Diagnostic Trouble Code Index for August 2025
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 |
| 2 | P0300 | Multiple Cylinder Misfire Detected | Jeep |
| 2 | P0301 | Cylinder 1 Misfire Detected | Honda, Hyundai |
| 1 | B1681 | PATS Receiver Module Signal Not Received | Ford |
| 1 | P0011 | Intake Camshaft Position System Performance | Chevrolet |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Audi |
| 1 | P0073 | Ambient Air Temperature Sensor Circuit High Voltage | Ford |
| 1 | P007D | cac temp sensor high bank 1 | Ford |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Ford |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Mini |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Honda |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Honda |
| 1 | P0171 | Fuel System Lean (Bank 1) | Nissan |
| 1 | P0172 | Fuel System Rich (Bank 1) | Jeep |
| 1 | P0175 | Fuel System Rich (Bank 2) | Jeep |
| 1 | P0222 | Throttle Position Sensor 2 Circuit Low Voltage | Mini |
| 1 | P0236 | Turbocharger Boost System Performance | Audi |
| 1 | P0238 | Turbocharger Boost Circuit High Voltage | Ford |
| 1 | P0304 | Cylinder 4 Misfire Detected | Hyundai |
| 1 | P0305 | Cylinder 5 Misfire Detected | Jeep |
| 1 | P0401 | Insufficient EGR Flow Detected | Toyota |
| 1 | P0441 | EVAP Purge System Performance | Toyota |
| 1 | P0A5C | generator current sensor circuit high | Ford |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P2302 | Ignition Coil 1 Secondary Circuit Insufficient Ionization | Jeep |
| 1 | P2308 | Ignition Coil 3 Secondary Circuit Insufficient Ionization | Jeep |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Chevrolet |
