Diagnostic Trouble Code Index for October 2022
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 |
| 3 | P0300 | Multiple Cylinder Misfire Detected | Audi, Chevrolet, Honda |
| 2 | P0172 | Fuel System Rich (Bank 1) | Chevrolet, Ram |
| 2 | P0299 | Turbocharger Engine Underboost | Audi, Ford |
| 2 | P0304 | Cylinder 4 Misfire Detected | Audi, Ford |
| 1 | B0300 | Network managment expulsion | Jaguar |
| 1 | B1314 | Battery saver relay coil open | Jaguar |
| 1 | B1316 | Trunk latch power close unit | Jaguar |
| 1 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Toyota |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Ford |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ram |
| 1 | P0301 | Cylinder 1 Misfire Detected | Ford |
| 1 | P0303 | Cylinder 3 Misfire Detected | Subaru |
| 1 | P0305 | Cylinder 5 Misfire Detected | Honda |
| 1 | P0306 | Cylinder 6 Misfire Detected | Honda |
| 1 | P0340 | Camshaft Position Sensor Circuit Malfunction | Jeep |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Ford |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0442 | EVAP System Small Leak Detected | Chevrolet |
| 1 | P0507 | Idle Speed High | Pontiac |
| 1 | P0513 | Invalid SKIM Key Detected | Dodge |
| 1 | P0564 | Cruise Control Multifunction Switch Circuit Malfunction | Chevrolet |
| 1 | P0575 | Cruise Control Switch Signal Circuit Malfunction | Chevrolet |
| 1 | P061C | ETC Level 2 RPM Performance | Ram |
| 1 | P0642 | Sensor Reference Voltage 1 Circuit Low | Ford |
| 1 | P069E | Fuel Pump Control Module (FPCM) Requested MIL Illumination | Chevrolet |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Jaguar |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Jeep |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Jaguar |
| 1 | P2050 | Misfiring damages TWC | Mercedes-Benz |
| 1 | P2051 | Fuel Rail Pressure Sensor - Maximum Fuel Pressure Exceeded | Mercedes-Benz |
| 1 | P2052 | Fuel Rail Pressure Sensor Implausible | Mercedes-Benz |
| 1 | P2053 | Misfire 3 | Mercedes-Benz |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Jeep |
| 1 | P219A | Bank 1 air-fuel ratio imbalance | Ford |
| 1 | P3038 | Cylinder 3 misfire | Mercedes-Benz |
| 1 | U0100 | Lost Communication With ECM/PCM | Cadillac |
| 1 | U1000 | Class 2 Communication Malfunction | Cadillac |
