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International Automotive Technicians Network

Diagnostic Trouble Code Index for January 2020


Note: This is a professional automotive technician's resource.
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Diagnostic Trouble Codes (DTC)
Count Trouble Code Sample Definition Manufacturers
10P0300Multiple Cylinder Misfire DetectedAudi, Chevrolet, Chrysler, GMC, Lexus, Mini, Pontiac, Volkswagen
5P0171Fuel System Lean (Bank 1)Chevrolet, Mazda, Mitsubishi, Pontiac, Volkswagen
4P0302Cylinder 2 Misfire DetectedAudi, Lexus, Mini, Volkswagen
4P0303Cylinder 3 Misfire DetectedAudi, Mini, Subaru, Volkswagen
4P0304Cylinder 4 Misfire DetectedAudi, Mercury, Mini, Subaru
3P0016Crankshaft/Camshaft Timing MisalignmentChrysler, Ford
3P0113IAT Sensor Circuit High VoltageFord, GMC, Lincoln
3P0301Cylinder 1 Misfire DetectedAudi, Lexus, Mini
2P0087Fuel Rail Pressure Too LowAudi, Ford
2P0103MAF Sensor Circuit High FrequencyFord, Honda
2P0306Cylinder 6 Misfire DetectedChevrolet, Toyota
1B1001option configuration errorSaab
1B1016Control module not addedSaab
1B1380control module acc circuit short to groundGMC
1B2958Security system sensor data circuit highChevrolet
1B2964Key in Ignition Circuit HighChevrolet
1B3056No transponders learnedSaab
1B3057Control module not addedSaab
1B3060Unknown transponderSaab
1B3935Transponder Authentication ErrorSaab
1P000BCamshaft 2 Position Slow ResponseChrysler
1P0017Crankshaft Position - Exhaust Camshaft Position CorrelationChevrolet
1P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit MalfunctionVolkswagen
1P0068Throttle Body Airflow PerformanceVolkswagen
1P0102MAF Sensor Circuit Low FrequencyGMC
1P0111Intake Air Temperature Sensor PerformanceLincoln
1P0123TP Sensor Circuit High VoltageChevrolet
1P0129Barometric Pressure Sensor Out-Of-Range LowChrysler
1P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow ResponseDodge
1P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit MalfunctionHonda
1P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High VoltageLincoln
1P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit MalfunctionHonda
1P0158Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High VoltageLincoln
1P0174Fuel System Lean (Bank 2)Pontiac
1P0201Fuel Injector 1 Control Circuit MalfunctionChrysler
1P0202Fuel Injector 2 Control Circuit MalfunctionChrysler
1P0206Fuel Injector 6 Control Circuit MalfunctionChrysler
1P0233Fuel Pump Secondary Circuit IntermittentChevrolet
1P025BFuel Pump Control Module Circuit Range PerformanceFord
1P0284Cylinder 8 Balance System MalfunctionFord
1P0322Crankshaft Position Sensor Circuit No SignalVolkswagen
1P0344Camshaft Position Sensor Signal IntermittentChrysler
1P0345Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2)Nissan
1P0401Insufficient EGR Flow DetectedMitsubishi
1P0420Catalyst Efficiency Below Normal (Bank 1)Isuzu
1P0421Warmup Catalyst Efficiency Low (Bank 1)Mazda
1P0453Fuel Tank Pressure Sensor Circuit High VoltageLincoln
1P0455EVAP System Large Leak DetectedHonda
1P0456EVAP System Very Small Leak DetectedHonda
1P0457Loose Fuel CapHonda
1P055FEngine oil pressure out of rangeVolkswagen
1P0581Speed Control Switch 1 Circuit High VoltageLincoln
1P0688ASD Relay Sense Circuit LowVolkswagen
1P0A0FEngine Failed To StartLexus
1P0A7AGenerator Inverter PerformanceLexus
1P102FTorque limitation due to fuel pressureVolkswagen
1P1188Fuel Tank Temperature Sensor Circuit High VoltageBMW
1P1189Engine Oil Pressure Switch Circuit MalfunctionBMW
1P1239Engine Oil Temperature Too LowMercedes-Benz
1P1247Fuel Injector 8 Control Circuit ShortedFord
1P1250Pressure Regulator Control Solenoid Circuit MalfunctionBMW
1P130ACylinder DisablingVolkswagen
1P1570Laser Radar Sensor Circuit MalfunctionVolkswagen
1P2051Fuel Rail Pressure Sensor - Maximum Fuel Pressure ExceededMercedes-Benz
1P2121Accelerator Pedal Position Sensor 1 PerformanceDodge
1P2152Injector Positive Voltage Relay Circuit Group 3 (Injectors 2 & 5)Chevrolet
1P2155Injector Positive Voltage Relay Circuit Group 4 (Injectors 3 & 8)Chevrolet
1P216DDirect Fuel Injector Hi Voltage Supply Cylinder 3Chevrolet
1P2189Fuel Trim System Lean At Idle (Bank 2)Bentley
1P219Bfuel trim cylinder balance bank 2Chevrolet
1P2279Intake Air System LeakVolkswagen
1U1000Class 2 Communication MalfunctionNissan
1U1950communication bus fault UART Base ProtocolFord