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International Automotive Technicians Network

Diagnostic Trouble Code Index for December 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
7P0171Fuel System Lean (Bank 1)BMW, Cadillac, Chevrolet, Jaguar, Nissan, Toyota
6P0300Multiple Cylinder Misfire DetectedChevrolet, Ford, GMC, Mercedes-Benz, Nissan
4P0303Cylinder 3 Misfire DetectedGMC, Kia, Ram, Subaru
4P0305Cylinder 5 Misfire DetectedBMW, GMC, Kia, Toyota
2P0017Crankshaft Position - Exhaust Camshaft Position CorrelationChevrolet, GMC
2P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit MalfunctionBuick, Mercedes-Benz
2P0087Fuel Rail Pressure Too LowAudi, Kia
2P0174Fuel System Lean (Bank 2)BMW, Jaguar
2P0191Fuel Rail Pressure Sensor PerformanceKia, Mercury
2P0301Cylinder 1 Misfire DetectedGMC, Subaru
2P0401Insufficient EGR Flow DetectedFord, Honda
2P132BTurbocharger Boost Control A PerformanceFord
2P2135Throttle Position Sensor 1-2 Correlation ErrorChevrolet, Ford
2U0073Control Module Communication Bus OffChevrolet, Toyota
2U0101Lost Communication With TCMChevrolet, GMC
1B1005Micu lost comm w/relay control unitAcura
1B1007Micu lost comm w/headlight switchAcura
1B1008Micu lost comm w/ guage module a/t messageAcura
1B1010Micu lost comm w/ door multiplex cuAcura
1B1011Micu lost comm with guage control moduleAcura
1C0055Invalid data received from EBCMGMC
1C1203ecm communication circuit malfunctionToyota
1C1259HV control system regen. malfunctionLexus
1C1310can communication codeLexus
1P0012Camshaft Position 'A' Over-Retarded (Bank 1)Ford
1P0022Camshaft Position 'A' Timing Over-Retarded (Bank 2)Ford
1P0069Abnormal Correlation Between MAP And BARO SensorFord
1P0088Fuel Rail Pressure Too HighRam
1P0097Intake Air Temperature Sensor 2 Circuit Low VoltageFord
1P0101MAF Sensor PerformanceDodge
1P0110Intake Air Temperature Sensor Circuit MalfunctionFord
1P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low VoltageMercedes-Benz
1P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit MalfunctionMercedes-Benz
1P0159Heated Oxygen Sensor (Bank 2 Sensor 2) Slow ResponseJeep
1P0170Fuel Trim Lean Or Rich (Bank 1)Kia
1P0172Fuel System Rich (Bank 1)Pontiac
1P0175Fuel System Rich (Bank 2)Ford
1P0180Fuel Tank Temperature Sensor Circuit MalfunctionFord
1P0193Fuel Rail Pressure Sensor Circuit High VoltageJaguar
1P0210Fuel Injector 10 Control Circuit MalfunctionFord
1P0251Injection Pump Camshaft SystemDodge
1P0299Turbocharger Engine UnderboostVolkswagen
1P0302Cylinder 2 Misfire DetectedSubaru
1P0304Cylinder 4 Misfire DetectedSubaru
1P0339Crankshaft Position Sensor Signal IntermittentDodge
1P0400EGR System Recirculation FlowSubaru
1P0410Secondary Air System PerformanceMercedes-Benz
1P0420Catalyst Efficiency Below Normal (Bank 1)Ford
1P0430Catalyst System Low Efficiency (Bank 2)Ford
1P0455EVAP System Large Leak DetectedPontiac
1P0460Fuel Level Sensing Unit No Change Over MilesFord
1P0463Fuel Level Sensor High VoltageFord
1P0491Secondary AIR System Insufficient Flow Detected (Bank 1)BMW
1P0507Idle Speed HighAudi
1P0523Engine Oil Pressure Sensor Circuit High VoltageHonda
1P0540Intake Air Heater Feedback Circuit MalfunctionChevrolet
1P0700Automatic Transmission System Malfunction DetectedChevrolet
1P0A78Drive Motor 'B' Inverter PerformanceLexus
1P1036Ignition Coil 5 Output Stage Circuit / OpenIsuzu
1P1125Accelerator Pedal Position System MalfunctionPontiac
1P1136Intake Valve Timing Control Circuit Malfunction (Bank 2)Audi
1P1138Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel CutoffAudi
1P117BFuel performance direct injectorToyota
1P2034Oxygen Sensor Circuit Calibration Value Too High Or Too LowMercedes-Benz
1P2082Differential Pressure Sensor Defective HoseMercedes-Benz
1P2090Camshaft Position Actuator Circuit Low (Bank 2)Mercedes-Benz
1P2096Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)Subaru
1P2119Throttle Closed Position PerformanceSaturn
1P2138Accelerator Pedal Position Sensor 1-2 Correlation ErrorPontiac
1P2149Injector Positive Voltage Relay Circuit Group 2 (Injectors 6 & 7)GMC
1P2177Fuel Trim System Lean At Cruise Or Acceleration (Bank 1)Audi
1P219ABank 1 air/fuel ratio imbalanceFord
1P2279Intake Air System LeakAudi
1P2308Ignition Coil 3 Secondary Circuit Insufficient IonizationRam
1P2359Boost Pressure Sensor Voltage Too LowDodge
1P2544Transmission Torque Request Circuit MalfunctionChevrolet
1P2A00Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop PerformanceBuick
1U0140Lost Communication With BCMGMC
1U0293Lost Communication With HV/ECUToyota
1U1210DVD-ROM SeekFord
1U1424Implausible Engine Torque Signal ReceivedRam
1U1510Lost communication with restraint control moduleFord
1U2120Lost communication with steering control moduleFord
1U4018Invalid data received from ECM/PCMFord
1U4298Invalid data received from steering control moduleFord