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International Automotive Technicians Network

Diagnostic Trouble Code Index for April 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
2P0301Cylinder 1 Misfire DetectedHonda, Volkswagen
2P0335Crankshaft Position Sensor Circuit MalfunctionInfiniti, Mitsubishi
1P0016Crankshaft/Camshaft Timing MisalignmentChevrolet
1P0087Fuel Rail Pressure Too LowBMW
1P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow ResponseSaturn
1P013AHeated Oxygen Sensor (Bank 1 Sensor 2) Slow Response - Rich To LeanGMC
1P0171Fuel System Lean (Bank 1)Ford
1P0188Fuel Rail Temperature Sensor Circuit High VoltageMercedes-Benz
1P020Acyl 1 injection timing intermittentRam
1P020B2 injection timingRam
1P020DCylinder 4 ignition timingRam
1P020EThrottle body currentRam
1P020FCyl. 6 performanceRam
1P0266Cylinder 2 Balance System MalfunctionFord
1P026BInjection timingRam
1P0302Cylinder 2 Misfire DetectedVolkswagen
1P0303Cylinder 3 Misfire DetectedVolkswagen
1P0304Cylinder 4 Misfire DetectedVolkswagen
1P0336Crankshaft Position Sensor PerformanceHyundai
1P0340Camshaft Position Sensor Circuit MalfunctionMitsubishi
1P0349Camshaft Position Sensor Circuit Intermittent (Bank 2)Dodge
1P0562System Voltage Too LowChevrolet
1P0707Transmission Range Sensor Circuit LowFord
1P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient SwitchingSaturn
1P116C002D0F Mass air flow circuit range/performanceBMW
1P130ACylinder DisablingVolkswagen
1P1401EGR Temperature Sensor Circuit MalfunctionFord
1P1507Idle Air Control System RPM Lower Than ExpectedRam
1P1614NATS CHAIN OF IMMU-KEYNissan
1P207FReductant Quality PerformanceMercedes-Benz
1P2100Electronic Throttle Control Motor Circuit / Open (Bank 1)Ford
1P2107Electronic Throttle Control Module ProcessorFord
1P2109TP Sensor Minimum Stop Range/Performance ProblemFord
1P2172High Airflow / Vacuum Leak Detected (Instantaneous Accumulation)Fiat
1P2187Fuel Trim System Lean At Idle (Bank 1)Land Rover
1P2189Fuel Trim System Lean At Idle (Bank 2)Land Rover
1P219Bfuel trim cylinder balance bank 2Chevrolet
1P2271Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck RichGMC
1P238DWater in fuel senor B circuit highRam
1P2509Power-Down Data Lost ErrorRam
1P2802Transmission Range Sensor B Circuit LowFord
1P4560EVAP Emission Control System Very small leak - Leak DetectedAudi
1U010ELost communication with diesel exhaust fluid control unitRam
1U0422Implausible Data Received From BCMFord
1U1123Scp invalid for odometerVolkswagen