× 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
2P0068Throttle Body Airflow PerformanceCadillac, Chevrolet
2P0171Fuel System Lean (Bank 1)Ford, Jeep
2P0172Fuel System Rich (Bank 1)Honda, Mercedes-Benz
2P0175Fuel System Rich (Bank 2)Honda, Mercedes-Benz
2P0281Cylinder 7 Balance System MalfunctionFord
2P0301Cylinder 1 Misfire DetectedHonda, Toyota
2P0302Cylinder 2 Misfire DetectedHonda, Toyota
2P0303Cylinder 3 Misfire DetectedHonda, Toyota
2P0443EVAP Purge Solenoid Control Circuit MalfunctionFord, Jeep
2P0688ASD Relay Sense Circuit LowJeep
1P0011Intake Camshaft Position System PerformanceNissan
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
1P0088Fuel Rail Pressure Too HighFord
1P0089Fuel Pressure Regulator PerformanceChevrolet
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
1P0304Cylinder 4 Misfire DetectedHonda
1P0305Cylinder 5 Misfire DetectedGMC
1P0336Crankshaft Position Sensor PerformanceChevrolet
1P0340Camshaft Position Sensor Circuit MalfunctionNissan
1P0355Ignition Coil 5 Control Circuit MalfunctionFord
1P0420Catalyst Efficiency Below Normal (Bank 1)Toyota
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
1P1000OBD II Monitor Testing No CompletedFord
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
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
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
1P3001HV Battery ECU MalfunctionDodge
1P3999unknownLand Rover
1U0121Lost Communication With Antilock Brake System ModuleJeep
1U1000Class 2 Communication MalfunctionNissan
1U1120Lost Wheel Distance MessageJeep