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International Automotive Technicians Network

Diagnostic Trouble Code Index for January 2023

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 DetectedFord, GMC, Hyundai, Ram
2P0016Crankshaft/Camshaft Timing MisalignmentMazda, Scion
2P0171Fuel System Lean (Bank 1)Chevrolet, Ram
2P0340Camshaft Position Sensor Circuit MalfunctionFord, Toyota
1P0017Crankshaft Position - Exhaust Camshaft Position CorrelationKia
1P0019Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2)Subaru
1P0020Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2)Ford
1P0172Fuel System Rich (Bank 1)Ford
1P0175Fuel System Rich (Bank 2)Ford
1P0230Fuel Pump Relay Control Circuit MalfunctionChevrolet
1P0299Turbocharger Engine UnderboostChevrolet
1P0303Cylinder 3 Misfire DetectedHyundai
1P0304Cylinder 4 Misfire DetectedHyundai
1P0305Cylinder 5 Misfire DetectedGMC
1P0316Misfire Occurred In First 1,000 RevolutionsFord
1P0320No Crank Reference Signal To PCMFord
1P0335Crankshaft Position Sensor Circuit MalfunctionChevrolet
1P0337CKP Sensor Circuit Low Duty CycleChevrolet
1P0365Exhaust Camshaft Position Sensor Circuit MalfunctionFord
1P040BEGR Gas Temperature Sensor 1 Circuit PerformanceRam
1P0420Catalyst Efficiency Below Normal (Bank 1)Ram
1P0441EVAP Purge System PerformanceToyota
1P0456EVAP System Very Small Leak DetectedJeep
1P0505Idle Control System MalfunctionJeep
1P0507Idle Speed HighFord
1P0521Engine Oil Pressure Sensor PerformanceChevrolet
1P061CETC Level 2 RPM PerformanceFord
1P0740TCC Solenoid Circuit MalfunctionRam
1P1004Short Runner Valve Solenoid Control PerformanceDodge
1P1101Intake Airflow System PerformanceChevrolet
1P1336CKP Sensor System Variation Not LearnedFord
1P1524Brake Booster Pressure Sensor Range/PerformanceRam
1P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck RichFord
1P2198Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich"Ford
1P2261Supercharger Bypass Valve StuckChevrolet
1P2271Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck RichFord
1P2273Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Biased RichFord
1P2560engine coolant level lowFord
1U012DLost communication with alternator control moduleRam