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International Automotive Technicians Network

Diagnostic Trouble Code Index for September 2019


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
4P0172Fuel System Rich (Bank 1)Ford, Honda, Toyota
3P0300Multiple Cylinder Misfire DetectedChevrolet, Jeep, Toyota
2P0191Fuel Rail Pressure Sensor PerformanceChevrolet, Lincoln
2P0442EVAP System Small Leak DetectedChevrolet, GMC
2P1516TAC Module Throttle Actuator Position PerformanceBuick, Chevrolet
2P2110Electronic Throttle Control - Forced Limited RPMJeep
1B1201fuel sender circuit faultLincoln
1B1202fuel sensor circuit / openLincoln
1B2627fuel sende rcircuit open 2Lincoln
1C0F0BCan no communicationMini
1P0013Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 1)Chevrolet
1P0015Camshaft Position 'B' Over-Retarded (Bank 1)Chevrolet
1P0025Camshaft Position 'B' Over-Retarded (Bank 2)Lincoln
1P0031Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low VoltageDodge
1P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low VoltageDodge
1P0054Heated Oxygen Sensor (Bank 1 Sensor 2) Heater ResistanceGMC
1P0068Throttle Body Airflow PerformanceChrysler
1P0089Fuel Pressure Regulator PerformanceSaab
1P0101MAF Sensor PerformanceToyota
1P0102MAF Sensor Circuit Low FrequencyPontiac
1P0103MAF Sensor Circuit High FrequencyFord
1P0120TP Sensor 1 Signal Circuit MalfunctionChevrolet
1P0134Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient ActivityHonda
1P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit MalfunctionGMC
1P0171Fuel System Lean (Bank 1)Jeep
1P0174Fuel System Lean (Bank 2)Jeep
1P0175Fuel System Rich (Bank 2)Ford
1P0190Fuel Rail Pressure Sensor Circuit MalfunctionLincoln
1P025AFuel Pump Flow Control Module Enable Circuit MalfunctionFord
1P0301Cylinder 1 Misfire DetectedSubaru
1P0302Cylinder 2 Misfire DetectedChevrolet
1P0420Catalyst Efficiency Below Normal (Bank 1)Chevrolet
1P0446EVAP Vent System PerformanceFord
1P0455EVAP System Large Leak DetectedGMC
1P0456EVAP System Very Small Leak DetectedPorsche
1P0645A/C Clutch Relay Circuit MalfunctionChevrolet
1P0705Transaxle Range Switch Circuit MalfunctionMazda
1P1101Intake Airflow System PerformanceFord
1P1157Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High VoltageHonda
1P1571Traction Control Torque Request Circuit MalfunctionSubaru
1P162Bremote vehicle speed limiting signalChevrolet
1P2015Intake Manifold Runner Position Sensor PerformanceVolkswagen
1P2135Throttle Position Sensor 1-2 Correlation ErrorChevrolet
1P2187Fuel Trim System Lean At Idle (Bank 1)Mini
1P241Dservice def system see dealerRam
1P2441Secondary Air Injection System Switching Valve Stuck ClosedToyota
1P2822Implausible Engine Off Time Signal Received From ClusterDodge
1P2885Charge Air Pressure DeviationMini
1P3008g40 signal outside specsMercedes-Benz
1P3048misfire 4Mercedes-Benz
1P3058misfire 5Mercedes-Benz
1P3068misfire 6Mercedes-Benz
1U0109Lost Communication with FP Control ModuleFord