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International Automotive Technicians Network

Diagnostic Trouble Code Index for January 2022


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
2P0101MAF Sensor PerformanceChevrolet
2P0171Fuel System Lean (Bank 1)Chevrolet, Lexus
2P0300Multiple Cylinder Misfire DetectedChevrolet, GMC
2P0344Camshaft Position Sensor Signal IntermittentJeep, Porsche
1P0011Intake Camshaft Position System PerformanceCadillac
1P0014Exhaust Camshaft Position System PerformanceCadillac
1P0024Exhaust Camshaft Position System Performance (Bank 2)Cadillac
1P0087Fuel Rail Pressure Too LowKia
1P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High VoltageGMC
1P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow ResponseJeep
1P0301Cylinder 1 Misfire DetectedLand Rover
1P0303Cylinder 3 Misfire DetectedToyota
1P0306Cylinder 6 Misfire DetectedRam
1P0307Cylinder 7 Misfire DetectedChevrolet
1P0339Crankshaft Position Sensor Signal IntermittentJeep
1P0340Camshaft Position Sensor Circuit MalfunctionJeep
1P0348Intake Camshaft Position Sensor Circuit High Input (Bank 2)Porsche
1P0352Ignition Coil 2 Control Circuit MalfunctionDodge
1P0573Brake Switch 1 Circuit Stuck OffChevrolet
1P061CETC Level 2 RPM PerformanceJeep
1P2135Throttle Position Sensor 1-2 Correlation ErrorGMC
1P249CExcessive time to enter closed loop reductant system controlVolkswagen
1U0073Control Module Communication Bus OffGMC
1U0077control module communication can bus offGMC
1U0100Lost Communication With ECM/PCMGMC
1U0101Lost Communication With TCMGMC
1U0131FCAN Malfunction (EPS-ECM)GMC
1U420;invalid datareceived from steering control moduleGMC