Sensor Signal IntermittentDodge
1P0357Ignition Coil 7 Control Circuit MalfunctionFord
1P0420Catalyst Efficiency Below Normal (Bank 1)Chevrolet
1P0720Output Shaft Speed Sensor Circuit MalfunctionFord
1P1129MAP Sensor Value Higher Than ExpectedHonda
1P1151Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too LeanToyota
1P1345Camshaft To Crankshaft Position CorrelationChevrolet
1P1391CKP Or CMP Sensor Signal IntermittentJeep
1P1446EVAP Canister Vent Valve Malfunction (Closed)Nissan
1P1506Idle Air Control System RPM Higher Than ExpectedMazda
1P17822-4 Pressure Switch Sense Circuit MalfunctionMercedes-Benz
1P186AEngine cannot be started due to exhaust aftertreatment system tampered withMercedes-Benz
1P1A0CHybrid Powertrain Control Module - Engine DisabledFord
1P2105Throttle Actuator Control System - Forced Engine ShutdownChevrolet
1P2187Fuel Trim System Lean At Idle (Bank 1)Mazda
1P2990Turbo / super charger underboostVolkswagen
1P3091High pressure fuel below disired pressureMini