× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

Diagnostic Trouble Code Index for July 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
4P0300Multiple Cylinder Misfire DetectedGMC, Honda, Toyota
4P0303Cylinder 3 Misfire DetectedAcura, Honda, Ram, Toyota
3P0068Throttle Body Airflow PerformanceCadillac, Chevrolet, Porsche
3P0171Fuel System Lean (Bank 1)Ford, Jeep, Ram
3P0301Cylinder 1 Misfire DetectedAcura, Honda, Toyota
3P0302Cylinder 2 Misfire DetectedAcura, Honda, Toyota
2P0017Crankshaft Position - Exhaust Camshaft Position CorrelationChevrolet, Mercedes-Benz
2P0088Fuel Rail Pressure Too HighFord, Volvo
2P0172Fuel System Rich (Bank 1)Honda, Mercedes-Benz
2P0175Fuel System Rich (Bank 2)Honda, Mercedes-Benz
2P0281Cylinder 7 Balance System MalfunctionFord
2P0304Cylinder 4 Misfire DetectedAcura, Honda
2P0340Camshaft Position Sensor Circuit MalfunctionFord, Nissan
2P0420Catalyst Efficiency Below Normal (Bank 1)Toyota, Volkswagen
2P0443EVAP Purge Solenoid Control Circuit MalfunctionFord, Jeep
2P0688ASD Relay Sense Circuit LowJeep
2P1000OBD II Monitor Testing No CompletedFord
2U010CLost Communication With Turbocharger / Supercharger Control ModuleRam
1P0011Intake Camshaft Position System PerformanceNissan
1P0016Crankshaft/Camshaft Timing MisalignmentFord
1P0018Crankshaft Position - Intake Camshaft Position Correlation (Bank 2)Ford
1P0024Exhaust Camshaft Position System Performance (Bank 2)Toyota
1P0055Heated Oxygen Sensor (Bank 1 Sensor 3) Heater ResistanceChevrolet
1P0089Fuel Pressure Regulator PerformanceChevrolet
1P0122TP Sensor Circuit Low VoltageHonda
1P0128Engine Coolant Temperature Below Thermostat Regulating TemperatureHonda
1P0134Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient ActivityChevrolet
1P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit MalfunctionFord
1P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit MalfunctionFord
1P0174Fuel System Lean (Bank 2)Jeep
1P018Cfuel rail temp sensorFord
1P0263Cylinder 1 Balance System MalfunctionFord
1P0269Cylinder 3 Balance System MalfunctionFord
1P0275Cylinder 5 Balance System MalfunctionFord
1P0299Turbocharger Engine UnderboostVolkswagen
1P0305Cylinder 5 Misfire DetectedGMC
1P0306Cylinder 6 Misfire DetectedAcura
1P0320No Crank Reference Signal To PCMHyundai
1P0336Crankshaft Position Sensor PerformanceChevrolet
1P0355Ignition Coil 5 Control Circuit MalfunctionFord
1P0442EVAP System Small Leak DetectedToyota
1P0455EVAP System Large Leak DetectedDodge
1P0470Exhaust Backpressure Sensor Circuit MalfunctionFord
1P0481Cooling Fan Relay 2 Control Circuit MalfunctionJeep
1P0499NVLD Canister Vent Solenoid Circuit High VoltageJeep
1P0622Generator F-Terminal Circuit MalfunctionJeep
1P0890Switched BatteryVolvo
1P1005Manifold Tuning Valve Solenoid Control PerformanceDodge
1P1075Manifold Flow Valve Circuit / OpenPorsche
1P1101Intake Airflow System PerformanceCadillac
1P1171Fuel System Lean During AccelerationVolkswagen
1P1176Electronic Throttle System Motor No. 1 Open or ShortedVolkswagen
1P1299Vacuum Leak Present With IAC Valve Fully SeatedFord
1P1388Auto Shutdown Relay Control Circuit MalfunctionJeep
1P1457EVAP System Leak Detected (Canister Area)Honda
1P1542Climate Control Unit Signal Circuit High VoltageVolkswagen
1P1545Air Conditioning Clutch Relay Control Circuit MalfunctionVolkswagen
1P1564ASCD Steering Switch Circuit MalfunctionVolkswagen
1P1623Code Word or Key ID Number Read/Write Error in the PCMAudi
1P1649ABS Operation Signal Circuit MalfunctionAudi
1P1926Can communication is faultyDodge
1P1A6FStarter/Generator System - No Crank At RestartHyundai
1P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)Nissan
1P2176Minimum Throttle Position Not LearnedAcura
1P2199Intake Air Temperature Sensor 1-2 CorrelationDodge
1P219ABank 1 Air/Fuel Ratio ImbalanceGMC
1P2355Exhaust Gas Recirculation Control Air Mass Too LargeDodge
1P2359Boost Pressure Sensor Voltage Too LowDodge
1P2511EGR Valve Signal Circuit Short To GroundDodge
1P2626Heated Oxygen Sensor (Bank 1 Sensor 1) Pumping Current Trim CircuitFord
1P3001HV Battery ECU MalfunctionDodge
1P3068cylinder 6 misfireMercedes-Benz
1P3999unknownLand Rover
1U0100Lost Communication With ECM/PCMLand Rover
1U010EReductant module lost commRam
1U0121Lost Communication With Antilock Brake System ModuleJeep
1U029DNox module a lost commRam
1U029ENox module b lost commRam
1U1000Class 2 Communication MalfunctionNissan
1U1016Serial Communications MalfunctionGMC
1U1096Loss of Communication With Instrument Panel ClusterGMC
1U1120Lost Wheel Distance MessageJeep
1U1300Class 2 Data Line Short To GroundGMC