Join Now
International Automotive Technicians Network

Diagnostic Trouble Code Index for April 2009


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
44P0300Multiple Cylinder Misfire DetectedAcura, Audi, Cadillac, Chevrolet, Chrysler, Dodge, Ford, Honda, Infiniti, Kia, Lexus, Mazda, Mercedes-Benz, Nissan, Oldsmobile, Plymouth, Pontiac, Toyota, Volkswagen, Volvo
25P0171Fuel System Lean (Bank 1)Audi, BMW, Chevrolet, Dodge, Ford, Infiniti, Jaguar, Lexus, Lincoln, Mercury, Oldsmobile, Toyota, Volkswagen
16P0340Camshaft Position Sensor Circuit MalfunctionChevrolet, Chrysler, Dodge, Ford, GMC, Jaguar, Mercury, Nissan
14P0174Fuel System Lean (Bank 2)BMW, Chevrolet, Ford, Infiniti, Lincoln, Toyota
14P0304Cylinder 4 Misfire DetectedAcura, Chevrolet, Dodge, Ford, Honda, Kia, Mazda, Mercedes-Benz, Volkswagen
12P0301Cylinder 1 Misfire DetectedAcura, Cadillac, Chevrolet, Chrysler, Ford, Honda, Hummer, Kia, Mazda, Mercedes-Benz, Toyota
11P0302Cylinder 2 Misfire DetectedAcura, Ford, GMC, Honda, Kia, Mazda, Mercedes-Benz, Subaru, Volkswagen, Volvo
11P0303Cylinder 3 Misfire DetectedAudi, Cadillac, Chrysler, Ford, Infiniti, Mazda, Mercedes-Benz, Subaru, Volvo
10P0420Catalyst Efficiency Below Normal (Bank 1)Chevrolet, Ford, GMC, Nissan, Subaru, Toyota, Volkswagen
8P0305Cylinder 5 Misfire DetectedAcura, Cadillac, Dodge, Ford, Mercedes-Benz, Volvo
7P0306Cylinder 6 Misfire DetectedAudi, Ford, Isuzu, Jaguar, Mercedes-Benz, Plymouth
6P0335Crankshaft Position Sensor Circuit MalfunctionChevrolet, Hyundai, Nissan
5P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit MalfunctionBMW, Cadillac, Chevrolet, Ford
4P0021Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)Ford, Volkswagen
4P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit MalfunctionFord, Pontiac, Toyota
4P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low VoltageChevrolet, Ford
4P0172Fuel System Rich (Bank 1)Chrysler, Ford, Infiniti, Volvo
4P0261Fuel Injector 1 Control Circuit Low VoltageFord
4P0316Misfire Occurred In First 1,000 RevolutionsFord
4P0325Knock Sensor Circuit MalfunctionLexus, Mercury, Nissan
4P0341CMP Sensor PerformanceChevrolet, Dodge, Honda, Saturn
4P0351Ignition Coil 1 Control Circuit MalfunctionDodge, Ford, Mercury
4P0441EVAP Purge System PerformanceChrysler, Lexus, Toyota
4P0455EVAP System Large Leak DetectedDodge, Ford, Mini, Volkswagen
4P0507Idle Speed HighAudi, Chevrolet, Honda
4P1320Igniter 5 Circuit MalfunctionLexus, Mercury
3P0011Intake Camshaft Position System PerformanceFord
3P0102MAF Sensor Circuit Low FrequencyAudi, Chevrolet, Pontiac
3P0153Heated Oxygen Sensor (Bank 2 Sensor 1) Slow ResponseAudi, Ford
3P0191Fuel Rail Pressure Sensor PerformanceDodge, Ford
3P0410Secondary Air System PerformanceChevrolet, Oldsmobile, Saturn
3P0430Catalyst System Low Efficiency (Bank 2)Chevrolet, Ford, Nissan
3P0442EVAP System Small Leak DetectedDodge, Saturn
3P0443EVAP Purge Solenoid Control Circuit MalfunctionChevrolet, Ford, Jeep
3P0456EVAP System Very Small Leak DetectedChrysler, Mini, Volvo
3P0491Secondary AIR System Insufficient Flow Detected (Bank 1)BMW, Dodge
3P0500Vehicle Speed Sensor Circuit MalfunctionFord, Infiniti, Toyota
3P0505Idle Control System MalfunctionHonda, Mitsubishi, Nissan
3P1300Igniter 1 Circuit MalfunctionLexus
3P1305Igniter 2 Circuit MalfunctionLexus, Toyota
3P1315Igniter 4 Circuit MalfunctionLexus
3P1349Variable Valve Timing System (Bank 1)Toyota
3P1391CKP Or CMP Sensor Signal IntermittentChrysler, Dodge
3P2004Intake Manifold Runner Control Stuck OpenFord, Mercedes-Benz
2P0016Crankshaft/Camshaft Timing MisalignmentChevrolet, Chrysler
2P0123TP Sensor Circuit High VoltageDodge, Volvo
2P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low VoltageChevrolet
2P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow ResponseBuick, Chevrolet
2P0138Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High VoltageDodge, Volkswagen
2P0270Fuel Injector 4 Control Circuit Low VoltageFord
2P0276Fuel Injector 6 Control Circuit Low VoltageFord
2P0328Knock Sensor Circuit High Voltage (Bank 1)Nissan, Toyota
2P0345Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2)Ford
2P0355Ignition Coil 5 Control Circuit MalfunctionFord
2P0380Glow Plug Feedback CircuitChevrolet, Mercedes-Benz
2P0400EGR System Recirculation FlowMazda, Suzuki
2P0401Insufficient EGR Flow DetectedFord, Lexus
2P0402Excessive EGR Flow DetectedMercedes-Benz, Nissan
2P0403EGR Solenoid Control Circuit MalfunctionChrysler, Ford
2P0606Control Module Internal PerformanceDodge, Ford
2P061BInternal Control Module Torque Calculation PerformanceFord
2P1111IAT Sensor Circuit Intermittent High VoltageAudi, Infiniti
2P1131Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too LeanFord, Mazda
2P1212ABS/TCS Control Unit MalfunctionFord
2P1310Igniter 3 Circuit MalfunctionLexus
2P1325Igniter 6 Circuit MalfunctionLexus
2P1383Variable Cam Timing Over-Retarded (Cylinder Bank 1)Jaguar, Land Rover
2P1544Exhaust Gas Temperature Too HighSubaru, Volkswagen
2P1565Speed Control Command Switch Out-Of-Range HighVolkswagen
2P1626Theft Deterrent Fuel Enable Signal LostChevrolet, Ford
2P2104ETC System Malfunction - Forced IdleFord
2P2111Electronic Throttle Control - Unable To CloseFord
2P2112Electronic Throttle Control - Unable To OpenFord
2P2181Cooling System PerformanceVolkswagen
2U0100Lost Communication With ECM/PCMFord, Mazda
2U1000Class 2 Communication MalfunctionGMC, Pontiac
1B1001option configuration errorSaturn
1B1306LVL SWT ckt openFord
1B1361Ign. run/acc ckt short -BFord
1B1365Ign. start ckt short - BFord
1B2960Security system sensor data incorrect but validChevrolet
1B2965key in ignition faultChevrolet
1C0236rear wheel speed sensor circuitGMC
1C0237rear wheel speed sensor circuit faultGMC
1C0267pump motor circuit relayGMC
1P0012Camshaft Position 'A' Over-Retarded (Bank 1)Ford
1P0014Exhaust Camshaft Position System PerformanceChevrolet
1P0018Crankshaft Position - Intake Camshaft Position Correlation (Bank 2)Volkswagen
1P0020Camshaft Position 'A' Actuator Circuit Malfunction (Bank 2)Ford
1P0022Camshaft Position 'A' Timing Over-Retarded (Bank 2)Ford
1P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit MalfunctionAudi
1P0037Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low VoltageVolkswagen
1P0060Heated Oxygen Sensor (Bank 2 Sensor 2) Heater ResistanceFord
1P0093Fuel System Large Leak DetectedChevrolet
1P0100Mass Airflow Sensor Circuit MalfunctionNissan
1P0101MAF Sensor PerformanceChevrolet
1P0103MAF Sensor Circuit High FrequencyVolkswagen
1P0106MAP Sensor PerformanceVolkswagen
1P0107MAP Sensor Circuit Low VoltageDodge
1P0108MAP Sensor Circuit High VoltageLincoln
1P0113IAT Sensor Circuit High VoltageDodge
1P0118ECT Sensor Circuit High VoltageFord
1P0120TP Sensor 1 Signal Circuit MalfunctionVolvo
1P0121TP Sensor PerformanceDodge
1P0128Engine Coolant Temperature Below Thermostat Regulating TemperatureGMC
1P0130Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit MalfunctionSubaru
1P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow ResponseVolkswagen
1P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit MalfunctionVolkswagen
1P0152Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High VoltageDodge
1P0160Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient ActivityChevrolet
1P0170Fuel Trim Lean Or Rich (Bank 1)Toyota
1P0175Fuel System Rich (Bank 2)Dodge
1P0193Fuel Rail Pressure Sensor Circuit High VoltageFord
1P0218Transmission Fluid Over-TemperatureIsuzu
1P0221Throttle Position Sensor 2 PerformanceNissan
1P0236Turbocharger Boost System PerformanceVolvo
1P0237Turbocharger Boost Sensor Circuit Low VoltageVolvo
1P0264Fuel Injector 2 Control Circuit Low VoltageFord
1P0267Fuel Injector 3 Control Circuit Low VoltageFord
1P0272Cylinder 4 Balance System MalfunctionFord
1P0273Fuel Injector 5 Control Circuit Low VoltageFord
1P0279Cylinder 7 Injector Circuit LowFord
1P0307Cylinder 7 Misfire DetectedDodge
1P0313Misfire Detected With Low FuelBMW
1P0315Crankshaft Position Sensor Variation Not LearnedChevrolet
1P0321Crankshaft Position Sensor Circuit Range/PerformanceChevrolet
1P0327Knock Sensor Circuit Low Voltage (Bank 1)Toyota
1P0330Knock Sensor 2 Circuit MalfunctionLexus
1P0332Knock Sensor Circuit Low Frequency (Bank 2)Chevrolet
1P0336Crankshaft Position Sensor PerformanceBuick
1P0342CMP Sensor Circuit Low VoltageChrysler
1P0353Ignition Coil 3 Control Circuit MalfunctionFord
1P0354Ignition Coil 4 Control Circuit MalfunctionFord
1P0356Ignition Coil 6 Control Circuit MalfunctionChevrolet
1P0388Crankshaft Position Sensor Supply Voltage Too HighDodge
1P0395cylinder 5 missfire detectedFord
1P0404EGR Open Position PerformanceFord
1P0411Secondary AIR System Incorrect Airflow DetectedAudi
1P0431Warmup Catalyst Efficiency Low (Bank 2)Audi
1P0440General EVAP System FailureChrysler
1P0446EVAP Vent System PerformanceToyota
1P0447EVAP Canister Vent Control Valve OpenJaguar
1P0450EVAP Vapor Pressure Sensor Circuit MalfunctionToyota
1P0451Fuel Tank Pressure Sensor PerformanceFord
1P0452Fuel Tank Pressure Sensor Circuit Low VoltageGMC
1P0453Fuel Tank Pressure Sensor Circuit High VoltageSaturn
1P0460Fuel Level Sensing Unit No Change Over MilesKia
1P0487EGR Airflow Throttle Control Circuit 'A' OpenFord
1P0492Secondary air flow bank 2BMW
1P0502VSS Circuit Low InputGMC
1P0506Idle Speed LowChevrolet
1P0533A/C Refrigerant Pressure Sensor Circuit High VoltageSaturn
1P0550Power Steering Pressure Sensor Circuit MalfunctionChevrolet
1P0563System Voltage Too HighDodge
1P0601Control Module Read Only MemoryDodge
1P0671Glow Plug No. 1 Control Circuit MalfunctionFord
1P0706Transmission Range Switch Circuit MalfunctionBuick
1P0731Gear Ratio Error In FirstInfiniti
1P0732Gear Ratio Error In SecondInfiniti
1P0733Gear Ratio Error In ThirdInfiniti
1P0740TCC Solenoid Circuit MalfunctionFord
1P1000OBD II Monitor Testing No CompletedFord
1P1028Fuel Injector 8 Circuit MalfunctionBMW
1P1100Starter Switch Circuit Low InputFord
1P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient SwitchingIsuzu
1P1136Intake Valve Timing Control Circuit Malfunction (Bank 2)Audi
1P115ALow Fuel Level - Forced Limited PowerFord
1P1189Engine Oil Pressure Switch Circuit MalfunctionPontiac
1P1195Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Insufficient ActivityMazda
1P1200Fuel Injector Circuit MalfunctionFerrari
1P1211ABS/TCS Control Unit MalfunctionFord
1P1216Fuel Solenoid Response Time Too ShortChevrolet
1P1233Fuel System Disabled Or OfflineFord
1P1259VTEC System Malfunction (Bank 1)Honda
1P1283Air Fuel Sensor (Bank 2 Sensor 1) Lean Shift MonitoringSaturn
1P12965-Volt VREF Supply Not PresentVolkswagen
1P1297No Change In MAP Signal From Start To Run TransitionAudi
1P1298Electrical Load Detector Circuit High VoltageFord
1P1309Misfire Detection MonitorMercury
1P1336CKP Sensor System Variation Not LearnedNissan
1P1338Bank 1 cam position sensor shortVolkswagen
1P1345Camshaft To Crankshaft Position CorrelationMazda
1P1361ICM Ignition Control Circuit Low VoltageBuick
1P1362ICM Control Circuit High VoltageBuick
1P1372PCM Segment Time Acquisition IncorrectHyundai
1P1379System Voltage Out Of Self-Test RangeFord
1P1388Auto Shutdown Relay Control Circuit MalfunctionJaguar
1P1402EGR System Malfunction Detected (Open)Mazda
1P1404EGR Valve Closed Position PerformanceIsuzu
1P1409EGR Vacuum Regulator Solenoid Circuit MalfunctionMazda
1P1416Secondary Air Injection System (Bank 2)Pontiac
1P1426Manufacturer Auxiliary Emission ControlVolkswagen
1P1441EVAP System Flow During Non-Purge ConditionsChevrolet
1P1469Low A/C Cycling PeriodLincoln
1P1476High Fan Relay Control Circuit MalfunctionVolkswagen
1P1479High Fan Control / Fan Control 3 Primary Circuit MalfunctionAudi
1P1494EVAP Leak Detection Pump Switch Or Mechanical FaultChrysler
1P1518Throttle Actuator Control Module Serial Data MalfunctionChevrolet
1P1580Battery Current Sensor Circuit MalfunctionVolkswagen
1P1582Electronic Throttle Monitor Data AvailableVolkswagen
1P1602Powertrain Control Module Not ProgrammedAudi
1P1638Generator 'F' Terminal Circuit MalfunctionGMC
1P1656Wastegate Solenoid Control Circuit MalfunctionToyota
1P1686No SKIM Bus Messages ReceivedDodge
1P1689Traction Control Delivered Torque Output Circuit MalfunctionDodge
1P1695No CCD Messages Received From BCMChrysler
1P1780Park/Neutral Position Switch Circuit MalfunctionToyota
1P2013Intake Manifold Runner Control Circuit High (Bank 2)Mercedes-Benz
1P2029Intake Air Temperature Sensor PerformanceMercedes-Benz
1P202CCommunication ErrorMercedes-Benz
1P2053Misfire 3Mercedes-Benz
1P2054Engine Coolant Temperature Sensor Circuit Signal Voltage Too Low Mercedes-Benz
1P2056Misfire 3Mercedes-Benz
1P2074Manifold Pressure/Throttle Position Correlation - High Flow/Vacuum LeakChrysler
1P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)Subaru
1P2135Throttle Position Sensor 1-2 Correlation ErrorFord
1P2138Accelerator Pedal Position Sensor 1-2 Correlation ErrorCadillac
1P2176Minimum Throttle Position Not LearnedHonda
1P2188Fuel Trim System Rich At Idle (Bank 1)Cadillac
1P2190Fuel Trim System Rich At Idle (Bank 2)Cadillac
1P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck RichFord
1P2291Injector Control Pressure Too Low - Engine CrankingFord
1P2401EVAP Leak Detection Pump Control Circuit LowHyundai
1P2419EVAP Switching Valve Control Circuit LowHyundai
1P2544Transmission Torque Request Circuit MalfunctionFord
1P5286Fan VDF HarnessFord
1U0121Lost Communication With Antilock Brake System ModuleMazda
1U0155No Cluster Bus MessageFord
1U1009First letter in code U. SCP inval/miss eng.torq. dataFord
1U1016Serial Communications MalfunctionGMC
1U1059in abs comp-scp tranny data missing/invalidFord
1U1262Data Circuit MalfunctionFord
1U1900CAN System Communication ErrorMazda
1U1950vsmFord
1U2226vsmFord
1U3E22unknownLand Rover