Diagnostic Trouble Code Index for June 2023
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 | Acura, Audi, Ford, Saab, Volvo |
| 4 | P0301 | Cylinder 1 Misfire Detected | Acura, Audi, Nissan, Volvo |
| 3 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Chrysler, Jeep |
| 3 | P0303 | Cylinder 3 Misfire Detected | Acura, Audi, Ford |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Audi, Subaru |
| 2 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Chrysler |
| 2 | P0456 | EVAP System Very Small Leak Detected | Chrysler, Toyota |
| 1 | B1201 | fuel sender circuit fault | Jaguar |
| 1 | C0561 | System Disabled Information Stored | Buick |
| 1 | P0018 | Crankshaft Position - Intake Camshaft Position Correlation (Bank 2) | Subaru |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Jaguar |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Ram |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Chevrolet |
| 1 | P0172 | Fuel System Rich (Bank 1) | Ford |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Audi |
| 1 | P0302 | Cylinder 2 Misfire Detected | Audi |
| 1 | P0304 | Cylinder 4 Misfire Detected | Volvo |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Honda |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Chevrolet |
| 1 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | Chevrolet |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | Toyota |
| 1 | P0365 | Exhaust Camshaft Position Sensor Circuit Malfunction | Ford |
| 1 | P0369 | Camshaft Position Sensor Circuit Intermittent (Bank 1 Sensor 2) | Ford |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Jeep |
| 1 | P0513 | Invalid SKIM Key Detected | Buick |
| 1 | P060A | PCM Internal Control Module Error | Honda |
| 1 | P105D | Intake Valve stuck in High position | Jeep |
| 1 | P1233 | Fuel System Disabled Or Offline | Jaguar |
| 1 | P1260 | Immobilizer System Malfunction | Jaguar |
| 1 | P1470 | pressure control flap vacuum transducer | Mercedes-Benz |
| 1 | P1602 | Powertrain Control Module Not Programmed | Audi |
| 1 | P1637 | Generator 'L' Terminal Circuit Malfunction | Jaguar |
| 1 | P1799 | Calculated Oil Temperature In Use Malfunction | Jaguar |
| 1 | P2121 | Accelerator Pedal Position Sensor 1 Performance | Dodge |
| 1 | P2172 | High Airflow / Vacuum Leak Detected (Instantaneous Accumulation) | Ram |
| 1 | P2188 | Fuel Trim System Rich At Idle (Bank 1) | Buick |
| 1 | P2190 | Fuel Trim System Rich At Idle (Bank 2) | Buick |
| 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 | P2296 | Fuel Pressure Solenoid 2 Control Circuit High | Audi |
| 1 | P2404 | EVAP Leak Detection Pump Sense Circuit Range/Performance | Audi |
| 1 | P2422 | EVAP Canister Vent Shut Valve Close Malfunction | Kia |
| 1 | P2445 | Secondary Air Injection System Pump Stuck Off (Bank 1) | Toyota |
| 1 | U0020 | Can C bus off perfromance | Buick |
| 1 | U0100 | Lost Communication With ECM/PCM | Buick |
| 1 | U0109 | lost communication with fp control module | Buick |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Buick |
| 1 | U0136 | Bcm | Buick |
| 1 | U1131 | Data Circuit Malfunction | Jaguar |
| 1 | U1400 | Implausible Throttle Position Sensor Signal Received | Dodge |
| 1 | U1900 | CAN System Communication Error | Jaguar |
