Diagnostic Trouble Code Index for August 2021
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 |
| 7 | P0300 | Multiple Cylinder Misfire Detected | Audi, Chevrolet, Other GM |
| 4 | P0301 | Cylinder 1 Misfire Detected | Audi, Ford, Hyundai |
| 2 | P0171 | Fuel System Lean (Bank 1) | Honda, Kia |
| 2 | P0304 | Cylinder 4 Misfire Detected | GMC, Hyundai |
| 2 | P0340 | Camshaft Position Sensor Circuit Malfunction | GMC, Hyundai |
| 1 | (P129 | Mini | |
| 1 | B3031 | Security system in learn mode | Chevrolet |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Kia |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Chevrolet |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Ford |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Dodge |
| 1 | P0172 | Fuel System Rich (Bank 1) | Volkswagen |
| 1 | P0174 | Fuel System Lean (Bank 2) | Kia |
| 1 | P0262 | Fuel Injector 1 Control Circuit High Voltage | Hyundai |
| 1 | P0268 | Fuel Injector 3 Control Circuit High Voltage | Hyundai |
| 1 | P0299 | Turbocharger Engine Underboost | Volkswagen |
| 1 | P0302 | Cylinder 2 Misfire Detected | Audi |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0341 | CMP Sensor Performance | GMC |
| 1 | P0346 | Intake Camshaft Position Sensor Performance (Bank 2) | Hyundai |
| 1 | P0349 | Camshaft Position Sensor Circuit Intermittent (Bank 2) | Jeep |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Dodge |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0506 | Idle Speed Low | Audi |
| 1 | P0552 | Power Steering Pressure Sensor Circuit Low Input | Hyundai |
| 1 | P0600 | Serial Communication Link | Volvo |
| 1 | P069E | Fuel Pump Control Module (FPCM) Requested MIL Illumination | Chevrolet |
| 1 | P126A | Intake port shutoff actuator | Mercedes-Benz |
| 1 | P130A | Cylinder Disabling | Audi |
| 1 | P164D | Reducedoil pressure switch | Audi |
| 1 | P2115 | Accelerator Pedal Position Sensor 1 Minimum Stop Performance | Dodge |
| 1 | P2135 | Throttle Position Sensor 1-2 Correlation Error | Pontiac |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Kia |
| 1 | P2189 | Fuel Trim System Lean At Idle (Bank 2) | Kia |
| 1 | P2299 | Brake Pedal Position / Accelerator Pedal Position Incompatible | Mazda |
| 1 | P2610 | Control Module Ignition Off Timer Performance | Other GM |
| 1 | U0019 | can b bus | Chevrolet |
| 1 | U0101 | Lost Communication With TCM | Toyota |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Chevrolet |
| 1 | U0126 | Lost Communication With Steering Angle Sensor Module | Chevrolet |
| 1 | U0140 | Lost Communication With BCM | Chevrolet |
| 1 | U0401 | Implausible Data Received From ECM / PCM | Other GM |
| 1 | U0415 | Implausible Data Received From ABS Module | Chevrolet |
