Diagnostic Trouble Code Index for March 2006
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 |
| 35 | P0300 | Multiple Cylinder Misfire Detected | Cadillac, Chevrolet, Dodge, Ford, GMC, Hummer, Lexus, Mazda, Mercedes-Benz, Mitsubishi, Oldsmobile, Pontiac, Saab, Toyota, Volkswagen |
| 21 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Dodge, Ford, Hyundai, Isuzu, Jaguar, Land Rover, Lexus, Oldsmobile, Pontiac, Volkswagen |
| 16 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Dodge, Ford, Isuzu, Jaguar, Land Rover, Mercury, Pontiac |
| 14 | P0304 | Cylinder 4 Misfire Detected | Chrysler, Dodge, Ford, Jaguar, Volkswagen |
| 11 | P0172 | Fuel System Rich (Bank 1) | Dodge, Ford, Honda, Mercury, Mitsubishi, Plymouth, Saturn, Subaru, Volkswagen |
| 11 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Cadillac, Chevrolet, Ford, Hyundai, Infiniti, Lincoln, Mercury, Toyota |
| 10 | P0303 | Cylinder 3 Misfire Detected | Chevrolet, Chrysler, Ford, Isuzu, Mazda, Mercury, Subaru, Volkswagen, Volvo |
| 9 | P0302 | Cylinder 2 Misfire Detected | Chrysler, Ford, Mazda, Mercury, Subaru, Toyota, Volkswagen, Volvo |
| 9 | P0306 | Cylinder 6 Misfire Detected | Chevrolet, Chrysler, Dodge, Ford, Mercedes-Benz, Mitsubishi, Volkswagen |
| 7 | P0305 | Cylinder 5 Misfire Detected | Chrysler, Dodge, Ford, Hyundai, Land Rover, Pontiac, Volkswagen |
| 6 | P0175 | Fuel System Rich (Bank 2) | Dodge, Ford, Mercury, Mitsubishi |
| 6 | P0301 | Cylinder 1 Misfire Detected | Chrysler, Honda, Kia, Mazda, Pontiac, Toyota |
| 6 | P0401 | Insufficient EGR Flow Detected | Chevrolet, Ford, Mitsubishi, Toyota |
| 6 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Ford, Infiniti, Lexus, Toyota |
| 5 | P0325 | Knock Sensor Circuit Malfunction | Infiniti, Mercury, Nissan |
| 5 | P0430 | Catalyst System Low Efficiency (Bank 2) | Chevrolet, Ford, Infiniti, Lexus |
| 5 | P0442 | EVAP System Small Leak Detected | Dodge, Ford, Volkswagen |
| 4 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Nissan, Oldsmobile, Pontiac |
| 4 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | BMW, Ford, Jeep, Pontiac |
| 4 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Chevrolet, Ford, Jeep, Toyota |
| 4 | P0400 | EGR System Recirculation Flow | Mazda, Nissan |
| 3 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Dodge, Ford, Oldsmobile |
| 3 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Kia, Pontiac |
| 3 | P0336 | Crankshaft Position Sensor Performance | Pontiac |
| 3 | P0402 | Excessive EGR Flow Detected | Ford, Mazda |
| 3 | P0410 | Secondary Air System Performance | Chevrolet, GMC, Mercedes-Benz |
| 3 | P0411 | Secondary AIR System Incorrect Airflow Detected | Audi, Volkswagen |
| 3 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 3 | P1110 | Atmospheric Pressure Sensor Low Voltage | Infiniti, Nissan, Saab |
| 3 | P1507 | Idle Air Control System RPM Lower Than Expected | Subaru |
| 2 | P0100 | Mass Airflow Sensor Circuit Malfunction | Infiniti, Mercedes-Benz |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Oldsmobile |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Audi, Mercury |
| 2 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 2 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Ford |
| 2 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 2 | P0308 | Cylinder 8 Misfire Detected | Dodge, Land Rover |
| 2 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Pontiac |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Dodge, Ford |
| 2 | P0380 | Glow Plug Feedback Circuit | Volkswagen |
| 2 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Audi, Mazda |
| 2 | P0441 | EVAP Purge System Performance | Dodge, Hyundai |
| 2 | P0446 | EVAP Vent System Performance | Nissan, Toyota |
| 2 | P0456 | EVAP System Very Small Leak Detected | Jeep |
| 2 | P0501 | Vehicle Speed Sensor 1 Performance | Oldsmobile, Volkswagen |
| 2 | P0505 | Idle Control System Malfunction | BMW, Honda |
| 2 | P0601 | Control Module Read Only Memory | BMW, Chrysler |
| 2 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet, Pontiac |
| 2 | P1113 | Intake Air Temperature Sensor Circuit Malfunction | Audi |
| 2 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Volkswagen |
| 2 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Audi |
| 2 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | BMW, Chevrolet |
| 2 | P1259 | VTEC System Malfunction (Bank 1) | Honda |
| 2 | P1300 | Igniter 1 Circuit Malfunction | Land Rover, Volkswagen |
| 2 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Isuzu, Volkswagen |
| 2 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 2 | P1399 | Misfire any cylinder | Honda |
| 2 | P1401 | EGR Temperature Sensor Circuit Malfunction | Ford |
| 2 | P1403 | EGR Solenoid Control Circuit Low Voltage | Volkswagen |
| 1 | B1021 | Loss of PCM serial data | Oldsmobile |
| 1 | C0236 | rear wheel speed sensor circuit | Pontiac |
| 1 | P0050 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Control Circuit Malfunction | Saturn |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Mitsubishi |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Nissan |
| 1 | P0121 | TP Sensor Performance | Chevrolet |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0123 | TP Sensor Circuit High Voltage | Dodge |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Toyota |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Ford |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Subaru |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Ford |
| 1 | P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction | Oldsmobile |
| 1 | P0152 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Honda |
| 1 | P0270 | Fuel Injector 4 Control Circuit Low Voltage | BMW |
| 1 | P0307 | Cylinder 7 Misfire Detected | Ford |
| 1 | P0310 | Cylinder 10 Misfire Detected | Ford |
| 1 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Pontiac |
| 1 | P0326 | Knock Sensor Performance | Kia |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Toyota |
| 1 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | Pontiac |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0361 | est line not toggling | Pontiac |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Chrysler |
| 1 | P0404 | EGR Open Position Performance | Chevrolet |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Dodge |
| 1 | P0440 | General EVAP System Failure | Volkswagen |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Ford |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Chevrolet |
| 1 | P0455 | EVAP System Large Leak Detected | Dodge |
| 1 | P0457 | Loose Fuel Cap | Ford |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0478 | Exhaust Backpressure Control Valve Excessive | Ford |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Subaru |
| 1 | P0507 | Idle Speed High | Chevrolet |
| 1 | P060C | Internal Control Module Main Processor Performance | Ford |
| 1 | P0610 | ECU Vehicle Options Mismatch | Pontiac |
| 1 | P0622 | Generator F-Terminal Circuit Malfunction | Dodge |
| 1 | P0712 | TFT Sensor Circuit Low Voltage | Ford |
| 1 | P0743 | Torque Converter Clutch Solenoid Circuit Malfunction | Jeep |
| 1 | P0770 | 4C Solenoid Circuit Malfunction | Toyota |
| 1 | P0809 | Variation in angle of camshaft to crankshaft | Mercedes-Benz |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Toyota |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power Enrichment | Audi |
| 1 | P1139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching | Audi |
| 1 | P1142 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Input | Volkswagen |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Ford |
| 1 | P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching | Oldsmobile |
| 1 | P1165 | Swirl Control Valve Control Vacuum Check Switch | Nissan |
| 1 | P1188 | Fuel Tank Temperature Sensor Circuit High Voltage | BMW |
| 1 | P1191 | Intake Air Duct Air Leak | Hyundai |
| 1 | P1193 | Intake Air Temperature Sensor Circuit High Voltage | Hyundai |
| 1 | P1218 | Injection Pump Calibration Circuit Malfunction | Dodge |
| 1 | P1229 | Accelerator Pedal Position Sensor 2 Power Circuit Short | Jaguar |
| 1 | P1242 | Fuel Injector 7 Control Circuit Shorted | Jaguar |
| 1 | P1280 | Accelerator Pedal Position Sensor 2 Circuit Malfunction | Ford |
| 1 | P1288 | Air Fuel Sensor (Bank 2 Sensor 1) Circuit Response Time | Ford |
| 1 | P1294 | Target Idle Speed Not Reached | Jeep |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P1312 | ION Sensing Module Secondary Line 2 Circuit Malfunction | Isuzu |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Pontiac |
| 1 | P1344 | Cylinder 2 | Jaguar |
| 1 | P1346 | Variable Valve Timing - CMP Sensor Range/Performance | Toyota |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Toyota |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Ford |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Ford |
| 1 | P1386 | Knock Sensor Control Zero Test | Kia |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Chrysler |
| 1 | P1395 | Glow Plug Monitor Fault On Bank 1 (Right Side) | Ford |
| 1 | P1404 | EGR Valve Closed Position Performance | Chevrolet |
| 1 | P1405 | DPFE Sensor Upstream Hose Off or Plugged | Ford |
| 1 | P1407 | EGR Flow Out Of Self-Test Range | Mercury |
| 1 | P1443 | Secondary Air Injection System Control Valve Circuit Malfunction (Bank 2) | Ford |
| 1 | P1445 | EVAP Canister Purge Volume Control Valve Malfunction | Nissan |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Ford |
| 1 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Honda |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Dodge |
| 1 | P1496 | 5-Volt VREF Supply Voltage Too Low | Plymouth |
| 1 | P1500 | Starter Signal Circuit Malfunction | Lexus |
| 1 | P1514 | Throttle Body Performance | Pontiac |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | Mazda |
| 1 | P1519 | Idle Air Control Valve Circuit Malfunction | Ford |
| 1 | P1522 | Brake Booster (Master Power) Vacuum Sensor Low Voltage | Volkswagen |
| 1 | P1523 | Throttle Closed Position Performance | Mazda |
| 1 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Subaru |
| 1 | P1549 | Charging System High Voltage | Volkswagen |
| 1 | P1550 | Battery Current Sensor Range/Performance | Volkswagen |
| 1 | P1565 | Speed Control Command Switch Out-Of-Range High | Oldsmobile |
| 1 | P1570 | Laser Radar Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Pontiac |
| 1 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Pontiac |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Isuzu |
| 1 | P1642 | Fan Control Relay 2/3 Control Circuit Malfunction | Jaguar |
| 1 | P1652 | Cooling Fan 2 Relay Control Circuit Malfunction | Chevrolet |
| 1 | P1664 | Skip Shift 1-4 Upshift Lamp Control Circuit Malfunction | Chevrolet |
| 1 | P1690 | SMARTA - No Response | Ford |
| 1 | P1703 | Brake Switch Circuit Malfunction (Self Test) | Ford |
| 1 | P1708 | Transaxle Range Switch Circuit Malfunction | Ford |
| 1 | P1870 | Transmission Component Slipping | Chevrolet |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Dodge |
| 1 | P2120 | Accelerator Pedal Position Sensor 1 Circuit Malfunction | Chrysler |
| 1 | P2173 | High Airflow / Vacuum Leak Detected (Slow Accumulation) | Dodge |
| 1 | P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean | Ford |
| 1 | P2197 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Lean" | Ford |
| 1 | P2299 | Brake Pedal Position / Accelerator Pedal Position Incompatible | Ford |
| 1 | U1000 | Class 2 Communication Malfunction | Pontiac |
| 1 | U1016 | Serial Communications Malfunction | Pontiac |
