Diagnostic Trouble Code Index for February 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 |
| 20 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Dodge, Ford, Honda, Kia, Mercury, Nissan, Toyota, Volvo |
| 20 | P0300 | Multiple Cylinder Misfire Detected | Buick, Chevrolet, Dodge, Ford, GMC, Jeep, Kia, Mazda, Mercedes-Benz, Mercury, Mitsubishi, Pontiac, Toyota, Volkswagen |
| 10 | P0301 | Cylinder 1 Misfire Detected | BMW, Chrysler, Dodge, Ford, Land Rover, Mercedes-Benz, Mercury, Mitsubishi, Oldsmobile |
| 10 | P0302 | Cylinder 2 Misfire Detected | BMW, Ford, Honda, Jeep, Lexus, Mercedes-Benz, Mitsubishi, Saturn, Toyota, Volkswagen |
| 7 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Isuzu |
| 7 | P0304 | Cylinder 4 Misfire Detected | Acura, BMW, Dodge, Ford, Plymouth, Subaru |
| 5 | P0306 | Cylinder 6 Misfire Detected | BMW, Dodge, Ford, Land Rover |
| 5 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chrysler, Dodge, Ford |
| 4 | P0101 | MAF Sensor Performance | Honda, Hyundai, Kia, Oldsmobile |
| 4 | P0303 | Cylinder 3 Misfire Detected | BMW, Dodge, Jeep, Volkswagen |
| 4 | P0410 | Secondary Air System Performance | Chevrolet, GMC, Porsche, Volvo |
| 4 | P0441 | EVAP Purge System Performance | Dodge, Lexus, Mercedes-Benz, Toyota |
| 4 | P0505 | Idle Control System Malfunction | Acura, Mercedes-Benz, Toyota, Volvo |
| 3 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Hyundai, Mercedes-Benz, Toyota |
| 3 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Mercedes-Benz, Nissan |
| 3 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Audi, BMW, Mercedes-Benz |
| 3 | P0305 | Cylinder 5 Misfire Detected | BMW, Cadillac, Toyota |
| 3 | P0320 | No Crank Reference Signal To PCM | Ford |
| 3 | P0325 | Knock Sensor Circuit Malfunction | Mercury, Nissan |
| 3 | P0400 | EGR System Recirculation Flow | Kia, Mitsubishi, Subaru |
| 3 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Dodge |
| 3 | P0455 | EVAP System Large Leak Detected | Mazda |
| 2 | P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | Dodge, Volvo |
| 2 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Mercedes-Benz |
| 2 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 2 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Ford, Nissan |
| 2 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Ford, GMC |
| 2 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Ford |
| 2 | P0172 | Fuel System Rich (Bank 1) | Ford, Volkswagen |
| 2 | P0336 | Crankshaft Position Sensor Performance | Honda, Isuzu |
| 2 | P0341 | CMP Sensor Performance | Chevrolet, Isuzu |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chrysler, Plymouth |
| 2 | P0401 | Insufficient EGR Flow Detected | Ford, Toyota |
| 2 | P0402 | Excessive EGR Flow Detected | Ford |
| 2 | P0411 | Secondary AIR System Incorrect Airflow Detected | Volkswagen |
| 2 | P0440 | General EVAP System Failure | GMC, Nissan |
| 2 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Nissan, Toyota |
| 2 | P0605 | Control Module Programming Read Only Memory | Ford, Volkswagen |
| 2 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Porsche, Volkswagen |
| 2 | P1351 | ICM Ignition Control Circuit High Voltage | Chevrolet, Ford |
| 2 | P1404 | EGR Valve Closed Position Performance | Chevrolet, Pontiac |
| 1 | C1201 | Engine Control System Fault | Lexus |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Volvo |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Lexus |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Volkswagen |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Volvo |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Chevrolet |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P0116 | ECT Sensor Performance | Saab |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Chevrolet |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Lexus |
| 1 | P0121 | TP Sensor Performance | Jeep |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Isuzu |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Oldsmobile |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Dodge |
| 1 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Mercedes-Benz |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Ford |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford |
| 1 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Audi |
| 1 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 1 | P0176 | Loss Of Flexible Fuel Calibration Signal | Ford |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Chevrolet |
| 1 | P0228 | Accelerator Pedal Position Sensor 3 High Voltage | Chevrolet |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Ford |
| 1 | P0231 | Fuel Pump Feedback Circuit Low Voltage | Ford |
| 1 | P0245 | Turbo / Supercharger Wastegate Solenoid 'A' Circuit Low Voltage | Volvo |
| 1 | P0282 | Cylinder 8 Injector Circuit Low | Ford |
| 1 | P0296 | EST circuit | Chevrolet |
| 1 | P0321 | Crankshaft Position Sensor Circuit Range/Performance | Volkswagen |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Hyundai |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chevrolet |
| 1 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Plymouth |
| 1 | P0380 | Glow Plug Feedback Circuit | Volkswagen |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Dodge |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Mercury |
| 1 | P0442 | EVAP System Small Leak Detected | Chevrolet |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Ford |
| 1 | P0445 | EVAP Canister Purge Volume Control Solenoid Circuit High Voltage | Volvo |
| 1 | P0446 | EVAP Vent System Performance | Toyota |
| 1 | P0463 | Fuel Level Sensor High Voltage | Chevrolet |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0501 | Vehicle Speed Sensor 1 Performance | Mercury |
| 1 | P0506 | Idle Speed Low | Volkswagen |
| 1 | P0507 | Idle Speed High | Saturn |
| 1 | P0550 | Power Steering Pressure Sensor Circuit Malfunction | Volkswagen |
| 1 | P0600 | Serial Communication Link | Nissan |
| 1 | P0724 | TCC Brake Switch Circuit High Voltage | Chevrolet |
| 1 | P0753 | 1-2 Shift Solenoid Circuit Malfunction | Buick |
| 1 | P0758 | 2-3 Shift Solenoid Circuit Malfunction | Buick |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1014 | Exhaust Camshaft Position Actuator Park Position (Bank 2) | Volvo |
| 1 | P1119 | Manifold Air Temperature Sensor High Voltage | Porsche |
| 1 | P1122 | TP Sensor Circuit Intermittent Low Voltage | Chevrolet |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Porsche |
| 1 | P1159 | Air Fuel Sensor (Bank 1 Sensor 1) AFS+ Circuit Low Voltage | Hyundai |
| 1 | P1195 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Insufficient Activity | Ford |
| 1 | P1202 | Cylinder 2 Misfire Detected | Chevrolet |
| 1 | P1214 | Injection Pump Timing Offset | Chevrolet |
| 1 | P1285 | Accelerator Pedal Position Sensor 3 Circuit Malfunction | Ford |
| 1 | P1292 | High Side No. 2 (Left) Short To Ground Or Voltage Detected | Ford |
| 1 | P1298 | Electrical Load Detector Circuit High Voltage | Ford |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Ford |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P1313 | ETC System - Ice Blockage / Short Circuit To Voltage | Land Rover |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Land Rover |
| 1 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Nissan |
| 1 | P1337 | Crankshaft Speed Fluctuation Sensor No Signal | Cadillac |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Mercury |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1392 | 'G' Sensor Rough Road Low Voltage | Volkswagen |
| 1 | P1406 | EGR Valve Pintle Position Circuit Malfunction | Chevrolet |
| 1 | P1443 | Secondary Air Injection System Control Valve Circuit Malfunction (Bank 2) | Ford |
| 1 | P1446 | EVAP Canister Vent Valve Malfunction (Closed) | Volvo |
| 1 | P1448 | EVAP Canister Vent Control Valve Malfunction (Open) | Nissan |
| 1 | P1450 | Unable to Bleed Up Fuel Tank Vacuum | Chevrolet |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Ford |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1492 | Battery Temperature Sensor Circuit High Voltage | Honda |
| 1 | P1507 | Idle Air Control System RPM Lower Than Expected | Ford |
| 1 | P1537 | Air Conditioning Request Circuit Low Input | Ford |
| 1 | P1556 | Battery Module Temperature Sensor Signal 2 Circuit High Voltage | Volkswagen |
| 1 | P1573 | Brake Pedal Stuck Off | Buick |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 1 | P1596 | Speed Control Switch Continuous High Voltage | Jeep |
| 1 | P1613 | Secondary Air Injection System Driver | Audi |
| 1 | P1624 | Immobilizer Communication Error | Saturn |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Buick |
| 1 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Buick |
| 1 | P1654 | A/C Relay Control Circuit Malfunction | Buick |
| 1 | P1655 | EVAP Purge Solenoid Control Circuit Malfunction | Buick |
| 1 | P1675 | EVAP Vent Solenoid Control Circuit Malfunction | Buick |
| 1 | P1711 | Pressure Control Solenoid 'E' Circuit Stuck Closed | Ford |
| 1 | P1746 | Electronic Pressure Control Solenoid Circuit Malfunction | Ford |
| 1 | P2098 | Downstream Fuel System Lean - HO2S-22 (Bank 2 Sensor 2) | Porsche |
| 1 | U1026 | Loss of ATC Class 2 Communication | Chevrolet |
