× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

Diagnostic Trouble Code Index for January 2024


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 DetectedChevrolet, GMC, Land Rover, Mazda
2P0017Crankshaft Position - Exhaust Camshaft Position CorrelationChevrolet
2P0301Cylinder 1 Misfire DetectedFord, Land Rover
2P0302Cylinder 2 Misfire DetectedFord, Land Rover
2P0303Cylinder 3 Misfire DetectedHonda, Land Rover
2P0324Knock Sensor Module PerformanceChevrolet, Fiat
1P0088Fuel Rail Pressure Too HighDodge
1P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High VoltageGMC
1P013EHO2S Delayed Response Rich to Lean Sensor 2. Test Passed Since Power Up.GMC
1P0140Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient ActivityGMC
1P0148Fuel Delivery ErrorDodge
1P0192Fuel Rail Pressure Sensor Circuit Low VoltageMazda
1P0251Injection Pump Camshaft SystemDodge
1P0305Cylinder 5 Misfire DetectedLand Rover
1P0307Cylinder 7 Misfire DetectedLand Rover
1P0325Knock Sensor Circuit MalfunctionFiat
1P0327Knock Sensor Circuit Low Voltage (Bank 1)Fiat
1P0336Crankshaft Position Sensor PerformanceChevrolet
1P0366Exhaust Camshaft Position Sensor PerformanceLand Rover
1P0456EVAP System Very Small Leak DetectedJeep
1P0505Idle Control System MalfunctionLand Rover
1P0506Idle Speed LowLand Rover
1P0507Idle Speed HighHyundai
1P0521Engine Oil Pressure Sensor PerformanceChevrolet
1P0560System Voltage MalfunctionLand Rover
1P0685Engine Controls Ignition Relay Control Circuit MalfunctionHonda
1P1698No CCD Messages Received From TCMDodge
1P2187Fuel Trim System Lean At Idle (Bank 1)Mazda
1P2453Particulate Matter Trap Differential Pressure Sensor Signal PerformanceMercedes-Benz
1P2459Diesel Particulate Filter Regeneration Too OftenMercedes-Benz
1P2539Low pressure fuel system sensor circuitMercedes-Benz
1P2544Transmission Torque Request Circuit MalfunctionLand Rover
1P3052dc /dc convertor output below 1 volt sensor 2 low voltageChevrolet
1U0078lo speed can buss offBuick
1U0151Lost Communication With Sensing And Diagnostic ModuleBuick
1U0155No Cluster Bus MessageBuick
1U0164Lost Communication With HVAC Control ModuleBuick
1U0168No SKIM Bus MessagesBuick