Diagnostic Trouble Code Index for August 2019
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 |
| 12 | P0300 | Multiple Cylinder Misfire Detected | Audi, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Mercury, Toyota |
| 5 | P0301 | Cylinder 1 Misfire Detected | Dodge, Jeep, Subaru, Toyota |
| 5 | P0302 | Cylinder 2 Misfire Detected | BMW, Dodge, Ford, Toyota |
| 4 | P0303 | Cylinder 3 Misfire Detected | Cadillac, Jeep, Toyota |
| 3 | P0171 | Fuel System Lean (Bank 1) | Toyota, Volvo |
| 3 | P0299 | Turbocharger Engine Underboost | GMC, Jeep, Mercedes-Benz |
| 3 | P0304 | Cylinder 4 Misfire Detected | Chevrolet, Toyota |
| 2 | P0014 | Exhaust Camshaft Position System Performance | Toyota, Volvo |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chevrolet, Volkswagen |
| 2 | P0101 | MAF Sensor Performance | GMC, Volkswagen |
| 2 | P0172 | Fuel System Rich (Bank 1) | Dodge, Jeep |
| 2 | P0308 | Cylinder 8 Misfire Detected | Audi, Ford |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Dodge |
| 2 | P061B | Internal Control Module Torque Calculation Performance | Ford |
| 1 | C5617 | System disabled stored invalid serial data recieved | Chevrolet |
| 1 | P0011 | Intake Camshaft Position System Performance | Chevrolet |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Toyota |
| 1 | P0015 | Camshaft Position 'B' Over-Retarded (Bank 1) | Volvo |
| 1 | P0036 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Control Circuit Malfunction | Chevrolet |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | Chevrolet |
| 1 | P0054 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Resistance | Chevrolet |
| 1 | P0059 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Resistance | Chevrolet |
| 1 | P0060 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Resistance | Chevrolet |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Chevrolet |
| 1 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Honda |
| 1 | P0174 | Fuel System Lean (Bank 2) | BMW |
| 1 | P0175 | Fuel System Rich (Bank 2) | Jeep |
| 1 | P0192 | Fuel Rail Pressure Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Ford |
| 1 | P0233 | Fuel Pump Secondary Circuit Intermittent | Nissan |
| 1 | P0234 | Turbocharger Engine Overboost | Mazda |
| 1 | P0236 | Turbocharger Boost System Performance | Chevrolet |
| 1 | P0238 | Turbocharger Boost Circuit High Voltage | Volkswagen |
| 1 | P0305 | Cylinder 5 Misfire Detected | Jeep |
| 1 | P0307 | Cylinder 7 Misfire Detected | Ram |
| 1 | P0315 | Crankshaft Position Sensor Variation Not Learned | Dodge |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Dodge |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Dodge |
| 1 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Dodge |
| 1 | P0357 | Ignition Coil 7 Control Circuit Malfunction | Dodge |
| 1 | P0390 | Exhaust Camshaft Position Sensor Circuit Malfunction (Bank 2) | Ram |
| 1 | P0394 | Camshaft Position Sensor 1 - Signal Intermittent | Ram |
| 1 | P0401 | Insufficient EGR Flow Detected | Ford |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Toyota |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Subaru |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0446 | EVAP Vent System Performance | Toyota |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P0455 | EVAP System Large Leak Detected | Chevrolet |
| 1 | P0463 | Fuel Level Sensor High Voltage | Ford |
| 1 | P0496 | EVAP Canister Purge System High Purge Flow | GMC |
| 1 | P0606 | Control Module Internal Performance | Chevrolet |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | Chevrolet |
| 1 | P1186 | Inlet Pressure Sensor Circuit Voltage Below Lower Limit | Jeep |
| 1 | P119A | Fuel pressure sensor G247 | Audi |
| 1 | P1292 | High Side No. 2 (Left) Short To Ground Or Voltage Detected | Ford |
| 1 | P130A | Cylinder disabling | Audi |
| 1 | P1315 | Igniter 4 Circuit Malfunction | Toyota |
| 1 | P1346 | Variable Valve Timing - CMP Sensor Range/Performance | Toyota |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P150A | engine off timer perfomance | Audi |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1610 | NATS Initialization Failure | Nissan |
| 1 | P1614 | NATS CHAIN OF IMMU-KEY | Nissan |
| 1 | P1718 | Transmission Fluid Temperature Sensor Continually Reading Hot | Subaru |
| 1 | P200B | Efficiency right cat is insufficient | Mercedes-Benz |
| 1 | P2029 | Intake Air Temperature Sensor Performance | Mercedes-Benz |
| 1 | P219A | Bank 1 air/fuel ratio imbalance | Honda |
| 1 | P2227 | BARO Sensor Performance | Chevrolet |
| 1 | P2279 | Intake Air System Leak | Audi |
| 1 | P228C | Fuel Pressure Regulator 1 Exceeded Control Limits - Pressure Too Low | GMC |
| 1 | P2445 | Secondary Air Injection System Pump Stuck Off (Bank 1) | Toyota |
| 1 | P244B | Diesel Particulate Filter Differential Pressure Too High | GMC |
| 1 | P2463 | Diesel Particulate Filter Soot Level Accumulation | GMC |
| 1 | P3026 | Battery Block 16 Malfunction | Chevrolet |
| 1 | P4910 | Secondary - Air System insufficient flow Bank 1 Below Limit Value | Porsche |
| 1 | P4920 | Secondary - Air System Bank 2 Below Limit Value | Porsche |
| 1 | U1001 | Lost Communication With XXX Control Module | Nissan |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
