Diagnostic Trouble Code Index for December 2018
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 |
| 6 | P0300 | Multiple Cylinder Misfire Detected | Audi, Chevrolet, GMC, Jeep, Porsche |
| 4 | P0101 | MAF Sensor Performance | Chevrolet, Volvo |
| 3 | P0175 | Fuel System Rich (Bank 2) | Ford, Jeep |
| 3 | P0302 | Cylinder 2 Misfire Detected | Ford, Jeep, Toyota |
| 2 | P0011 | Intake Camshaft Position System Performance | Chevrolet, GMC |
| 2 | P0106 | MAP Sensor Performance | Chevrolet, Dodge |
| 2 | P0171 | Fuel System Lean (Bank 1) | Ford, Honda |
| 2 | P0172 | Fuel System Rich (Bank 1) | Ford |
| 2 | P0301 | Cylinder 1 Misfire Detected | Audi, Dodge |
| 2 | P0303 | Cylinder 3 Misfire Detected | Ford, Ram |
| 1 | B1517 | Battery voltage above/below threshold | GMC |
| 1 | B2645 | Ambient Light Sensor Above/below threshold | GMC |
| 1 | P0039 | Starter/Generator Control Module Circuit High Voltage | Dodge |
| 1 | P0050 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Control Circuit Malfunction | Chevrolet |
| 1 | P0068 | Throttle Body Airflow Performance | Chevrolet |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Porsche |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | BMW |
| 1 | P012B | Supercharger Inlet Absolute Pressure Sensor Performance | Ford |
| 1 | P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | Chevrolet |
| 1 | P0174 | Fuel System Lean (Bank 2) | Ford |
| 1 | P0304 | Cylinder 4 Misfire Detected | Jeep |
| 1 | P0305 | Cylinder 5 Misfire Detected | Ford |
| 1 | P0306 | Cylinder 6 Misfire Detected | Porsche |
| 1 | P0320 | No Crank Reference Signal To PCM | Dodge |
| 1 | P0325 | Knock Sensor Circuit Malfunction | Toyota |
| 1 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | Chevrolet |
| 1 | P0333 | Knock Sensor Circuit High Voltage (Bank 2) | Toyota |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Honda |
| 1 | P0381 | Wait To Start Control Circuit Malfunction | Ram |
| 1 | P0402 | Excessive EGR Flow Detected | Ford |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Mitsubishi |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P0488 | EGR Airflow Throttle Control Circuit Performance | Dodge |
| 1 | P0497 | EVAP Canister System Low Purge Flow | Pontiac |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Dodge |
| 1 | P0521 | Engine Oil Pressure Sensor Performance | GMC |
| 1 | P0571 | Brake Switch 1 Performance | Chevrolet |
| 1 | P0683 | Glow Plug Control Module Diagnostic Communication Circuit Malfunction | Ford |
| 1 | P0870 | Overdrive Hydraulic Pressure Test | Ram |
| 1 | P1005 | Manifold Tuning Valve Solenoid Control Performance | Dodge |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Lexus |
| 1 | P1229 | Accelerator Pedal Position Sensor 2 Power Circuit Short | Nissan |
| 1 | P1249 | Wastegate Fail Steady State Test | Ford |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Toyota |
| 1 | P160A | module configuration error | Ford |
| 1 | P1864 | TCC Enable Solenoid Circuit Malfunction | Mercedes-Benz |
| 1 | P2000 | NOx Adsorptive Catalytic System Efficiency Below Threshold | Ram |
| 1 | P2004 | Intake Manifold Runner Control Stuck Open | Mercedes-Benz |
| 1 | P207F | Reductant Quality Performance | Ram |
| 1 | P2121 | Accelerator Pedal Position Sensor 1 Performance | Ford |
| 1 | P2122 | Accelerator Pedal Position Sensor 1 Circuit Low Voltage | Nissan |
| 1 | P2138 | Accelerator Pedal Position Sensor 1-2 Correlation Error | Nissan |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Saab |
| 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 | P2201 | Immobilizer CAN Message Error | Ram |
| 1 | P229F | Nox sensor 2 circuit/range performance | Ram |
| 1 | P2617 | Crankshaft Position Signal Output Circuit Malfunction | Ford |
| 1 | P3062 | Camshaft position sensor A signal compare failure | Mercedes-Benz |
| 1 | P3360 | Crankshaft Position Sensor | Volvo |
| 1 | U1000 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1411 | Implausible Fuel Volume Signal Received | Jeep |
