Diagnostic Trouble Code Index for October 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 |
| 5 | P0300 | Multiple Cylinder Misfire Detected | Dodge, Hyundai, Lexus, Mitsubishi, Porsche |
| 4 | P0301 | Cylinder 1 Misfire Detected | Acura, Hyundai, Mitsubishi, Subaru |
| 4 | P0303 | Cylinder 3 Misfire Detected | Acura, Hyundai, Mitsubishi, Subaru |
| 3 | P0171 | Fuel System Lean (Bank 1) | Ford, Lexus, Suzuki |
| 3 | P0305 | Cylinder 5 Misfire Detected | Acura, Hyundai, Lexus |
| 2 | P0174 | Fuel System Lean (Bank 2) | Ford, Lexus |
| 2 | P0299 | Turbocharger Engine Underboost | Chevrolet, Lincoln |
| 2 | P0302 | Cylinder 2 Misfire Detected | Acura, Mitsubishi |
| 2 | P0304 | Cylinder 4 Misfire Detected | Acura, Mitsubishi |
| 2 | P0307 | Cylinder 7 Misfire Detected | Dodge, Lexus |
| 2 | P0336 | Crankshaft Position Sensor Performance | Ford, Land Rover |
| 2 | P0340 | Camshaft Position Sensor Circuit Malfunction | Ford, Mercury |
| 2 | P0455 | EVAP System Large Leak Detected | Dodge, Mercedes-Benz |
| 2 | P0607 | Control Module Performance | Mercedes-Benz, Pontiac |
| 1 | B1317 | GEM Battery Voltage High | Mazda |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | GMC |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Cadillac |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Subaru |
| 1 | P0087 | Fuel Rail Pressure Too Low | Ram |
| 1 | P0088 | Fuel Rail Pressure Too High | Ford |
| 1 | P0101 | MAF Sensor Performance | Lexus |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Hyundai |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Dodge |
| 1 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Dodge |
| 1 | P0172 | Fuel System Rich (Bank 1) | Chevrolet |
| 1 | P0175 | Fuel System Rich (Bank 2) | Chevrolet |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Dodge |
| 1 | P0227 | Accelerator Pedal Position Sensor 3 Low Voltage | Volkswagen |
| 1 | P0306 | Cylinder 6 Misfire Detected | Acura |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Nissan |
| 1 | P0343 | CMP Sensor Circuit High Voltage | GMC |
| 1 | P0348 | Intake Camshaft Position Sensor Circuit High Input (Bank 2) | GMC |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0368 | Exhaust Camshaft Position Sensor Circuit High Input (Bank 1) | GMC |
| 1 | P0393 | Camshaft Position Sensor 'B' Circuit High Input (Bank 2) | GMC |
| 1 | P0401 | Insufficient EGR Flow Detected | Ford |
| 1 | P0404 | EGR Open Position Performance | Dodge |
| 1 | P0412 | Secondary Air System Solenoid Circuit Malfunction | Toyota |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Toyota |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Subaru |
| 1 | P0456 | EVAP System Very Small Leak Detected | Dodge |
| 1 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | BMW |
| 1 | P0492 | Secondary air flow bank 2 | BMW |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Toyota |
| 1 | P0521 | Engine Oil Pressure Sensor Performance | Mercedes-Benz |
| 1 | P052C | Cold start camshaft position | Lincoln |
| 1 | P054B | Camshaft over retarded | BMW |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0604 | Control Module Random Access Memory | Pontiac |
| 1 | P0606 | Control Module Internal Performance | Pontiac |
| 1 | P0610 | ECU Vehicle Options Mismatch | Dodge |
| 1 | P0638 | Throttle Actuator Control Command Performance | Mercedes-Benz |
| 1 | P0A0F | Engine Failed To Start | Toyota |
| 1 | P0A80 | Replace Hybrid Battery Pack | Toyota |
| 1 | P1004 | Short Runner Valve Solenoid Control Performance | Ram |
| 1 | P1073 | Manifold Flow Valve Circuit High | Isuzu |
| 1 | P1101 | Intake Airflow System Performance | Chevrolet |
| 1 | P1107 | MAP Sensor Circuit Intermittent Low Voltage | Hyundai |
| 1 | P1114 | ECT Sensor Circuit Intermittent Low Voltage | Audi |
| 1 | P1117 | Engine Coolant Temperature Sensor Circuit Intermittent | Audi |
| 1 | P1260 | Immobilizer System Malfunction | Mercury |
| 1 | P1530 | Air Condition 1 Switch Circuit Intermittent | Porsche |
| 1 | P1606 | ECM Battery Backup Circuit Malfunction | Audi |
| 1 | P1620 | Low Engine Coolant Switch Circuit Low Input | Volvo |
| 1 | P1686 | No SKIM Bus Messages Received | Dodge |
| 1 | P2015 | Intake Manifold Runner Position Sensor Performance | Audi |
| 1 | P2047 | Fuel Rail Pressure Volume Control - Maximum Fuel Pressure Exceeded | Mercedes-Benz |
| 1 | P204F | Reductant system performace bank 1 | Mercedes-Benz |
| 1 | P2129 | Air Fuel Ratio Variation Of Cylinders | Honda |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Chevrolet |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Audi |
| 1 | P2601 | Coolant Pump Control Circuit Performance | Toyota |
| 1 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P3000 | HV Battery Malfunction | Toyota |
| 1 | P3193 | Fuel Run Out | Toyota |
| 1 | P3449 | Cylinder 7 Deactivation Solenoid Control Circuit Malfunction | Jeep |
| 1 | P507! | Volvo | |
| 1 | U0001 | CAN 'C' Bus | Volvo |
| 1 | U0046 | can bus downstream nox | Mercedes-Benz |
| 1 | U0100 | Lost Communication With ECM/PCM | Mercedes-Benz |
| 1 | U0101 | Lost Communication With TCM | Subaru |
| 1 | U0140 | Lost Communication With BCM | Mazda |
| 1 | U0141 | Lost Communication With Front Control Module | Jeep |
| 1 | U029E | Nox module b lost comm | Mercedes-Benz |
| 1 | U1147 | Data Circuit Malfunction | Mercury |
| 1 | U128D | In Body Area Lost Communication W/ guage control module | Honda |
| 1 | U1900 | CAN System Communication Error | Mazda |
| 1 | U2516 | CAN System Wiring Harness Open Or Shorted | Mazda |
