Diagnostic Trouble Code Index for September 2007
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 |
| 30 | P0300 | Multiple Cylinder Misfire Detected | Buick, Cadillac, Chevrolet, Chrysler, Ford, GMC, Honda, Hummer, Isuzu, Lincoln, Mercedes-Benz, Nissan, Pontiac, Saturn, Volkswagen |
| 14 | P0304 | Cylinder 4 Misfire Detected | Acura, Buick, Chevrolet, Chrysler, Ford, Honda, Land Rover, Mercedes-Benz, Mercury, Saturn, Subaru, Volkswagen |
| 13 | P0301 | Cylinder 1 Misfire Detected | Dodge, Ford, Honda, Isuzu, Jaguar, Land Rover, Mercedes-Benz, Saturn, Subaru, Volkswagen |
| 12 | P0171 | Fuel System Lean (Bank 1) | Buick, Chevrolet, Dodge, Ford, Honda, Kia, Mercury, Volvo |
| 11 | P0340 | Camshaft Position Sensor Circuit Malfunction | BMW, Dodge, Ford, Mitsubishi, Nissan |
| 9 | P0172 | Fuel System Rich (Bank 1) | Buick, Chevrolet, Dodge, Ford, Mercury, Suzuki |
| 9 | P0302 | Cylinder 2 Misfire Detected | Chevrolet, Ford, Honda, Jaguar, Land Rover, Lincoln, Mazda, Subaru, Volkswagen |
| 9 | P0303 | Cylinder 3 Misfire Detected | Dodge, Ford, Honda, Jaguar, Mazda, Mitsubishi, Saturn, Subaru, Volkswagen |
| 9 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Cadillac, Chevrolet, Ford, Infiniti, Nissan, Pontiac |
| 6 | P0305 | Cylinder 5 Misfire Detected | Chevrolet, Chrysler, Dodge, Ford |
| 6 | P0306 | Cylinder 6 Misfire Detected | Chevrolet, Kia, Land Rover, Lincoln, Mercedes-Benz |
| 6 | P0320 | No Crank Reference Signal To PCM | Dodge, Ford, Lincoln, Mercury |
| 6 | P0401 | Insufficient EGR Flow Detected | Ford, Lexus, Toyota |
| 5 | P0174 | Fuel System Lean (Bank 2) | Ford |
| 5 | P0175 | Fuel System Rich (Bank 2) | Chevrolet, Ford, Mercury, Suzuki |
| 5 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Ford, Hyundai, Kia, Nissan, Saturn |
| 5 | P0336 | Crankshaft Position Sensor Performance | Buick, Ford, Hyundai, Oldsmobile, Pontiac |
| 5 | P0400 | EGR System Recirculation Flow | Geo, Jeep, Mazda, Nissan, Subaru |
| 5 | P0505 | Idle Control System Malfunction | Honda, Infiniti, Jeep, Nissan |
| 4 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Chevrolet, Dodge, Ford, Lincoln |
| 4 | P0455 | EVAP System Large Leak Detected | Audi, Chevrolet, Dodge |
| 4 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet, GMC |
| 3 | P0101 | MAF Sensor Performance | Buick, Isuzu, Volkswagen |
| 3 | P0121 | TP Sensor Performance | Chevrolet, Jaguar, Toyota |
| 3 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Ford, Infiniti, Volvo |
| 3 | P0325 | Knock Sensor Circuit Malfunction | Chevrolet, Mercury, Nissan |
| 3 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | Chevrolet, GMC, Saturn |
| 3 | P0446 | EVAP Vent System Performance | Hyundai, Saturn, Toyota |
| 3 | P0507 | Idle Speed High | Infiniti, Nissan |
| 3 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 3 | U1000 | Class 2 Communication Malfunction | Chevrolet, Oldsmobile |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Chevrolet, Volkswagen |
| 2 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 2 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Infiniti, Mitsubishi |
| 2 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Isuzu, Mini |
| 2 | P0341 | CMP Sensor Performance | Ford, Pontiac |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Isuzu, Lincoln |
| 2 | P0354 | Ignition Coil 4 Control Circuit Malfunction | Isuzu, Lincoln |
| 2 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Dodge, Isuzu |
| 2 | P0403 | EGR Solenoid Control Circuit Malfunction | Nissan |
| 2 | P0410 | Secondary Air System Performance | Cadillac, Chevrolet |
| 2 | P0411 | Secondary AIR System Incorrect Airflow Detected | Cadillac, Volkswagen |
| 2 | P0440 | General EVAP System Failure | Pontiac |
| 2 | P0441 | EVAP Purge System Performance | Audi, Oldsmobile |
| 2 | P0442 | EVAP System Small Leak Detected | Dodge, Pontiac |
| 2 | P0456 | EVAP System Very Small Leak Detected | Chrysler, Mercedes-Benz |
| 2 | P0725 | Engine Speed Sensor Circuit Malfunction | Mazda, Nissan |
| 2 | P1235 | Fuel Pump Control Out-Of-Range | Ford |
| 2 | P1402 | EGR System Malfunction Detected (Open) | Hyundai, Nissan |
| 2 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet, GMC |
| 1 | B0121 | No information | Jaguar |
| 1 | B0790 | Transfer case no neutral input open or short | Chevrolet |
| 1 | B1317 | high batery voltage at module | Ford |
| 1 | B1318 | Low Battery Voltage At Module | Ford |
| 1 | B1350 | Heated Rear Screen Relay Short To Ground - In GEM | Ford |
| 1 | B1499 | Left turn signal fault | Ford |
| 1 | B1681 | PATS Receiver Module Signal Not Received | Ford |
| 1 | C0379 | Front Axle Circuit Malfunction | Chevrolet |
| 1 | P0011 | Intake Camshaft Position System Performance | Nissan |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Audi |
| 1 | P0017 | Crankshaft Position - Exhaust Camshaft Position Correlation | Chevrolet |
| 1 | P0032 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit High Voltage | Cadillac |
| 1 | P0036 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Control Circuit Malfunction | Cadillac |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Nissan |
| 1 | P0071 | Ambient Air Temperature Sensor Performance | Cadillac |
| 1 | P0093 | Fuel System Large Leak Detected | Toyota |
| 1 | P0095 | Engine Stall Detected | Cadillac |
| 1 | P0103 | MAF Sensor Circuit High Frequency | Volkswagen |
| 1 | P0106 | MAP Sensor Performance | Ford |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Dodge |
| 1 | P0115 | Engine Coolant Temperature Sensor Circuit Malfunction | Mitsubishi |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0126 | Insufficient Coolant Temperature For Stable Operation | Dodge |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Subaru |
| 1 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Buick |
| 1 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Mercury |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Plymouth |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Mercury |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Nissan |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Chevrolet |
| 1 | P0178 | Fuel Composition Sensor Low Frequency | Chevrolet |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Chevrolet |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Isuzu |
| 1 | P0204 | Fuel Injector 4 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0205 | Fuel Injector 5 Control Circuit Malfunction | Isuzu |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0232 | Fuel Pump Feedback Circuit High Voltage | Ford |
| 1 | P0261 | Fuel Injector 1 Control Circuit Low Voltage | Volkswagen |
| 1 | P0275 | Cylinder 5 Balance System Malfunction | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Ford |
| 1 | P0307 | Cylinder 7 Misfire Detected | Mercury |
| 1 | P0310 | Cylinder 10 Misfire Detected | Ford |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Oldsmobile |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Lexus |
| 1 | P0343 | CMP Sensor Circuit High Voltage | Saturn |
| 1 | P0344 | Camshaft Position Sensor Signal Intermittent | Dodge |
| 1 | P0404 | EGR Open Position Performance | Dodge |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Volkswagen |
| 1 | P0422 | Catalyst Efficiency Below Normal (Bank 1) | Audi |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0432 | Catalyst Efficiency Below Normal (Bank 2) | Audi |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Hyundai |
| 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 | Chrysler |
| 1 | P0528 | Fan Speed Sensor Circuit - No Signal | Ford |
| 1 | P0541 | Low Voltage At Intake Air Heater Relay 1 | Dodge |
| 1 | P0603 | Control Module Long Term Memory Reset | Ford |
| 1 | P0606 | Control Module Internal Performance | Ford |
| 1 | P0607 | Control Module Performance | Ford |
| 1 | P0704 | Clutch Switch Circuit Malfunction | Mercury |
| 1 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Dodge |
| 1 | P0741 | TCC System - Stuck Off | Nissan |
| 1 | P0742 | TCC System - Stuck On | Nissan |
| 1 | P0743 | Torque Converter Clutch Solenoid Circuit Malfunction | Nissan |
| 1 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | Isuzu |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Mercury |
| 1 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Mercury |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Subaru |
| 1 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Audi |
| 1 | P1138 | Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel Cutoff | Audi |
| 1 | P1140 | Intake Valve Timing Control Position Sensor Circuit Malfunction (Bank 1) | Nissan |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Ford |
| 1 | P1195 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Insufficient Activity | Mazda |
| 1 | P1200 | Fuel Injector Circuit Malfunction | Buick |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1240 | Ignition Angle | Ford |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Ford |
| 1 | P1259 | VTEC System Malfunction (Bank 1) | Acura |
| 1 | P1260 | Immobilizer System Malfunction | Saab |
| 1 | P1282 | Fuel Pump Relay Control Circuit Malfunction | Chrysler |
| 1 | P1294 | Target Idle Speed Not Reached | Ford |
| 1 | P1295 | ETC System Malfunction - Power Management | Isuzu |
| 1 | P1296 | 5-Volt VREF Supply Not Present | Chrysler |
| 1 | P1298 | Electrical Load Detector Circuit High Voltage | Ford |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Isuzu |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Toyota |
| 1 | P1310 | Igniter 3 Circuit Malfunction | Isuzu |
| 1 | P1316 | Spark Plug Detection Module Circuit Malfunction (Bank 2) | Ford |
| 1 | P1326 | ION Sensing Module Combustion Quality | Isuzu |
| 1 | P1385 | Variable Cam Timing Solenoid 'A' Circuit Malfunction (Bank 2) | Ford |
| 1 | P1386 | Knock Sensor Control Zero Test | Ford |
| 1 | P1389 | No Auto Shutdown Relay Output Voltage To PCM | Jeep |
| 1 | P1399 | Misfire any cylinder | Acura |
| 1 | P1404 | EGR Valve Closed Position Performance | Mercedes-Benz |
| 1 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1470 | boost pressure solinoid open or shortedto ground | Mercedes-Benz |
| 1 | P1476 | High Fan Relay Control Circuit Malfunction | Volkswagen |
| 1 | P1481 | Cooling Fan Speed Sensor Circuit Malfunction | Mercedes-Benz |
| 1 | P1495 | Leak Detection Pump Solenoid Circuit Malfunction | Chrysler |
| 1 | P1503 | Cruise Control Switch Circuit Malfunction | Porsche |
| 1 | P1505 | Idle Air Control System at Adaptive Clip | Porsche |
| 1 | P1518 | Throttle Actuator Control Module Serial Data Malfunction | GMC |
| 1 | P1526 | Minimum Throttle Position Not Learned | Cadillac |
| 1 | P1559 | Motor Commutation Sensor 1 Circuit Low Voltage | Volkswagen |
| 1 | P1565 | Speed Control Command Switch Out-Of-Range High | Volkswagen |
| 1 | P1602 | Powertrain Control Module Not Programmed | Cadillac |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Cadillac |
| 1 | P1605 | Diagnostic Communication Line Malfunction | Nissan |
| 1 | P1611 | NATS ID DISCORD, IMM-PCM | Volkswagen |
| 1 | P1615 | NATS DIFFERENCE OF KEY | Mercedes-Benz |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Cadillac |
| 1 | P1630 | Theft Deterrent Learn Mode Active | Mercedes-Benz |
| 1 | P1633 | Ignition Supplement Power '0' Switch Circuit Malfunction | Jaguar |
| 1 | P1640 | Output Driver 1 Circuit Malfunction | Oldsmobile |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Oldsmobile |
| 1 | P1687 | No Communication With MIC | Plymouth |
| 1 | P1694 | No Communication With PCM | Dodge |
| 1 | P1709 | Pressure Control Solenoid 'E' Circuit Malfunction (Allison 1000) | Mercury |
| 1 | P2036 | Oxygen Sensor Circuit Calibration Value Too High Or Too Low | Mercedes-Benz |
| 1 | P2038 | Oxygen Sensor Resistance Too High / Too Low | Mercedes-Benz |
| 1 | P2125 | Accelerator Pedal Position Sensor 2 Circuit Malfunction | Kia |
| 1 | P2261 | Supercharger Bypass Valve Stuck | Ford |
| 1 | P2269 | Water In Fuel | Ford |
| 1 | P2401 | EVAP Leak Detection Pump Control Circuit Low | Volkswagen |
| 1 | P2614 | Camshaft Position Output Circuit Malfunction | Ford |
| 1 | U1016 | Serial Communications Malfunction | Oldsmobile |
| 1 | U1900 | CAN System Communication Error | Ford |
