Diagnostic Trouble Code Index for February 2024
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 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Audi, Land Rover |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Kia |
| 1 | P0019 | Crankshaft Position - Exhaust Camshaft Position Correlation (Bank 2) | GMC |
| 1 | P0024 | Exhaust Camshaft Position System Performance (Bank 2) | GMC |
| 1 | P0101 | MAF Sensor Performance | GMC |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford |
| 1 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Porsche |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Jeep |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Chevrolet |
| 1 | P0234 | Turbocharger Engine Overboost | Ford |
| 1 | P0269 | Cylinder 3 Balance System Malfunction | Ford |
| 1 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet |
| 1 | P0302 | Cylinder 2 Misfire Detected | Jeep |
| 1 | P0341 | CMP Sensor Performance | Honda |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | GMC |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Lexus |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Lexus |
| 1 | P0507 | Idle Speed High | Land Rover |
| 1 | P0651 | 5-Volt Reference 2 Circuit Malfunction | Volkswagen |
| 1 | P129F | Fuel Pump Driver Control Module Speed Signal Message Incorrect | GMC |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Scion |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Scion |
| 1 | P1605 | Diagnostic Communication Line Malfunction | Scion |
| 1 | P2189 | Fuel Trim System Lean At Idle (Bank 2) | Land Rover |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2279 | Intake Air System Leak | Mercedes-Benz |
| 1 | P3010 | Battery Total Resistance Malfunction | Mercedes-Benz |
| 1 | P3020 | Battery Block 10 Becomes Weak | Mercedes-Benz |
| 1 | P3030 | Battery Voltage Defected Line Snapped | Mercedes-Benz |
| 1 | P3040 | Combustion Misfire Cylinder 4 | Mercedes-Benz |
| 1 | P304B | Miss fire number 4 cylinder | Maserati |
