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International Automotive Technicians Network

Diagnostic Trouble Code Index for November 2021


Note: This is a professional automotive technician's resource.
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Diagnostic Trouble Codes (DTC)
Count Trouble Code Sample Definition Manufacturers
4P0171Fuel System Lean (Bank 1)Chevrolet, Toyota
4P0300Multiple Cylinder Misfire DetectedAudi, Chevrolet, Mercedes-Benz, Pontiac
3P0172Fuel System Rich (Bank 1)Chevrolet, Ford
3P0174Fuel System Lean (Bank 2)Chevrolet, Toyota
3P0304Cylinder 4 Misfire DetectedAudi, Ram, Subaru
2P0175Fuel System Rich (Bank 2)Chevrolet, Ford
2P0301Cylinder 1 Misfire DetectedMercedes-Benz, Subaru
2P0303Cylinder 3 Misfire DetectedRam, Subaru
2P0305Cylinder 5 Misfire DetectedAudi, Honda
2P0306Cylinder 6 Misfire DetectedAudi, Mercedes-Benz
1B1102Battery Voltage lowHyundai
1C1121Tpms faultHyundai
1C1133Engine 4 Fuel Cut System FaultOther Asian
1C1143Steering Angle Sensor Circuit FaultOther Asian
1C1163Steering Angle Sensor Circuit FaultOther Asian
1C1611CAN Timeout EMSHyundai
1C2800Brake pressure transducer circuitFord
1P0011Intake Camshaft Position System PerformanceChevrolet
1P0014Exhaust Camshaft Position System PerformanceChevrolet
1P0022Camshaft Position 'A' Timing Over-Retarded (Bank 2)Ford
1P0073Ambient Air Temperature Sensor Circuit High VoltageFord
1P0120TP Sensor 1 Signal Circuit MalfunctionVolvo
1P0126Insufficient Coolant Temperature For Stable OperationVolvo
1P0201Fuel Injector 1 Control Circuit MalfunctionMercedes-Benz
1P0206Fuel Injector 6 Control Circuit MalfunctionMercedes-Benz
1P0302Cylinder 2 Misfire DetectedSubaru
1P0336Crankshaft Position Sensor PerformanceFord
1P0344Camshaft Position Sensor Signal IntermittentJeep
1P0401Insufficient EGR Flow DetectedFord
1P0463Fuel Level Sensor High VoltageDodge
1P0522Engine Oil Pressure Sensor Circuit Low VoltageDodge
1P0528Fan Speed Sensor Circuit - No SignalFord
1P0541Low Voltage At Intake Air Heater Relay 1Dodge
1P0601Control Module Read Only MemoryChevrolet
1P0627Fuel Pump Relay Control Circuit MalfunctionChevrolet
1P0740TCC Solenoid Circuit MalfunctionFord
1P0743Torque Converter Clutch Solenoid Circuit MalfunctionFord
1P1083Air mass ahead of throttle valve upper load rangePorsche
1P1094Fuel Rail Pressure Low During Idle Or Decel Fuel CutoffPorsche
1P1233Fuel System Disabled Or OfflineFord
1P1237Fuel Pump Secondary Circuit MalfunctionFord
1P151BRpm lower than expectedVolvo
1P1622Key Identification Number Does Not Match In The PCMLand Rover
1P1831Pressure Control Shift Lock Solenoid Control Circuit Low VoltageOther Asian
1P1832Pressure Control Shift Lock Solenoid Control Circuit High VoltageOther Asian
1P2187Fuel Trim System Lean At Idle (Bank 1)Land Rover
1P2189Fuel Trim System Lean At Idle (Bank 2)Land Rover
1P3000HV Battery MalfunctionVolvo
1P3040Combustion Misfire of Cylinder 4Mercedes-Benz
1P3406intake camshaft adjusterMercedes-Benz
1U0101Lost Communication With TCMDodge
1U0109lost communication with fp control moduleChevrolet