Diagnostic Trouble Code Index for December 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 | Chevrolet, Mini, Porsche |
| 3 | P0301 | Cylinder 1 Misfire Detected | Buick, Mini, Porsche |
| 2 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | Chevrolet, Ford |
| 2 | P0171 | Fuel System Lean (Bank 1) | GMC, Toyota |
| 2 | P0302 | Cylinder 2 Misfire Detected | Lexus, Mini |
| 2 | P0303 | Cylinder 3 Misfire Detected | Buick, Mini |
| 2 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Buick, Ford |
| 1 | B2204 | ECU configuration miss match | Jeep |
| 1 | P0010 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1) | Porsche |
| 1 | P0011 | Intake Camshaft Position System Performance | Subaru |
| 1 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Chevrolet |
| 1 | P0020 | Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2) | Porsche |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Chevrolet |
| 1 | P0076 | Intake Valve Control Solenoid Circuit Low (Bank 1) | Porsche |
| 1 | P0087 | Fuel Rail Pressure Too Low | Audi |
| 1 | P0101 | MAF Sensor Performance | Toyota |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Chevrolet |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Porsche |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Audi |
| 1 | P0304 | Cylinder 4 Misfire Detected | Mini |
| 1 | P0305 | Cylinder 5 Misfire Detected | Buick |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0341 | CMP Sensor Performance | Buick |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Buick |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | Chevrolet |
| 1 | P0401 | Insufficient EGR Flow Detected | Jeep |
| 1 | P0474 | Exh pres sensor a intermittent/erratic | Ford |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Ford |
| 1 | P0900 | ECM Internal Fault | GMC |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Toyota |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Toyota |
| 1 | P1605 | Diagnostic Communication Line Malfunction | Toyota |
| 1 | P219A | Bank 1 Air-Fuel Ratio Imbalance | Ford |
| 1 | P219B | fuel trim cylinder balance bank 2 | Ford |
| 1 | P2263 | Turbo/Super Charger System Performance | Ford |
| 1 | P3191 | Engine Does Not Start | Toyota |
| 1 | P3410 | The position sensor for the intake camshaft has a malfunction | Audi |
| 1 | P3503 | Cylinder 3 misfire | Chevrolet |
