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International Automotive Technicians Network

Diagnostic Trouble Code Index for May 2025


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
2P0172Fuel System Rich (Bank 1)Chevrolet, Ram
2P0175Fuel System Rich (Bank 2)Chevrolet, Ram
1P0011Intake Camshaft Position System PerformanceChevrolet
1P0301Cylinder 1 Misfire DetectedToyota
1P0302Cylinder 2 Misfire DetectedToyota
1P0303Cylinder 3 Misfire DetectedToyota
1P0304Cylinder 4 Misfire DetectedToyota
1P0305Cylinder 5 Misfire DetectedToyota
1P0507Idle Speed HighHyundai
1P1604PCM Internal Dual-Port Ram Read/Write Integrity FailureToyota
1P2096Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)Ram
1P2098Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2)Ram
1U0100Lost Communication With ECM/PCMNissan