Diagnostic Trouble Code Index for March 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 |
| 10 | P0300 | Multiple Cylinder Misfire Detected | Cadillac, Chevrolet, Ford, GMC, Hyundai, Lexus, Mercedes-Benz, Toyota |
| 5 | P0171 | Fuel System Lean (Bank 1) | BMW, Chevrolet, Ford, GMC |
| 5 | P0174 | Fuel System Lean (Bank 2) | BMW, Chevrolet, Ford |
| 3 | P0016 | Crankshaft/Camshaft Timing Misalignment | Subaru, Toyota |
| 3 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Dodge, Ford |
| 2 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | Toyota |
| 2 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Kia |
| 2 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Dodge, Toyota |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Toyota |
| 2 | P0301 | Cylinder 1 Misfire Detected | Lexus, Mercedes-Benz |
| 2 | P0302 | Cylinder 2 Misfire Detected | Honda, Mercedes-Benz |
| 2 | P0304 | Cylinder 4 Misfire Detected | Ford, Hyundai |
| 2 | P0305 | Cylinder 5 Misfire Detected | Hyundai, Lexus |
| 2 | P0308 | Cylinder 8 Misfire Detected | Ford, Mercedes-Benz |
| 2 | P0336 | Crankshaft Position Sensor Performance | Ford, GMC |
| 2 | P2127 | Accelerator Pedal Position Sensor 2 Circuit Low Voltage | Dodge, Volkswagen |
| 2 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Dodge, Volkswagen |
| 1 | B101E | Security code not progrrammed | Chevrolet |
| 1 | B1600 | PATS Ignition Key Transponder Signal Not Received | Ford |
| 1 | B2799 | Engine Immobilizer System Malfunction | Toyota |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | Dodge |
| 1 | P0025 | Camshaft Position 'B' Over-Retarded (Bank 2) | Toyota |
| 1 | P0068 | Throttle Body Airflow Performance | Chevrolet |
| 1 | P0087 | Fuel Rail Pressure Too Low | Land Rover |
| 1 | P0089 | Fuel Pressure Regulator Performance | Ford |
| 1 | P0093 | Fuel System Large Leak Detected | Ford |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Infiniti |
| 1 | P0104 | Mass Airflow Sensor Circuit Intermittent | Ford |
| 1 | P0106 | MAP Sensor Performance | Volkswagen |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chrysler |
| 1 | P0121 | TP Sensor Performance | Dodge |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Land Rover |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Land Rover |
| 1 | P0172 | Fuel System Rich (Bank 1) | Ford |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Chevrolet |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Chevrolet |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Chevrolet |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Chevrolet |
| 1 | P0221 | Throttle Position Sensor 2 Performance | Dodge |
| 1 | P025A | Fuel Pump Flow Control Module Enable Circuit Malfunction | Ford |
| 1 | P0303 | Cylinder 3 Misfire Detected | Lexus |
| 1 | P0307 | Cylinder 7 Misfire Detected | Mercedes-Benz |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0325 | Knock Sensor Circuit Malfunction | GMC |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | GMC |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0341 | CMP Sensor Performance | Ford |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0349 | Camshaft Position Sensor Circuit Intermittent (Bank 2) | Chrysler |
| 1 | P0411 | Secondary AIR System Incorrect Airflow Detected | Jaguar |
| 1 | P0412 | Secondary Air System Solenoid Circuit Malfunction | Chevrolet |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Ford |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0440 | General EVAP System Failure | Ram |
| 1 | P0441 | EVAP Purge System Performance | Ram |
| 1 | P0446 | EVAP Vent System Performance | Chevrolet |
| 1 | P0455 | EVAP System Large Leak Detected | Chevrolet |
| 1 | P0522 | Engine Oil Pressure Sensor Circuit Low Voltage | Dodge |
| 1 | P0523 | Engine Oil Pressure Sensor Circuit High Voltage | Dodge |
| 1 | P0528 | Fan Speed Sensor Circuit - No Signal | Ford |
| 1 | P0541 | Low Voltage At Intake Air Heater Relay 1 | Dodge |
| 1 | P0604 | Control Module Random Access Memory | Chevrolet |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Dodge |
| 1 | P0710 | ATF Sensor Circuit Malfunction | Ford |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Buick |
| 1 | P1140 | Intake Valve Timing Control Position Sensor Circuit Malfunction (Bank 1) | Infiniti |
| 1 | P1160 | Return Spring Failure | Buick |
| 1 | P1235 | Fuel Pump Control Out-Of-Range | Ford |
| 1 | P1261 | Cylinder 1 High To Low Side Short | Ford |
| 1 | P1263 | Cylinder 3 High To Low Side Short | Ford |
| 1 | P1265 | Cylinder 5 High To Low Side Short | Ford |
| 1 | P1267 | Cylinder 7 High To Low Side Short | Ford |
| 1 | P154B | Intake Air (IA) Heater Signal Circuit Malfunction | Chevrolet |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Toyota |
| 1 | P1702 | Primary Oil Pressure Sensor / Secondary Oil Pressure Sensor Correlation | Ford |
| 1 | P1783 | Transmission Over-Temperature | Ford |
| 1 | P2019 | Intake Manifold Runner Position Sensor/Switch Circuit Malfunction (Bank 2) | Dodge |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Buick |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Volkswagen |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Dodge |
| 1 | P2196 | Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Rich | Ford |
| 1 | P2198 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich" | Ford |
| 1 | P219A | Bank 1 Air/Fuel Ratio Imbalance | Honda |
| 1 | P2291 | Injector Control Pressure Too Low - Engine Cranking | Ford |
| 1 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P2A00 | Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop Performance | Infiniti |
| 1 | P305F | Dual Battery control module Performance | Chevrolet |
| 1 | P3190 | Poor Engine Power | Toyota |
| 1 | P6270 | fuel pump a control - circuit/open | Jaguar |
| 1 | U0073 | Control Module Communication Bus Off | Mazda |
| 1 | U0101 | Lost Communication With TCM | Mazda |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Mazda |
| 1 | U0155 | No Cluster Bus Message | Mazda |
| 1 | U1000 | Class 2 Communication Malfunction | Buick |
| 1 | U1010 | Controller Area Network Communication | Buick |
| 1 | U1400 | Implausible Throttle Position Sensor Signal Received | Buick |
