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International Automotive Technicians Network

Diagnostic Trouble Code Index for October 2021


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
2P0300Multiple Cylinder Misfire DetectedHyundai, Nissan
1C1611CAN Timeout EMSHyundai
1P0113IAT Sensor Circuit High VoltageChevrolet
1P0171Fuel System Lean (Bank 1)Toyota
1P0174Fuel System Lean (Bank 2)Toyota
1P0301Cylinder 1 Misfire DetectedHyundai
1P0304Cylinder 4 Misfire DetectedHyundai
1P0336Crankshaft Position Sensor PerformanceChevrolet
1P0352Ignition Coil 2 Control Circuit MalfunctionFord
1P0372DI High Resolution Signal Circuit MalfunctionChevrolet
1P0401Insufficient EGR Flow DetectedHyundai
1P0456EVAP System Very Small Leak DetectedJeep
1P0457Loose Fuel CapJeep
1P1516TAC Module Throttle Actuator Position PerformanceGMC
1P2647VTEC Oil Pressure Switch Circuit High VoltageAcura