× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

Diagnostic Trouble Code Index for May 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
17P0300Multiple Cylinder Misfire DetectedAcura, Audi, Cadillac, Chevrolet, Dodge, Isuzu, Mercedes-Benz, Mitsubishi, Plymouth, Saturn, Suzuki, Toyota
16P0171Fuel System Lean (Bank 1)Dodge, Ford, Lexus, Mercedes-Benz, Nissan, Subaru, Toyota, Volkswagen
9P0304Cylinder 4 Misfire DetectedAudi, Dodge, Ford, Honda, Mercedes-Benz, Toyota
7P0174Fuel System Lean (Bank 2)Ford, Nissan
7P0301Cylinder 1 Misfire DetectedAudi, Geo, Mercedes-Benz, Pontiac, Subaru, Toyota
6P0401Insufficient EGR Flow DetectedAcura, Buick, Dodge, Oldsmobile, Toyota
5P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow ResponseAcura, Dodge, Ford, Volvo
5P0340Camshaft Position Sensor Circuit MalfunctionDodge, Ford, Suzuki, Toyota
4P0140Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient ActivityNissan, Pontiac, Saturn, Volvo
4P0302Cylinder 2 Misfire DetectedChrysler, Ford, Mercedes-Benz
4P0306Cylinder 6 Misfire DetectedBuick, Dodge, Honda, Plymouth
4P0455EVAP System Large Leak DetectedBMW, Dodge, Volkswagen, Volvo
3P0121TP Sensor PerformanceJeep, Volkswagen, Volvo
3P0122TP Sensor Circuit Low VoltageBuick, Chevrolet
3P0172Fuel System Rich (Bank 1)Acura, Chevrolet, Ford
3P0175Fuel System Rich (Bank 2)BMW, Ford, Mercury
3P0303Cylinder 3 Misfire DetectedFord, Mercedes-Benz
3P0420Catalyst Efficiency Below Normal (Bank 1)Ford, Jaguar
3P0442EVAP System Small Leak DetectedChrysler, Ford, Plymouth
2P0107MAP Sensor Circuit Low VoltageBuick, Chevrolet
2P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High VoltageAcura, Jeep
2P0134Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient ActivityPontiac, Volvo
2P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit MalfunctionSubaru, Volvo
2P0173Fuel Trim Lean Or Rich (Bank 2)Mercedes-Benz
2P0320No Crank Reference Signal To PCMFord, Volkswagen
2P0325Knock Sensor Circuit MalfunctionHonda, Oldsmobile
2P0335Crankshaft Position Sensor Circuit MalfunctionHyundai, Toyota
2P0336Crankshaft Position Sensor PerformanceChevrolet, Hyundai
2P0341CMP Sensor PerformanceBuick
2P0351Ignition Coil 1 Control Circuit MalfunctionDodge
2P0400EGR System Recirculation FlowMazda, Mercedes-Benz
2P0402Excessive EGR Flow DetectedFord, Infiniti
2P0411Secondary AIR System Incorrect Airflow DetectedMercedes-Benz, Volkswagen
2P0430Catalyst System Low Efficiency (Bank 2)Ford, GMC
2P0443EVAP Purge Solenoid Control Circuit MalfunctionJeep, Lincoln
2P0500Vehicle Speed Sensor Circuit MalfunctionFord
2P0502VSS Circuit Low InputChevrolet, Saab
2P0706Transmission Range Switch Circuit MalfunctionIsuzu, Pontiac
2P1131Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too LeanFord
2P1491EVAP Vacuum Cut Valve/Bypass Circuit MalfunctionHonda, Jeep
2P16355-Volt Reference 1 Circuit MalfunctionBuick, Chevrolet
1P0016Crankshaft/Camshaft Timing MisalignmentDodge
1P0101MAF Sensor PerformanceOldsmobile
1P0102MAF Sensor Circuit Low FrequencyBuick
1P0118ECT Sensor Circuit High VoltageAudi
1P0120TP Sensor 1 Signal Circuit MalfunctionNissan
1P0125Engine Coolant Temperature Insufficient For Closed Loop Fuel ControlFord
1P0136Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit MalfunctionToyota
1P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low VoltageVolvo
1P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High VoltageChevrolet
1P0153Heated Oxygen Sensor (Bank 2 Sensor 1) Slow ResponseFord
1P0170Fuel Trim Lean Or Rich (Bank 1)Mercedes-Benz
1P0207Fuel Injector 7 Control Circuit MalfunctionCadillac
1P0232Fuel Pump Feedback Circuit High VoltageFord
1P0236Turbocharger Boost System PerformanceChevrolet
1P0305Cylinder 5 Misfire DetectedHonda
1P0322Crankshaft Position Sensor Circuit No SignalCadillac
1P0337CKP Sensor Circuit Low Duty CycleIsuzu
1P0352Ignition Coil 2 Control Circuit MalfunctionDodge
1P0353Ignition Coil 3 Control Circuit MalfunctionDodge
1P0421Warmup Catalyst Efficiency Low (Bank 1)Audi
1P0441EVAP Purge System PerformanceToyota
1P0446EVAP Vent System PerformanceBuick
1P0452Fuel Tank Pressure Sensor Circuit Low VoltageBuick
1P0460Fuel Level Sensing Unit No Change Over MilesFord
1P0491Secondary AIR System Insufficient Flow Detected (Bank 1)BMW
1P0492Secondary air flow bank 2BMW
1P0503VSS Circuit IntermittentFord
1P0505Idle Control System MalfunctionMitsubishi
1P0551Power Steering Pressure Switch Circuit MalfunctionDodge
1P0601Control Module Read Only MemoryChrysler
1P0645A/C Clutch Relay Circuit MalfunctionJeep
1P0650Malfunction Indicator Lamp Circuit MalfunctionPontiac
1P0748Pressure Control Solenoid Circuit MalfunctionHyundai
1P07531-2 Shift Solenoid Circuit MalfunctionChevrolet
1P07582-3 Shift Solenoid Circuit MalfunctionChevrolet
1P1041security codeSorry codes were cleared before wrote down.Chevrolet
1P1107MAP Sensor Circuit Intermittent Low VoltageBuick
1P1122TP Sensor Circuit Intermittent Low VoltageBuick
1P1132Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too RichVolvo
1P1137Heated Oxygen Sensor (Bank 1 Sensor 2) Low Voltage In Power EnrichmentFord
1P1151Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too LeanFord
1P1171Fuel System Lean During AccelerationIsuzu
1P1204Cylinder 4 Misfire DetectedAcura
1P1205Cylinder 5 Misfire DetectedAcura
1P1206Cylinder 6 Misfire DetectedAcura
1P1211ABS/TCS Control Unit MalfunctionFord
1P1218Injection Pump Calibration Circuit MalfunctionFord
1P1250Pressure Regulator Control Solenoid Circuit MalfunctionBMW
1P1259VTEC System Malfunction (Bank 1)Honda
1P1260Immobilizer System MalfunctionFord
1P1309Misfire Detection MonitorFord
1P1320Igniter 5 Circuit MalfunctionCadillac
1P1345Camshaft To Crankshaft Position CorrelationChevrolet
1P1351ICM Ignition Control Circuit High VoltageFord
1P1352Ignition Bypass Circuit High VoltagePontiac
1P1358IDM Signals Out Of Self-Test RangeFord
1P1361ICM Ignition Control Circuit Low VoltageHonda
1P1399Misfire any cylinderHonda
1P1400Cold Start Emission Reduction Control SystemMitsubishi
1P1401EGR Temperature Sensor Circuit MalfunctionFord
1P1406EGR Valve Pintle Position Circuit MalfunctionChevrolet
1P1408EGR Flow Out Of Self-Test RangeFord
1P1411Cylinder 1 Reactivation Control PerformanceAudi
1P1423Fuel Tank Large LeakAudi
1P1447EVAP Control System Purge Flow MalfunctionLand Rover
1P1476High Fan Relay Control Circuit MalfunctionVolkswagen
1P1494EVAP Leak Detection Pump Switch Or Mechanical FaultPlymouth
1P1495Leak Detection Pump Solenoid Circuit MalfunctionDodge
1P1506Idle Air Control System RPM Higher Than ExpectedFord
1P1516TAC Module Throttle Actuator Position PerformanceFord
1P1519Idle Air Control Valve Circuit MalfunctionFord
1P1524Brake Booster Pressure Sensor Range/PerformanceCadillac
1P1544Exhaust Gas Temperature Too HighVolkswagen
1P1568Battery Cell Temperature Signal Circuit ProblemPontiac
1P1599A/C Pressure Sensor Circuit Low VoltagePontiac
1P1609Knock Sensor Integrated Circuit MalfunctionVolvo
1P1626Theft Deterrent Fuel Enable Signal LostChevrolet
1P1631Theft Deterrent Fuel Enable Signal Not CorrectChevrolet
1P1637Generator 'L' Terminal Circuit MalfunctionPontiac
1P1652Cooling Fan 2 Relay Control Circuit MalfunctionVolvo
1P1653EGR Vent Solenoid Control Circuit MalfunctionPontiac
1P1673Engine Hot Lamp Control Circuit MalfunctionPontiac
1P1705Throttle Position Sensor Circuit MalfunctionNissan
1P1780Park/Neutral Position Switch Circuit MalfunctionFord
1P1870Transmission Component SlippingChevrolet
1P300Brandom misfireChevrolet
1U1016Serial Communications MalfunctionChevrolet