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International Automotive Technicians Network

Diagnostic Trouble Code Index for October 2012

Note: This is a professional automotive technician's resource.
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Diagnostic Trouble Codes (DTC)
Count Trouble Code Sample Definition Manufacturers
25P0300Multiple Cylinder Misfire DetectedAudi, Buick, Chevrolet, Dodge, Ford, GMC, Jeep, Mazda, Nissan, Pontiac, Volkswagen
14P0171Fuel System Lean (Bank 1)Chevrolet, Chrysler, Ford, Mercury, Pontiac, Volkswagen
7P0172Fuel System Rich (Bank 1)Chrysler, Ford, GMC, Pontiac, Suzuki, Volvo
7P0303Cylinder 3 Misfire DetectedChevrolet, Chrysler, Honda, Jeep, Volkswagen
6P0340Camshaft Position Sensor Circuit MalfunctionFord, Hyundai, Kia, Toyota
5P0174Fuel System Lean (Bank 2)Chevrolet, Ford
5P0301Cylinder 1 Misfire DetectedInfiniti, Jeep, Land Rover, Mazda, Volkswagen
5P0302Cylinder 2 Misfire DetectedDodge, Jeep, Volkswagen
4P0101MAF Sensor PerformanceChevrolet, Kia, Other GM
4P0304Cylinder 4 Misfire DetectedDodge, Ford, Jeep, Volkswagen
4P0305Cylinder 5 Misfire DetectedFord, Jeep, Volkswagen
4P0404EGR Open Position PerformanceChevrolet, Honda
3P0121TP Sensor PerformanceChevrolet, Other European, Scion
3P0122TP Sensor Circuit Low VoltageChevrolet, Ford, Other European
3P0175Fuel System Rich (Bank 2)Chrysler, Ford, GMC
3P0335Crankshaft Position Sensor Circuit MalfunctionChevrolet, Hyundai, Nissan
3P0420Catalyst Efficiency Below Normal (Bank 1)Toyota
3P0456EVAP System Very Small Leak DetectedFord, Mercury, Toyota
3P0507Idle Speed HighChevrolet, Infiniti, Saturn
3P1516TAC Module Throttle Actuator Position PerformanceCadillac, Chevrolet
2P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit MalfunctionFord, Mercury
2P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit MalfunctionFord, Land Rover
2P0161Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit MalfunctionCadillac, Suzuki
2P0216Injection Timing Control Circuit MalfunctionDodge, Volkswagen
2P0275Cylinder 5 Balance System MalfunctionFord
2P0306Cylinder 6 Misfire DetectedChrysler, Dodge
2P0341CMP Sensor PerformanceDodge, Volkswagen
2P0351Ignition Coil 1 Control Circuit MalfunctionJeep, Mercury
2P0354Ignition Coil 4 Control Circuit MalfunctionFord, Mercury
2P0402Excessive EGR Flow DetectedFord, Toyota
2P0442EVAP System Small Leak DetectedChrysler, Toyota
2P1121TP Sensor Circuit Intermittent High VoltageFord
2P1174Fuel Trim Cylinder BalanceChevrolet
2P1545Air Conditioning Clutch Relay Control Circuit MalfunctionAudi
2P2110Electronic Throttle Control - Forced Limited RPMHyundai, Suzuki
2P2127Accelerator Pedal Position Sensor 2 Circuit Low VoltageHyundai, Nissan
2P2290Injector Control Pressure Too LowFord
2U0107Throttle Actuator Control Serial Data Circuit MalfunctionCadillac, Isuzu
1B0103Electronic front end sensor 2 performanceChevrolet
1B1503Turn signal right failureLincoln
1B2477Null.do not know what it means.Ford
1B2799Engine Immobilizer System MalfunctionToyota
1B2958Security system sensor data circuit highChevrolet
1B2960Security system sensor data incorrect but validChevrolet
1B2964Key in Ignition Circuit HighChevrolet
1B3128Driver door unlock output short to batteryChevrolet
1C0240EBCM fault/PCM indicates TCS faultPontiac
1C1025can communication with engine control module is faultyMercedes-Benz
1P0010Camshaft Position 'A' Actuator Circuit Malfunction (Bank 1)Volkswagen
1P0011Intake Camshaft Position System PerformanceHyundai
1P0012Camshaft Position 'A' Over-Retarded (Bank 1)Ford
1P0014Exhaust Camshaft Position System PerformanceChevrolet
1P0017Crankshaft Position - Exhaust Camshaft Position CorrelationGMC
1P0021Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)Hyundai
1P0022Camshaft Position 'A' Timing Over-Retarded (Bank 2)Ford
1P0028Intake Valve Solenoid Circuit Range/Performance (Bank 2)Subaru
1P0030Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit MalfunctionVolkswagen
1P0089Fuel Pressure Regulator PerformanceSaab
1P0096Intake Air Temperature Sensor 2 PerformanceMercedes-Benz
1P0102MAF Sensor Circuit Low FrequencyCadillac
1P0103MAF Sensor Circuit High FrequencyMercedes-Benz
1P0104Mass Airflow Sensor Circuit IntermittentMercedes-Benz
1P0106MAP Sensor PerformanceChevrolet
1P0107MAP Sensor Circuit Low VoltageSaturn
1P0110Intake Air Temperature Sensor Circuit MalfunctionVolkswagen
1P0123TP Sensor Circuit High VoltageOther European
1P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High VoltageDodge
1P0134Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient ActivityLand Rover
1P0137Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low VoltageOldsmobile
1P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit MalfunctionChevrolet
1P0160Heated Oxygen Sensor (Bank 2 Sensor 2) Insufficient ActivityCadillac
1P0176Loss Of Flexible Fuel Calibration SignalSuzuki
1P0179Fuel Composition Sensor High FrequencyChevrolet
1P0181Fuel Tank Temperature Sensor Range/PerformanceVolvo
1P0203Fuel Injector 3 Control Circuit MalfunctionChrysler
1P0277Fuel Injector 6 Control Circuit High VoltageFord
1P0278Cylinder 6 Balance System MalfunctionFord
1P0299Turbocharger Engine UnderboostChevrolet
1P0320No Crank Reference Signal To PCMDodge
1P0328Knock Sensor Circuit High Voltage (Bank 1)Nissan
1P0345Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2)Ford
1P0352Ignition Coil 2 Control Circuit MalfunctionMercury
1P0353Ignition Coil 3 Control Circuit MalfunctionFord
1P0401Insufficient EGR Flow DetectedFord
1P0411Secondary AIR System Incorrect Airflow DetectedVolkswagen
1P0421Warmup Catalyst Efficiency Low (Bank 1)Volkswagen
1P0430Catalyst System Low Efficiency (Bank 2)GMC
1P0431Warmup Catalyst Efficiency Low (Bank 2)Volkswagen
1P0440General EVAP System FailureChevrolet
1P0448EVAP Canister Vent Control Valve ClosedSubaru
1P0449EVAP Vent Solenoid Control Circuit MalfunctionHyundai
1P0451Fuel Tank Pressure Sensor PerformanceMercury
1P0453Fuel Tank Pressure Sensor Circuit High VoltageSubaru
1P0455EVAP System Large Leak DetectedSaturn
1P0480Cooling Fan Relay 1 Control Circuit MalfunctionFord
1P0491Secondary AIR System Insufficient Flow Detected (Bank 1)Audi
1P0492Secondary air flow bank 2Audi
1P0500Vehicle Speed Sensor Circuit MalfunctionLexus
1P0506Idle Speed LowSaturn
1P0509Idle Air Control Motor Sense Circuit High VoltageSaturn
1P0601Control Module Read Only MemoryDodge
1P0607Control Module PerformancePontiac
1P0608Vehicle Speed Output Circuit MalfunctionCadillac
1P0611Fuel Injector Control Module PerformanceFord
1P0638Throttle Actuator Control Command PerformanceSaab
1P0675Glow Plug No. 5 Control Circuit MalfunctionChevrolet
1P0706Transmission Range Switch Circuit MalfunctionSaturn
1P0746Pressure Control Solenoid Valve 'A' Stuck OffMercedes-Benz
1P0750Low/Reverse Solenoid Circuit MalfunctionMercedes-Benz
1P0851Park Neutral Position Switch Circuit Low VoltageSubaru
1P1122TP Sensor Circuit Intermittent Low VoltageChevrolet
1P1126Magnetic Clutch Circuit MalfunctionToyota
1P1131Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too LeanFord
1P1132Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too RichFord
1P1138Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel CutoffFord
1P1151Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too LeanFord
1P1152Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low)Ford
1P1158Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low VoltageFord
1P1176Electronic Throttle System Motor No. 1 Open or ShortedVolkswagen
1P1189Engine Oil Pressure Switch Circuit MalfunctionBuick
1P1260Immobilizer System MalfunctionFord
1P1271Air Fuel Sensor (Bank 1 Sensor 1) Circuit No ActivityChevrolet
1P1320Igniter 5 Circuit MalfunctionNissan
1P1338Bank 1 cam position sensor shortAudi
1P1345Camshaft To Crankshaft Position CorrelationGMC
1P1349Variable Valve Timing System (Bank 1)Toyota
1P1383Variable Cam Timing Over-Retarded (Cylinder Bank 1)Jaguar
1P1389No Auto Shutdown Relay Output Voltage To PCMJeep
1P1401EGR Temperature Sensor Circuit MalfunctionKia
1P1419Seconday mass air flow meterBMW
1P1450Unable to Bleed Up Fuel Tank VacuumFord
1P1557Battery Module Temperature Sensor Signal 3 Circuit Low VoltageAudi
1P1568Battery Cell Temperature Signal Circuit ProblemAudi
1P1599A/C Pressure Sensor Circuit Low VoltageSaturn
1P1600TCM Internal Watchdog OperationHonda
1P1602Powertrain Control Module Not ProgrammedAudi
1P1626Theft Deterrent Fuel Enable Signal LostBuick
1P1629Theft Deterrent Signal Not Present, Engine CrankingPontiac
1P1631Theft Deterrent Fuel Enable Signal Not CorrectChevrolet
1P1633Ignition Supplement Power '0' Switch Circuit MalfunctionVolkswagen
1P16395-Volt Reference 'B' Circuit MalfunctionVolkswagen
1P1646Hydraulic Cooling Fan Control Circuit LowJaguar
1P1653EGR Vent Solenoid Control Circuit MalfunctionAudi
1P1693Transponder No Response Error / Invalid ResponseDodge
1P1753Lockup Solenoid Valve 'A' Circuit MalfunctionAudi
1P1850Brake Band Apply Solenoid Circuit MalfunctionVolkswagen
1P2004Intake Manifold Runner Control Stuck OpenAudi
1P2006Intake Manifold Runner Control Stuck ClosedMazda
1P200Fo2 sensor 1 triple 1 electrical faultMercedes-Benz
1P2027BARO Sensor Circuit Range/PerformanceMercedes-Benz
1P202Bcontrol circuit for redundant tank heaterMercedes-Benz
1P202CCommunication ErrorMercedes-Benz
1P2070Intake Manifold Tuning Valve Stuck OpenAudi
1P2092Intake Camshaft Position Actuator Solenoid Control Circuit Low (Bank 2)Mercedes-Benz
1P2096Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2)Pontiac
1P2104ETC System Malfunction - Forced IdleLincoln
1P2106Electronic Throttle Control System - Forced Limited PowerSuzuki
1P2108Electronic Throttle Control Module PerformanceCadillac
1P2122Accelerator Pedal Position Sensor 1 Circuit Low VoltageNissan
1P2135Throttle Position Sensor 1-2 Correlation ErrorSaab
1P2138Accelerator Pedal Position Sensor 1-2 Correlation ErrorNissan
1P2187Fuel Trim System Lean At Idle (Bank 1)Mazda
1P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck RichFord
1P2198Air Fuel Ratio Sensor (Bank 2 Sensor 1) Signal Stuck "Rich"Ford
1P2279Intake Air System LeakVolkswagen
1P2291Injector Control Pressure Too Low - Engine CrankingFord
1P2296Fuel Pressure Solenoid 2 Control Circuit HighAudi
1P2413EGR System MalfunctionHonda
1P2617Crankshaft Position Signal Output Circuit MalfunctionFord
1P3016Battery Block 6 Becomes WeakAudi
1U0100Lost Communication With ECM/PCMToyota
1U0111IMA-CAN Malfunction (BCM Module - MCM)Toyota
1U0121Lost Communication With Antilock Brake System ModuleHonda
1U0140Lost Communication With BCMChevrolet
1U0293Lost Communication With HV/ECUToyota
1U1016Serial Communications MalfunctionPontiac
1U1040Lost Communication With Antilock Brake System ModulePontiac
1U1262Data Circuit MalfunctionLincoln