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 |
| 9 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Ford, GMC, Honda, Jeep, Mazda, Nissan, Toyota, Volkswagen |
| 5 | P0303 | Cylinder 3 Misfire Detected | Buick, Ford, Honda, Mazda, Volkswagen |
| 4 | P0172 | Fuel System Rich (Bank 1) | Ford, Honda, Toyota |
| 3 | P0171 | Fuel System Lean (Bank 1) | Cadillac, Jeep, Scion |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet, Scion |
| 2 | P0174 | Fuel System Lean (Bank 2) | Cadillac, Jeep |
| 2 | P0191 | Fuel Rail Pressure Sensor Performance | Chevrolet, Lincoln |
| 2 | P0301 | Cylinder 1 Misfire Detected | Honda, Subaru |
| 2 | P0302 | Cylinder 2 Misfire Detected | Chevrolet, Honda |
| 2 | P0304 | Cylinder 4 Misfire Detected | Ford, Honda |
| 2 | P0442 | EVAP System Small Leak Detected | Chevrolet, GMC |
| 2 | P1516 | TAC Module Throttle Actuator Position Performance | Buick, Chevrolet |
| 2 | P2110 | Electronic Throttle Control - Forced Limited RPM | Jeep |
| 1 | B1102 | CAN communication with engine system is faulty | Hyundai |
| 1 | B1201 | fuel sender circuit fault | Lincoln |
| 1 | B1202 | fuel sensor circuit / open | Lincoln |
| 1 | B2627 | fuel sende rcircuit open 2 | Lincoln |
| 1 | C0F0B | Can no communication | Mini |
| 1 | C1102 | battery voltage low | Hyundai |
| 1 | P0008 | Engine Position System Performance (Bank 1) | Chevrolet |
| 1 | P0011 | Intake Camshaft Position System Performance | Subaru |
| 1 | P0013 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 1) | Chevrolet |
| 1 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | Chevrolet |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Chevrolet |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Subaru |
| 1 | P0025 | Camshaft Position 'B' Over-Retarded (Bank 2) | Lincoln |
| 1 | P0026 | Intake Valve Solenoid Circuit Range/Performance (Bank 1) | Subaru |
| 1 | P0028 | Intake Valve Solenoid Circuit Range/Performance (Bank 2) | Subaru |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Dodge |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Dodge |
| 1 | P0054 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance | GMC |
| 1 | P0068 | Throttle Body Airflow Performance | Chrysler |
| 1 | P0089 | Fuel Pressure Regulator Performance | Saab |
| 1 | P0101 | MAF Sensor Performance | Toyota |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Pontiac |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Ford |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Chevrolet |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Honda |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | GMC |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Lincoln |
| 1 | P025A | Fuel Pump Flow Control Module Enable Circuit Malfunction | Ford |
| 1 | P0343 | CMP Sensor Circuit High Voltage | GMC |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | Chevrolet |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet |
| 1 | P0446 | EVAP Vent System Performance | Ford |
| 1 | P0455 | EVAP System Large Leak Detected | GMC |
| 1 | P0456 | EVAP System Very Small Leak Detected | Porsche |
| 1 | P0625 | Generator 'F' Terminal Circuit Low Voltage | Hyundai |
| 1 | P0645 | A/C Clutch Relay Circuit Malfunction | Chevrolet |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Hyundai |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Mazda |
| 1 | P0707 | Transmission Range Sensor Circuit Low | Hyundai |
| 1 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Ford |
| 1 | P0722 | Output Speed Sensor Circuit Low Voltage | Ford |
| 1 | P0744 | TCC Servo Valve Function (Lockup) | Nissan |
| 1 | P1101 | Intake Airflow System Performance | Ford |
| 1 | P1157 | Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High Voltage | Honda |
| 1 | P130A | Cylinder disabling | Volkswagen |
| 1 | P1399 | Random misfire | Honda |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Jeep |
| 1 | P1571 | Traction Control Torque Request Circuit Malfunction | Subaru |
| 1 | P162B | remote vehicle speed limiting signal | Chevrolet |
| 1 | P2015 | Intake Manifold Runner Position Sensor Performance | Volkswagen |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Land Rover |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Chevrolet |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mini |
| 1 | P2201 | Immobilizer CAN Message Error | Ford |
| 1 | P241D | service def system see dealer | Ram |
| 1 | P2441 | Secondary Air Injection System Switching Valve Stuck Closed | Toyota |
| 1 | P2822 | Implausible Engine Off Time Signal Received From Cluster | Dodge |
| 1 | P2885 | Charge Air Pressure Deviation | Mini |
| 1 | P3008 | g40 signal outside specs | Mercedes-Benz |
| 1 | P3048 | misfire 4 | Mercedes-Benz |
| 1 | P3058 | misfire 5 | Mercedes-Benz |
| 1 | P3068 | misfire 6 | Mercedes-Benz |
| 1 | U0109 | Lost Communication with FP Control Module | Ford |
| 1 | U1558 | Lost communication with instrument panel control module | Land Rover |
