Diagnostic Trouble Code Index for September 2004
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 |
| 17 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Dodge, Geo, Honda, Isuzu, Jeep, Kia, Mercedes-Benz, Mitsubishi, Pontiac, Toyota |
| 9 | P0171 | Fuel System Lean (Bank 1) | Dodge, Ford, Lincoln, Toyota |
| 9 | P0340 | Camshaft Position Sensor Circuit Malfunction | Cadillac, Chevrolet, Ford, Geo, Mazda, Mercury, Saab, Suzuki, Toyota |
| 8 | P0301 | Cylinder 1 Misfire Detected | Ford, Honda, Isuzu, Mercedes-Benz, Mitsubishi, Nissan |
| 8 | P0302 | Cylinder 2 Misfire Detected | Chrysler, Ford, Honda, Isuzu, Jeep, Mercedes-Benz, Nissan, Subaru |
| 7 | P0303 | Cylinder 3 Misfire Detected | Chevrolet, Ford, Isuzu, Jeep, Mercedes-Benz, Nissan, Subaru |
| 7 | P0401 | Insufficient EGR Flow Detected | Chevrolet, Ford, GMC, Isuzu, Toyota |
| 4 | P0122 | TP Sensor Circuit Low Voltage | Acura, Chevrolet, Ford |
| 4 | P0172 | Fuel System Rich (Bank 1) | Dodge, Ford, Mercury, Pontiac |
| 4 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Lincoln |
| 4 | P0305 | Cylinder 5 Misfire Detected | Chevrolet, Dodge, Ford, Isuzu |
| 4 | P0306 | Cylinder 6 Misfire Detected | Chrysler, Ford, GMC, Isuzu |
| 4 | P0325 | Knock Sensor Circuit Malfunction | Chevrolet, Infiniti, Nissan |
| 4 | P0446 | EVAP Vent System Performance | Isuzu, Pontiac, Toyota, Volvo |
| 3 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Kia, Mercedes-Benz, Saab |
| 3 | P0304 | Cylinder 4 Misfire Detected | Ford, Isuzu, Jeep |
| 3 | P0410 | Secondary Air System Performance | Chevrolet, Mercedes-Benz |
| 2 | P0100 | Mass Airflow Sensor Circuit Malfunction | Nissan |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Nissan |
| 2 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Isuzu, Volvo |
| 2 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | GMC |
| 2 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Ford, GMC |
| 2 | P0308 | Cylinder 8 Misfire Detected | Dodge, Ford |
| 2 | P0441 | EVAP Purge System Performance | Mitsubishi, Pontiac |
| 2 | P0455 | EVAP System Large Leak Detected | Jeep, Volvo |
| 2 | P0505 | Idle Control System Malfunction | Mitsubishi |
| 2 | P1171 | Fuel System Lean During Acceleration | Isuzu, Volvo |
| 2 | P1223 | Throttle Position Sensor 2 Circuit Low Input | Nissan |
| 2 | P1602 | Powertrain Control Module Not Programmed | Buick, Oldsmobile |
| 2 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Pontiac |
| 2 | U1255 | Class 2 Communication Malfunction | Buick, Pontiac |
| 1 | C0222 | R.F wheel speed signal missing | Chevrolet |
| 1 | C0226 | L.F. wheel speed signal missing | Chevrolet |
| 1 | C1298 | pcm class 2 serial data link fault | Buick |
| 1 | P0055 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Resistance | Oldsmobile |
| 1 | P0080 | exhaust valve control solenoid circuit high | Oldsmobile |
| 1 | P0101 | MAF Sensor Performance | Chevrolet |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | GMC |
| 1 | P0112 | IAT Sensor Circuit Low Voltage | Jeep |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Jeep |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | GMC |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Subaru |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Volvo |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Mazda |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Volvo |
| 1 | P0160 | Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient Activity | Chevrolet |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Mercedes-Benz |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0181 | Fuel Tank Temperature Sensor Range/Performance | Lincoln |
| 1 | P0183 | Fuel Tank Temperature Sensor Circuit High Voltage | Subaru |
| 1 | P0189 | Engine Fuel Temperature Sensor 'B' Circuit Intermittent | Lincoln |
| 1 | P0221 | Throttle Position Sensor 2 Performance | Nissan |
| 1 | P0238 | Turbocharger Boost Circuit High Voltage | Chevrolet |
| 1 | P0251 | Injection Pump Camshaft System | Chevrolet |
| 1 | P0307 | Cylinder 7 Misfire Detected | Ford |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Chevrolet |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet |
| 1 | P0336 | Crankshaft Position Sensor Performance | Chevrolet |
| 1 | P0337 | CKP Sensor Circuit Low Duty Cycle | Chevrolet |
| 1 | P0341 | CMP Sensor Performance | Buick |
| 1 | P0350 | Ignition Coil Primary/Secondary Circuit Malfunction | Nissan |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Dodge |
| 1 | P0400 | EGR System Recirculation Flow | Mercedes-Benz |
| 1 | P0402 | Excessive EGR Flow Detected | Infiniti |
| 1 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Toyota |
| 1 | P0452 | Fuel Tank Pressure Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Volvo |
| 1 | P0456 | EVAP System Very Small Leak Detected | Jeep |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0464 | Fuel Level Sensor Circuit Intermittent | Subaru |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0530 | A/C Refrigerant Pressure Sensor Circuit Malfunction | Chevrolet |
| 1 | P0601 | Control Module Read Only Memory | Dodge |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0641 | 5-Volt Reference 1 Circuit Malfunction | Oldsmobile |
| 1 | P0672 | Glow Plug No. 2 Control Circuit Malfunction | Volkswagen |
| 1 | P0708 | Transmission Range Switch Circuit High Input | Ford |
| 1 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Dodge |
| 1 | P0743 | Torque Converter Clutch Solenoid Circuit Malfunction | Ford |
| 1 | P1110 | Atmospheric Pressure Sensor Low Voltage | Infiniti |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Nissan |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Hyundai |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Toyota |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Infiniti |
| 1 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Audi |
| 1 | P1143 | Heated Oxygen Sensor (Bank 1 Sensor 1) Lean Shift Monitoring | Volkswagen |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Volkswagen |
| 1 | P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching | Toyota |
| 1 | P1175 | Air Fuel Imbalance (Bank 2) | Land Rover |
| 1 | P1178 | Electronic Throttle System Motor Battery Voltage Open | Land Rover |
| 1 | P1181 | Fuel Delivery System High | Volvo |
| 1 | P1216 | Fuel Solenoid Response Time Too Short | Chevrolet |
| 1 | P1217 | Engine Over-Temperature Condition | Chevrolet |
| 1 | P1224 | Fuel Injector 1 Control Circuit Shorted | Nissan |
| 1 | P1232 | Fuel Injector 4 Output Circuit Malfunction | Nissan |
| 1 | P1260 | Immobilizer System Malfunction | Ford |
| 1 | P1272 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Ford |
| 1 | P1275 | Accelerator Pedal Position Sensor 1 Circuit Malfunction | Chevrolet |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Toyota |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1332 | variable valve timing solenoid | Volvo |
| 1 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Nissan |
| 1 | P1346 | Variable Valve Timing - CMP Sensor Range/Performance | Toyota |
| 1 | P1361 | ICM Ignition Control Circuit Low Voltage | Chevrolet |
| 1 | P1362 | ICM Control Circuit High Voltage | Chevrolet |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Ford |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Ford |
| 1 | P1433 | Fuel Level Sensor 2 High Voltage | Audi |
| 1 | P1442 | EVAP Vacuum Switch Circuit Malfunction | GMC |
| 1 | P1443 | Secondary Air Injection System Control Valve Circuit Malfunction (Bank 2) | Ford |
| 1 | P1482 | Cooling Fan Speed Output Circuit Malfunction | Mercedes-Benz |
| 1 | P1507 | Idle Air Control System RPM Lower Than Expected | Subaru |
| 1 | P1513 | Starter Request Switch Stuck | Ford |
| 1 | P1519 | Idle Air Control Valve Circuit Malfunction | BMW |
| 1 | P1538 | Air Conditioning Request Circuit High Input | Ford |
| 1 | P1580 | Battery Current Sensor Circuit Malfunction | BMW |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 1 | P1620 | Low Engine Coolant Switch Circuit Low Input | Saturn |
| 1 | P1624 | Immobilizer Communication Error | Saturn |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Buick |
| 1 | P1702 | Primary Oil Pressure Sensor / Secondary Oil Pressure Sensor Correlation | Ford |
| 1 | P1705 | Throttle Position Sensor Circuit Malfunction | Lexus |
| 1 | P1715 | Restricted Manual Valve in T3 Range | Nissan |
| 1 | P1720 | Solenoid 'A' Controlled Clutch Stuck Off | Nissan |
| 1 | U1009 | First letter in code U. SCP inval/miss eng.torq. data | Mercury |
| 1 | U1016 | Serial Communications Malfunction | Buick |
| 1 | U1027 | SCP Data Fault engine RPM | Mercury |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1059 | Egr insufficient flow | Mercury |
| 1 | U1192 | Loss of VTD (Pass Lock) Communication | Chevrolet |
| 1 | U1300 | Class 2 Data Line Short To Ground | Saturn |
