Diagnostic Trouble Code Index for January 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 |
| 39 | P0300 | Multiple Cylinder Misfire Detected | BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Eagle, GMC, Isuzu, Jaguar, Lexus, Lincoln, Mercury, Mitsubishi, Oldsmobile, Plymouth, Pontiac, Toyota, Volkswagen |
| 15 | P0171 | Fuel System Lean (Bank 1) | Cadillac, Dodge, Ford, Land Rover, Mercury, Nissan, Pontiac, Toyota |
| 8 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Dodge, Ford, Land Rover, Mercury, Nissan |
| 8 | P0304 | Cylinder 4 Misfire Detected | Ford, Honda, Jaguar, Subaru, Volkswagen |
| 7 | P0301 | Cylinder 1 Misfire Detected | Dodge, Ford, Jaguar, Kia, Oldsmobile |
| 6 | P0306 | Cylinder 6 Misfire Detected | Dodge, Ford |
| 5 | P0305 | Cylinder 5 Misfire Detected | Chevrolet, Dodge, Ford, Toyota |
| 5 | P0401 | Insufficient EGR Flow Detected | Acura, Honda, Toyota |
| 5 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Nissan, Pontiac, Toyota, Volvo |
| 4 | P0302 | Cylinder 2 Misfire Detected | Chrysler, Dodge, Ford, Mazda |
| 4 | P0303 | Cylinder 3 Misfire Detected | Cadillac, Dodge, Mazda |
| 4 | P0410 | Secondary Air System Performance | Chevrolet, Mercedes-Benz, Pontiac, Volvo |
| 3 | P0172 | Fuel System Rich (Bank 1) | Dodge, Ford, Toyota |
| 3 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Eagle, Ford |
| 3 | P0341 | CMP Sensor Performance | Audi, Pontiac, Volkswagen |
| 3 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 2 | P0106 | MAP Sensor Performance | Chevrolet, Subaru |
| 2 | P0121 | TP Sensor Performance | Chevrolet |
| 2 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Chevrolet, Pontiac |
| 2 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Chevrolet, Nissan |
| 2 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | Audi, Mercedes-Benz |
| 2 | P0175 | Fuel System Rich (Bank 2) | Ford |
| 2 | P0190 | Fuel Rail Pressure Sensor Circuit Malfunction | Ford, Mercury |
| 2 | P0200 | Fuel Injector Circuit Malfunction | Mercedes-Benz |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Buick, Mercury |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Volvo |
| 2 | P0336 | Crankshaft Position Sensor Performance | Pontiac |
| 2 | P0400 | EGR System Recirculation Flow | Mercedes-Benz, Subaru |
| 2 | P0411 | Secondary AIR System Incorrect Airflow Detected | Ford |
| 2 | P0441 | EVAP Purge System Performance | Lexus |
| 2 | P0446 | EVAP Vent System Performance | Lexus, Toyota |
| 2 | P0463 | Fuel Level Sensor High Voltage | Oldsmobile, Pontiac |
| 2 | P0505 | Idle Control System Malfunction | Infiniti, Plymouth |
| 2 | P0507 | Idle Speed High | Cadillac, Pontiac |
| 2 | P0603 | Control Module Long Term Memory Reset | Cadillac, Ford |
| 2 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 2 | P1313 | ETC System - Ice Blockage / Short Circuit To Voltage | Jaguar |
| 1 | (P030 | Audi | |
| 1 | (P154 | Audi | |
| 1 | (P155 | Audi | |
| 1 | B1365 | Ign. start ckt short - B | Pontiac |
| 1 | B1681 | PATS Receiver Module Signal Not Received | Ford |
| 1 | B2141 | Module configuration procedure was not completed properly. | Ford |
| 1 | B2958 | Security system sensor data circuit high | Pontiac |
| 1 | P0000 | No Self-Diagnostic Malfunction Detected | Nissan |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Mercury |
| 1 | P0101 | MAF Sensor Performance | Oldsmobile |
| 1 | P0102 | MAF Sensor Circuit Low Frequency | Ford |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Volvo |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Volkswagen |
| 1 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Mitsubishi |
| 1 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Chevrolet |
| 1 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Ford |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Chevrolet |
| 1 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Audi |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0193 | Fuel Rail Pressure Sensor Circuit High Voltage | Mercury |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Dodge |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | Dodge |
| 1 | P0243 | Supercharger Boost Solenoid Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Ford |
| 1 | P0267 | Fuel Injector 3 Control Circuit Low Voltage | Ford |
| 1 | P0273 | Fuel Injector 5 Control Circuit Low Voltage | Ford |
| 1 | P0279 | Cylinder 7 Injector Circuit Low | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Toyota |
| 1 | P0308 | Cylinder 8 Misfire Detected | Dodge |
| 1 | P0326 | Knock Sensor Performance | Saturn |
| 1 | P0346 | Intake Camshaft Position Sensor Performance (Bank 2) | Audi |
| 1 | P0350 | Ignition Coil Primary/Secondary Circuit Malfunction | Pontiac |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Opel |
| 1 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Opel |
| 1 | P0380 | Glow Plug Feedback Circuit | Mercedes-Benz |
| 1 | P0402 | Excessive EGR Flow Detected | Ford |
| 1 | P0403 | EGR Solenoid Control Circuit Malfunction | Subaru |
| 1 | P0404 | EGR Open Position Performance | GMC |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0439 | ECM Internal Fault | Volkswagen |
| 1 | P0440 | General EVAP System Failure | Pontiac |
| 1 | P0442 | EVAP System Small Leak Detected | Lexus |
| 1 | P0443 | EVAP Purge Solenoid Control Circuit Malfunction | Jeep |
| 1 | P0453 | Fuel Tank Pressure Sensor Circuit High Voltage | Pontiac |
| 1 | P0455 | EVAP System Large Leak Detected | Suzuki |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Volvo |
| 1 | P0506 | Idle Speed Low | Pontiac |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Oldsmobile |
| 1 | P0734 | Gear Ratio Error In Fourth | Land Rover |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | GMC |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Mercury |
| 1 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Mazda |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1219 | Cylinder ID Signal Stuck Low | Ford |
| 1 | P1255 | CTS short to ground | Volkswagen |
| 1 | P1271 | Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity | Ford |
| 1 | P1314 | ETC System - Ice Blockage / Short Circuit To Ground | Jaguar |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Jaguar |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1359 | CKP/TDC Sensor Circuit Malfunction | Pontiac |
| 1 | P1361 | ICM Ignition Control Circuit Low Voltage | Pontiac |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1404 | EGR Valve Closed Position Performance | Buick |
| 1 | P1421 | Cold Start Emission Reduction Strategy Monitoring | BMW |
| 1 | P1423 | Fuel Tank Large Leak | BMW |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Ford |
| 1 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Nissan |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1476 | High Fan Relay Control Circuit Malfunction | Dodge |
| 1 | P1491 | EVAP Vacuum Cut Valve/Bypass Circuit Malfunction | Honda |
| 1 | P1496 | 5-Volt VREF Supply Voltage Too Low | Nissan |
| 1 | P1506 | Idle Air Control System RPM Higher Than Expected | Ford |
| 1 | P1512 | Control Module Throttle Actuator Position Performance | Mazda |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Ford |
| 1 | P1517 | Throttle Actuator Control Module Performance | Ford |
| 1 | P1545 | Air Conditioning Clutch Relay Control Circuit Malfunction | Audi |
| 1 | P1580 | Battery Current Sensor Circuit Malfunction | Volkswagen |
| 1 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 1 | P1585 | Cruise Control Inhibit Output Circuit Malfunction | Volkswagen |
| 1 | P1601 | PCM Serial Communications Malfunction | Pontiac |
| 1 | P1615 | NATS DIFFERENCE OF KEY | Mercedes-Benz |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Oldsmobile |
| 1 | P1629 | Theft Deterrent Signal Not Present, Engine Cranking | Chevrolet |
| 1 | P1685 | Smart Key Immobilizer Module Invalid Key | Jeep |
| 1 | P1687 | No Communication With MIC | Jeep |
| 1 | P1696 | EEPROM Memory Write Denied / Invalid | Dodge |
| 1 | P1775 | Solenoid Switch Latched In TCC Position | Nissan |
| 1 | P1780 | Park/Neutral Position Switch Circuit Malfunction | Toyota |
| 1 | U1000 | Class 2 Communication Malfunction | Pontiac |
| 1 | U1040 | Lost Communication With Antilock Brake System Module | Pontiac |
| 1 | U1255 | Class 2 Communication Malfunction | Pontiac |
| 1 | U1262 | Data Circuit Malfunction | Ford |
