Sensor IAT intake air temperature Auto Mechanic School

TEORIA
Este sensor su funcion es monitorear la temperatura del aire que entra a el motor ya que como es sabido el aire frio es mas denso lo que significa que hay mas moleculas de aire cuando este esta frio por consecuente necesita hacer un ajuste en la mezcla de gasolina  

CODIGOS DTC
P0095
P0096
P0097
P0098
P0099
P0109
P0110
P0111
P0112
P0114

1-DIAGNOSTICO
Ubicar el sensor IAT desconectar y verificar con el multimetro que le llegue su voltage adecuado 5V 
 Tiene su voltage de 5?
Si:  Continuar a la prueba 2  
No: Reparar el circuito de voltage con el diagrama correspondiente

2-Conectado el scanner verificar en la linea intake air temperature IAT el valor que nos indica si este marca un valor de -40 vamos a realizar un puente con 1 cable en el conector de la IAT y verificar en el scanner. Sigue marcando -40?
Si: Arreglar el circuito desde la IAT a la PCM
No: Remplazar el sensor IAT. 

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Sensor MAF Diagnostico y falla de este sensor How to test sensor MAF Avilcar

Buen día amigos esta vez vamos hablar del sensor MAF, si bien es sabido que este sensor es un tanto problemático hay ocasiones que el mecánico no hace un buen diagnostico de este recordemos que el sensor maf mide la cantidad de aire que entra a el motor para asi determinar la cantidad exacta de gasolina que inyectara, a continuación les muestro como hacer un correcto diagnostico de este sensor 
Hay sensores MAF de 3 y 5 cables respectivamente por ahora hablaremos del sensor MAF de 3 cables

3 Cables  

1 cable corriente 12 v
2 tierra del sensor
3 señal que viaja a la PCM 
En la siguiente imagen podemos corroborar esto

Debemos revisar que el sensor este alimentado  por su corriente y su tierra si todo esta en orden conectaremos una punta del multimetro a borde negativo de la bateria y con la otra puta atravesaremos el cable de señal

Una vez echo esto encendemos el vehículo en ralenty debe marcar un voltaje aproximadamente de 0.8 a 1.0 V y Conforme se acelera debe de ir aumentando este valor gradualmente si este valor se corta es decir si va acerando y instantáneamente el valor cae a cero o menor de donde iba el sensor MAF esta defectuoso
Mas delante el vídeo de la prueba del mismo el cual fue echo en un tsuru 2004 pero aplica para la mayoria de sensores MAF de 3 
cables

Si tiene alguna duda sobre este o otro tema déjame un comentario o revisa el indice para corroborar si se encuentra ahí lo que necesitas

           Avilcar

Roberto avila 

CODIGOS DE FALLA OBD2 DTC DATA TROUBLE CODES AVILCAR

Que tal amigos, en esta ocasión les traigo los códigos de falla mas comunes cualquier duda o comentario saludos
Checa en la sección si esta la solución al código
Si no avísame y te la doy 

P0010...."A" Camshaft PositionActuator circuit (Bank 1)

P0011...."A" Camshaft Position -Timing over-advanced (Bank 1)

P0012...."A" Camshaft Position -Timing over-retarded (Bank 1)

P0013...."B" Camshaft PositionActuator circuit (Bank 2)

P0014...."B" Camshaft Position -Timing over-advanced (Bank 1)

P0015...."B" Camshaft Position -Timing over-retarded (Bank 1)

P0020...."A" Camshaft PositionActuator circuit (Bank 2)

P0021...."A" Camshaft Position -Timing over-advanced (Bank 2)

P0022...."A" Camshaft Position -Timing over-retarded (Bank 2)

P0023...."B" Camshaft PositionActuator circuit (Bank 2)

P0024...."B" Camshaft Position -Timing over-advanced (Bank 2)

P0025...."B" Camshaft Position -Timing over-retarded (Bank 2)

P0030....O2 Sensor heater control circuit (Bank 1 Sensor 1)

P0031....O2 Sensor heater control circuit low (Bank 1 Sensor 1)

P0032....O2 Sensor heater control circuit high (Bank 1 Sensor 1)

P0033....Turbocharger bypass valve control circuit

P0034....Turbocharger bypass valve control circuit low

P0035....Turbocharger bypass valve control circuit high

P0036....O2 Sensor heater control circuit (Bank 1 Sensor 2)

P0037....O2 Sensor heater control circuit low (Bank 1 Sensor 2)

P0038....O2 Sensor heater control circuit high (Bank 1 Sensor 2)

P0042....O2 Sensor heater control circuit (Bank 1 Sensor 3)

P0043....O2 Sensor heater control circuit low (Bank 1 Sensor 3)

P0044....O2 Sensor heater control circuit high (Bank 1 Sensor 3)

P0050....O2 Sensor heater control circuit (Bank 2 Sensor 1)

P0051....O2 Sensor heater control circuit low (Bank 2 Sensor 1)

P0052....O2 Sensor heater control circuit high (Bank 2 Sensor 1)

P0056....O2 Sensor heater control circuit (Bank 2 Sensor 2)

P0057....O2 Sensor heater control circuit low (Bank 2 Sensor 2)

P0058....O2 Sensor heater control circuit high (Bank 2 Sensor 2)

P0062....O2 Sensor heater control circuit (Bank 2 Sensor 3)

P0063....O2 Sensor heater control circuit low (Bank 2 Sensor 3)

P0064....O2 Sensor heater control circuit high (Bank 2 Sensor 3)

P0065....Air AssistedInjector control range/performance problem

P0066....Air Assisted Injector control circuit low

P0067....Air Assisted Injector control circuit high

P0070....Ambient Air Temperature Sensor circuit

P0071....Ambient Air Temperature Sensor range/performance problem

P0072....Ambient Air Temperature Sensor circuit low input

P0073....Ambient Air Temperature Sensor circuit high input

P0074....Ambient Air Temperature Sensor circuit intermittent

P0075....Intake Valve control Solenoid circuit (Bank 1)

P0076....Intake Valve control Solenoid circuit low (Bank 1)

P0077....Intake Valve control Solenoid circuit high (Bank 1)

P0078....Exhaust Valve control Solenoid circuit (Bank 1)

P0079....Exhaust Valve control Solenoid circuit low (Bank 1)

P0080....Exhaust Valve control Solenoid circuit high (Bank 1)

P0081....Intake Valve control Solenoid circuit (Bank 2)

P0082....Intake Valve control Solenoid circuit low (Bank 2)

P0083....Intake Valve control Solenoid circuit high (Bank 2)

P0084....Exhaust Valve control Solenoid circuit (Bank 2)

P0085....Exhaust Valve control Solenoid circuit low (Bank 2)

P0086....Exhaust Valve control Solenoid circuit high (Bank 2) 

P0100....Mass or Volume AirFlow circuit malfunction

P0101....Mass or Volume Air Flowcircuit range/performance problem

P0102....Mass or Volume Air Flow circuit low input

P0103....Mass or Volume AirFlow circuit high input

P0104....Mass or Volume Air Flow circuit intermittent

P0105....Manifold Absolute Pressure/Barometric Pressure circuit malfunction

P0106....Manifold Absolute Pressure/Barometric Pressure circuit range/performance problem

P0107....Manifold Absolute Pressure/Barometric Pressure circuit low input

P0108....Manifold Absolute Pressure/Barometric Pressure circuit high input

P0109....Manifold Absolute Pressure/Barometric Pressure circuit intermittent

P0110....Intake Air Temperature circuit malfunction

P0111....Intake Air Temperaturecircuit range/performance problem

P0112....Intake Air Temperature circuit low input

P0113....Intake Air Temperature circuit high input

P0114....Intake Air Temperature circuit intermittent

P0115....Engine Coolant Temperature circuit malfunction

P0116....Engine Coolant Temperature circuit range/performance problem

P0117....Engine Coolant Temperature circuit low input

P0118....Engine Coolant Temperature circuit high input

P0119....Engine Coolant Temperature circuit intermittent

P0120....Throttle/Petal Position Sensor/Switch A circuit malfunction                             Solución al codigo

P0121....Throttle/Petal Position Sensor/Switch A circuit range/performance problem    Solucion al codigo

P0122....Throttle/Petal Position Sensor/Switch A circuit low input                                Solucion al codigo

P0123....Throttle/Petal Position Sensor/Switch A circuit high input                               Solucion al codigo

P0124....Throttle/Petal Position Sensor/Switch A circuit intermittent                             Solucion al codigo 

P0125....Insufficient Coolant Temperature for Closed Loop Fuel control

P0126....Insufficient Coolant Temperature for stable operation

P0127....Intake Air Temperature too high

P0128....Coolant Thermostat coolant below normal temp range

P0130....O2 Sensor circuit malfunction (Bank 1 Sensor 1)

P0131....O2 Sensor circuit low Voltage (Bank 1 Sensor 1)

P0132....O2 Sensor circuit high Voltage (Bank 1 Sensor 1)

P0133....O2 Sensor circuit Slow Response (Bank 1 Sensor 1)

P0134....O2 Sensor circuit No Activity detected (Bank 1 Sensor 1)

P0135....O2 Sensor Heater circuit malfunction (Bank 1 Sensor 1)

P0136....O2 Sensor circuit malfunction (Bank 1 Sensor 2)

P0137....O2 Sensor circuit low Voltage (Bank 1 Sensor 2)

P0138....O2 Sensor circuit high Voltage (Bank 1 Sensor 2)

P0139....O2 Sensor circuit Slow Response (Bank 1 Sensor 2)

P0140....O2 Sensor circuit No Activity detected (Bank 1 Sensor 2)

P0141....O2 Sensor Heater circuit malfunction (Bank 1 Sensor 2)

P0142....O2 Sensor circuit malfunction (Bank 1 Sensor 3)

P0143....O2 Sensor circuit low Voltage (Bank 1 Sensor 3)

P0144....O2 Sensor circuit high Voltage (Bank 1 Sensor 3)

P0145....O2 Sensor circuit Slow Response (Bank 1 Sensor 3)

P0146....O2 Sensor circuit No Activity detected (Bank 1 Sensor 3)

P0147....O2 Sensor Heater circuit malfunction (Bank 1 Sensor 3)

P0148....Fuel delivery erro

P0149....Fuel timing error

P0150....O2 Sensor circuit malfunction (Bank 2 Sensor 1)

P0151....O2 Sensor circuit low Voltage (Bank 2 Sensor 1)

P0152....O2 Sensor circuit high Voltage (Bank 2 Sensor 1)

P0153....O2 Sensor circuit Slow Response (Bank 2 Sensor 1)

P0154....O2 Sensor circuit No Activity detected (Bank 2 Sensor 1)

P0155....O2 Sensor Heater circuit malfunction (Bank 2 Sensor 1)

P0156....O2 Sensor circuit malfunction (Bank 2 Sensor 2)

P0157....O2 Sensor circuit low Voltage (Bank 2 Sensor 2)

P0158....O2 Sensor circuit high Voltage (Bank 2 Sensor 2)

P0159....O2 Sensor circuit Slow Response (Bank 2 Sensor 2)

P0160....O2 Sensor circuit No Activity detected (Bank 2 Sensor 2)

P0161....O2 Sensor Heater circuit malfunction (Bank 2 Sensor 2) 

P0162....O2 Sensor circuit malfunction (Bank 2 Sensor 3)

P0163....O2 Sensor circuit low Voltage (Bank 2 Sensor 3)

P0164....O2 Sensor circuit high Voltage (Bank 2 Sensor 3)

P0165....O2 Sensor circuit Slow Response (Bank 2 Sensor 3)

P0166....O2 Sensor circuit No Activity detected (Bank 2 Sensor 3)

P0167....O2 Sensor Heater circuit malfunction (Bank 2 Sensor 3)

P0168....Fuel temperature too high

P0169....Incorrect fuel composition (flex fuel vehicles)

P0170....Fuel Trim malfunction (Bank 1)

P0171....System too Lean (Bank 1)

P0172....System too Rich (Bank 1)

P0173....Fuel Trim malfunction (Bank 2)

P0174....System too Lean (Bank 2)

P0175....System too Rich (Bank 2)

P0176....Fuel Composition Sensor circuit malfunction

P0177....Fuel Composition Sensor circuit range/performance

P0178....Fuel Composition Sensor circuit low input

P0179....Fuel Composition Sensor circuit high input

P0180....Fuel Temperature Sensor A circuit malfunction

P0181....Fuel Temperature Sensor A circuit range/performance

P0182....Fuel Temperature Sensor A circuit low input

P0183....Fuel Temperature Sensor A circuit high input

P0184....Fuel Temperature Sensor A circuit intermittent

P0185....Fuel Temperature Sensor B circuit malfunction

P0186....Fuel Temperature Sensor B circuit range/performance

P0187....Fuel Temperature Sensor B circuit low input

P0188....Fuel Temperature Sensor B circuit high input

P0189....Fuel Temperature Sensor B circuit intermittent

P0190....Fuel Rail Pressure Sensor circuit malfunction

P0191....Fuel Rail Pressure Sensor circuit range/performance

P0192....Fuel Rail Pressure Sensor circuit low input

P0193....Fuel Rail Pressure Sensor circuit high input

P0194....Fuel Rail Pressure Sensor circuit intermittent

P0195....Engine Oil Temperature Sensor malfunction

P0196....Engine Oil Temperature Sensor range/performance

P0197....Engine Oil Temperature Sensor low

P0198....Engine Oil Temperature Sensor high

P0199....Engine Oil Temperature Sensor intermittent

P0200....Injector circuit malfunction

P0201....Injector circuit malfunction - Cylinder 1

P0202....Injector circuit malfunction - Cylinder 2

P0203....Injector circuit malfunction - Cylinder 3

P0204....Injector circuit malfunction - Cylinder 4

P0205....Injector circuit malfunction - Cylinder 5

P0206....Injector circuit malfunction - Cylinder 6

P0207....Injector circuit malfunction - Cylinder 7

P0208....Injector circuit malfunction - Cylinder 8

P0209....Injector circuit malfunction - Cylinder 9

P0210....Injector circuit malfunction - Cylinder 10

P0211....Injector circuit malfunction - Cylinder 11

P0212....Injector circuit malfunction - Cylinder 12

P0213....Cold Start Injector 1 malfunction

P0214....Cold Start Injector 2 malfunction

P0215....Engine Shutoff Solenoid malfunction

P0216....Injection Timing control circuit malfunction

P0217....Engine Overtemp Condition

P0218....Transmission Over Temperature Condition

P0219....Engine Overspeed Condition

P0220....Throttle/Pedal Position Sensor/Switch B circuit malfunction

P0221....Throttle/Pedal Position Sensor/Switch B circuit range/performance problem 

P0222....Throttle/Pedal Position Sensor/Switch B circuit low input

P0223....Throttle/Pedal Position Sensor/Switch B circuit high input

P0224....Throttle/Petal Position Sensor/Switch B circuit intermittent

P0225....Throttle/Petal Position Sensor/Switch C circuit malfunction

P0226....Throttle/Petal Position Sensor/Switch C circuit range/performance problem

P0227....Throttle/Petal Position Sensor/Switch C circuit low input

P0228....Throttle/Petal Position Sensor/Switch C circuit high input

P0229....Throttle/Petal Position Sensor/Switch C circuit intermittent

P0230....Fuel Pump Primary circuit malfunction

P0231....Fuel Pump Secondary circuit low

P0232....Fuel Pump Secondary circuit high

P0233....Fuel Pump Secondary circuit intermittent

P0234....Engine Overboost Condition

P0235....Turbocharger Boost Sensor A circuit malfunction

P0236....Turbocharger Boost Sensor A circuit range/performance

P0237....Turbocharger Boost Sensor A circuit low

P0238....Turbocharger Boost Sensor A circuit high

P0239....Turbocharger Boost Sensor B malfunction

P0240....Turbocharger Boost Sensor B circuit range/performance

P0241....Turbocharger Boost Sensor B circuit low

P0242....Turbocharger Boost Sensor B circuit high

P0243....Turbocharger Wastegate Solenoid A malfunction

P0244....TurbochargerWastegate Solenoid A range/performance

P0245....Turbocharger Wastegate Solenoid A low

P0246....Turbocharger Wastegate Solenoid A high

P0247....Turbocharger Wastegate Solenoid B malfunction

P0248....TurbochargerWastegate SolenoidB range/performance

P0249....Turbocharger Wastegate Solenoid B low

P0250....Turbocharger Wastegate Solenoid B high

P0251....Injection Pump Fuel Metering control "A" malfunction (Cam/Rotor/Injector)

P0252....Injection Pump Fuel Metering control "A" range/performance (Cam/Rotor/Injector)

P0253....Injection Pump Fuel Metering control "A" low (Cam/Rotor/Injector)

P0254....Injection Pump Fuel Metering control "A" high (Cam/Rotor/Injector)

P0255....Injection Pump Fuel Metering control "A" intermittent (Cam/Rotor/Injector)

P0256....Injection Pump Fuel Metering control "B" malfunction (Cam/Rotor/Injector)

P0257....Injection Pump Fuel Metering control "B" range/performance (Cam/Rotor/Injector)

P0258....Injection Pump Fuel Metering control "B" low (Cam/Rotor/Injector)

P0259....Injection Pump Fuel Metering control "B" high (Cam/Rotor/Injector)

P0260....Injection Pump Fuel Metering control "B" intermittent (Cam/Rotor/Injector)

No se te olvide visitar las demas secciones del blog 

AVILCAR

BLOG OFICIAL MECANICA AUTOMOTRIZ

http://aprendemecanicautomotriz.blogspot.mx/

CANAL OFICIAL MECANICA AUTOMOTRIZ

http://www.youtube.com/user/BETOPSML?feature=watch

P0261....Cylinder 1 Injector circuit low

P0262....Cylinder 1 Injector circuit high

P0263....Cylinder 1 Contribution/Balance Fault

P0264....Cylinder 2 Injector circuit low

P0265....Cylinder 2 Injector circuit high

P0266....Cylinder 2 Contribution/Balance Fault

P0267....Cylinder 3 Injector circuit low

P0268....Cylinder 3 Injector circuit high

P0269....Cylinder 3 Contribution/Balance Fault

P0270....Cylinder 4 Injector circuit low

P0271....Cylinder 4 Injector circuit high

P0272....Cylinder 4 Contribution/Balance Fault

P0273....Cylinder 5 Injector circuit low

P0274....Cylinder 5 Injector circuit high

P0275....Cylinder 5 Contribution/Balance Fault

P0276....Cylinder 6 Injector circuit low

P0277....Cylinder 6 Injector circuit high

P0278....Cylinder 6 Contribution/Balance Fault

P0279....Cylinder 7 Injector circuit low

P0280....Cylinder 7 Injector circuit high

P0281....Cylinder 7 Contribution/Balance Fault 

P0282....Cylinder 8 Injector circuit low

P0283....Cylinder 8 Injector circuit high

P0284....Cylinder 8 Contribution/Balance Fault

P0285....Cylinder 9 Injector circuit low

P0286....Cylinder 9 Injector circuit high

P0287....Cylinder 9 Contribution/Balance Fault

P0288....Cylinder 10 Injector circuit low

P0289....Cylinder 10 Injector circuit high

P0290....Cylinder 10 Contribution/Balance Fault

P0291....Cylinder 11 Injector circuit low

P0292....Cylinder 11 Injector circuit high

P0293....Cylinder 11 Contribution/Balance Fault

P0294....Cylinder 12 Injector circuit low

P0295....Cylinder 12 Injector circuit high

P0296....Cylinder 12 Contribution/range Fault

P0300....Random/Multiple Cylinder misfire detected

P0301....Cylinder 1 misfire detected

P0302....Cylinder 2 misfire detected

P0303....Cylinder 3 misfire detected

P0304....Cylinder 4 misfire detected

P0305....Cylinder 5 misfire detected

P0306....Cylinder 6 misfire detected

P0307....Cylinder 7 misfire detected

P0308....Cylinder 8 misfire detected

P0309....Cylinder 9 misfire detected

P0311....Cylinder 11 misfire detected

P0312....Cylinder 12 misfire detected

P0313....misfire detected with low fuel

P0314....Single cylinder misfire (cylinder not specified)

P0320....Ignition/Distributor Engine Speed input circuit malfunction

P0321....Ignition/Distributor Engine Speed input circuit range/performance

P0322....Ignition/Distributor Engine Speed input circuit No Signal

P0323....Ignition/Distributor Engine Speed input circuit intermittent

P0325....Knock Sensor 1 circuit malfunction (Bank 1 or Single Sensor)

P0326....Knock Sensor 1 circuit range/performance (Bank 1 or Single Sensor)

P0327....Knock Sensor 1 circuit low input (Bank 1 or Single Sensor)

P0328....Knock Sensor 1 circuit high input (Bank 1 or Single Sensor)

P0329....Knock Sensor 1 circuit intermittent (Bank 1 or Single Sensor)

P0330....Knock Sensor 2 circuit malfunction (Bank 2)

P0331....Knock Sensor 2 circuit range/performance (Bank 2)

P0332....Knock Sensor 2 circuit low input (Bank 2)

P0333....Knock Sensor 2 circuit high input (Bank 2)

P0334....Knock Sensor 2 circuit intermittent (Bank 2)

P0335....Crankshaft Position Sensor A circuit malfunction

P0336....Crankshaft Position SensorA circuit range/performance

P0337....Crankshaft Position Sensor A circuit low input

P0338....Crankshaft Position Sensor A circuit high input

P0339....Crankshaft Position Sensor A circuit intermittent

P0340....Camshaft Position Sensor circuit malfunction

P0341....Camshaft Position Sensor circuit range/performance

P0342....Camshaft Position Sensor circuit low input

P0343....Camshaft Position Sensor circuit high input

P0344....Camshaft Position Sensor circuit intermittent

P0345....Camshaft Position Sensor "A" circuit (Bank 2)

P0346....Camshaft Position Sensor "A" circuit out of range (Bank 2)

P0347....Camshaft Position Sensor"A" circuit low input (Bank 2)

P0348....Camshaft Position Sensor "A circuit high input (Bank 2

P0349....Camshaft Position Sensor "A circuit intermittent (Bank 2

P0350....Ignition Coil Primary/Secondary circuit malfunction

P0351....Ignition Coil A Primary/Secondary circuit malfunction 

P0352....Ignition Coil B Primary/Secondary circuit malfunction

P0353....Ignition Coil C Primary/Secondary circuit malfunction

P0354....Ignition Coil D Primary/Secondary circuit malfunction

P0355....Ignition Coil E Primary/Secondary circuit malfunction

P0356....Ignition Coil F Primary/Secondary circuit malfunction

P0357....Ignition Coil G Primary/Secondary circuit malfunction

P0358....Ignition Coil H Primary/Secondary circuit malfunction

P0359....Ignition Coil I Primary/Secondary circuit malfunction

P0360....Ignition Coil J Primary/Secondary circuit malfunction

P0361....Ignition Coil K Primary/Secondary circuit malfunction

P0362....Ignition Coil L Primary/Secondary circuit malfunction

P0365....Camshaft Position Sensor "B" circuit (Bank 1)

P0366....Camshaft Position Sensor "B" circuit out of range (Bank 1)

P0367....Camshaft Position Sensor"B" circuit low input (Bank 1)

P0368....Camshaft Position Sensor "B" circuit high input (Bank 1)

P0369....Camshaft Position Sensor "B" circuit intermittent (Bank 1)

P0370....Timing Reference high Resolution Signal A malfunction

P0371....Timing Reference high Resolution Signal A Too Many Pulses

P0372....Timing Reference high Resolution Signal A Too Few Pulses

P0373....Timing Reference high Resolution Signal A intermittent/Erratic Pulses

P0374....Timing Reference high Resolution Signal A No Pulses

P0375....Timing Reference high Resolution Signal B malfunction

P0376....Timing Reference high Resolution Signal B Too Many Pulses

P0377....Timing Reference high Resolution Signal B Too Few Pulses

P0378....Timing Reference high Resolution Signal B intermittent/Erratic Pulses

P0379....Timing Reference high Resolution Signal B No Pulses

P0380....Glow Plug/Heater circuit "A" malfunction

P0381....Glow Plug/Heater Indicator circuit malfunction

P0382....Exhaust Gas Recirculation Flow malfunction

P0385....Crankshaft Position Sensor B circuit malfunction

P0386....Crankshaft Position SensorB circuit range/performance

P0387....Crankshaft Position Sensor B circuit low input

P0388....Crankshaft Position Sensor B circuit high input

P0389....Crankshaft Position Sensor B circuit intermittent

P0390....Camshaft Position Sensor"B" circuit intermittent

P0391....Camshaft Position Sensor "B" circuit out of range (Bank 2)

P0392....Camshaft Position Sensor"B" circuit low input (Bank 2)

P0393....Camshaft Position Sensor "B" circuit high input (Bank 2)

P0394....Camshaft Position Sensor "B" circuit intermittent (Bank 2)

P0400....Exhaust Gas Recirculation Flow malfunction

P0401....Exhaust Gas Recirculation Flow Insufficient detected

P0402....Exhaust Gas Recirculation Flow Excessive detected

P0403....Exhaust Gas Recirculation circuit malfunction

P0404....Exhaust Gas Recirculation circuit range/performance

P0405....Exhaust Gas Recirculation Sensor A circuit low

P0406....Exhaust Gas Recirculation Sensor A circuit high

P0407....Exhaust Gas Recirculation Sensor B circuit low

P0408....Exhaust Gas Recirculation Sensor B circuit high

P0410....Secondary Air Injection System malfunction

P0411....Secondary AirInjection System Incorrect Flow detected

P0412....Secondary Air Injection System Switching Valve A circuit malfunction

P0413....Secondary Air Injection System Switching Valve A circuit open

P0414....Secondary Air Injection System Switching Valve A circuit shorted

P0415....Secondary Air Injection System Switching Valve B circuit malfunction

P0416....Secondary Air Injection System Switching Valve B circuit open

P0417....Secondary Air Injection System Switching Valve B circuit shorted

P0418....Secondary Air Injection System Relay "A" circuit malfunction

P0419....Secondary Air Injection System Relay "B" circuit malfunction

P0420....Catalyst System Efficiency Below Threshold (Bank 1)

P0421....Warm Up Catalyst Efficiency Below Threshold (Bank 1) 

P0422....Main Catalyst Efficiency Below Threshold (Bank 1)

P0423....Heated Catalyst Efficiency Below Threshold (Bank 1)

P0424....Heated Catalyst Temperature Below Threshold (Bank 1)

P0425....Catalyst Temperature Sensor (Bank 1)

P0426....Catalyst Temperature Sensor out of range (Bank 1)

P0427....Catalyst TemperatureSensor low input (Bank 1)

P0428....Catalyst Temperature Sensor high input (Bank 1)

P0429....Catalyst Heater control circuit (Bank 1)

P0430....Catalyst System Efficiency Below Threshold (Bank 2)

P0431....Warm Up Catalyst Efficiency Below Threshold (Bank 2)

P0432....Main Catalyst Efficiency Below Threshold (Bank 2)

P0433....Heated Catalyst Efficiency Below Threshold (Bank 2)

P0434....Heated Catalyst Temperature Below Threshold (Bank 2)

P0435....Catalyst Temperature Sensor (Bank 2)

P0436....Catalyst Temperature Sensor out of range (Bank 2)

P0437....Catalyst TemperatureSensor low input (Bank 2)

P0438....Catalyst Temperature Sensor high input (Bank 2)

P0439....Catalyst Heater control circuit (Bank 2)

P0440....Evaporative Emission control System malfunction

P0441....Evaporative Emission control System Incorrect Purge Flow

P0442....Evaporative Emission control System Leak detected (small leak)

P0443....Evaporative Emission control System Purge control Valve circuit malfunction

P0444....Evaporative Emission control System Purge control Valve circuit open

P0445....Evaporative Emission control System Purge control Valve circuit shorted

P0446....Evaporative Emission control System Vent control circuit malfunction

P0447....Evaporative Emission control System Vent control circuit open

P0448....Evaporative Emission control System Vent control circuit shorted

P0449....Evaporative Emission control SystemVent Valve/Solenoid circuit malfunction

P0450....Evaporative Emission control System Pressure Sensor malfunction

P0451....Evaporative Emission control System Pressure Sensor range/performance

P0452....Evaporative Emission control System Pressure Sensor low input

P0453....Evaporative Emission control System Pressure Sensor high input

P0454....Evaporative Emission control System Pressure Sensor intermittent

P0455....Evaporative Emission control System Leak detected (gross leak)

P0456....Evaporative Emission control System leak detected (small leak)

P0457....Evaporative Emissioncontrol System leak detected (loose filler cap)

P0460....Fuel Level Sensor circuit malfunction

P0461....Fuel Level Sensor circuit range/performance

P0462....Fuel Level Sensor circuit low input

P0463....Fuel Level Sensor circuit high input

P0464....Fuel Level Sensor circuit intermittent

P0465....Purge Flow Sensor circuit malfunction

P0466....Purge Flow Sensor circuit range/performance

P0467....Purge Flow Sensor circuit low input

P0468....Purge Flow Sensor circuit high input

P0469....Purge Flow Sensor circuit intermittent

P0470....Exhaust Pressure Sensor malfunction

P0471....Exhaust Pressure Sensor range/performance

P0472....Exhaust Pressure Sensor low

P0473....Exhaust Pressure Sensor high

P0474....Exhaust Pressure Sensor intermittent

P0475....Exhaust Pressure control Valve malfunction

P0476....Exhaust Pressure control Valve range/performance

P0477....Exhaust Pressure control Valve low

P0478....Exhaust Pressure control Valve high

P0479....Exhaust Pressure control Valve intermittent

P0480....Cooling Fan 1 control circuit malfunction

P0481....Cooling Fan 2 control circuit malfunction

P0482....Cooling Fan 3 control circuit malfunction

P0483....Cooling Fan Rationality Check malfunction 

P0484....Cooling Fan circuit Over Current

P0485....Cooling Fan Power/Ground circuit malfunction

P0486....Exhaust Gas Recirculation Sensor "B" circuit

P0487....Exhaust Gas Recirculation Throttle Position control circuit

P0488....Exhaust Gas Recirculation Throttle Position control out of range

P0491....Secondary Air Injection System (Bank 1)

P0492....Secondary Air Injection System (Bank 2)

P0500....Vehicle Speed Sensor malfunction

P0501....Vehicle Speed Sensor range/performance

P0502....Vehicle Speed Sensor low input

P0503....Vehicle Speed Sensor intermittent/Erratic/high

P0505....Idle control System malfunction

P0506....Idle control System RPM lower Than Expected

P0507....Idle control System RPM higher Than Expected

P0508....Idle control System circuit low

P0509....Idle control System circuit high

P0510....Closed Throttle Position Switch malfunction

P0512....Starter request circuit

P0513....Incorrect Immobilizer key

P0515....Battery Temperature Sensor circuit

P0516....Battery Temperature Sensor circuit low

P0517....Battery Temperature Sensor circuit high

P0520....Engine Oil Pressure Sensor/Switch circuit malfunction

P0521....Engine Oil Pressure Sensor/Switch circuit range/performance

P0522....Engine Oil Pressure Sensor/Switch circuit low Voltage

P0523....Engine Oil Pressure Sensor/Switch circuit high Voltage

P0524....Engine oil pressure too low

P0530....A/C Refrigerant Pressure Sensor circuit malfunction

P0531....A/C Refrigerant Pressure Sensor circuit out of range

P0532....A/C Refrigerant Pressure Sensor circuit low input

P0533....A/C Refrigerant Pressure Sensor circuit high input

P0534....Air Conditioner Refrigerant Charge Loss

P0540....Intake Air Heater circuit

P0541....Intake AirHeater circuit low

P0542....Intake Air Heater circuit high

P0544....Exhaust Gas Temperature Sensor circuit (Bank 1)

P0545....Exhaust Gas Temperature Sensor circuit low (Bank 1)

P0546....Exhaust Gas Temperature Sensor circuit high (Bank 1)

P0547....Exhaust Gas Temperature Sensor circuit (Bank 2)

P0548....Exhaust Gas Temperature Sensor circuit low (Bank 2)

P0549....Exhaust Gas Temperature Sensor circuit high (Bank 2)

P0550....Power Steering Pressure Sensor circuit malfunction

P0551....Power Steering PressureSensor circuit range/performance

P0552....Power Steering Pressure Sensor circuit low input

P0553....Power Steering Pressure Sensor circuit high input

P0554....Power Steering PressureSensor circuit intermittent

P0560....System Voltage malfunction

P0561....System Voltage Unstable

P0562....System Voltage low

P0563....System Voltage high

P0564....Cruise control multi-function input signal

P0565....Cruise control On Signal malfunction

P0566....Cruise control Off Signal malfunction

P0567....Cruise control Resume Signal malfunction

P0568....Cruise control Set Signal malfunction

P0569....Cruise control Coast Signal malfunction

P0570....Cruise control Accel Signal malfunction

P0571....Cruise control/Brake Switch A circuit malfunction

P0572....Cruise control/Brake Switch A circuit low

P0573....Cruise control/Brake Switch A circuit high 

P0574....Cruise control system- vehicle speed too high

P0575....Cruise control Input circuit

P0576....Cruise control Input circuit low

P0577....Cruise control Input circuit high

P0578....Cruise control Related malfunction

P0579....Cruise control Related malfunction

P0580....Cruise control Related malfunction

P0600....Serial Communication Link malfunction

P0601....Internal control Module Memory Check Sum Error

P0602....control Module Programming Error

P0603....Internal control Module Keep Alive Memory (KAM) Error

P0604....Internal control Module Random Access Memory (RAM) Error

P0605....Internal control Module Read Only Memory (ROM) Error

P0606....PCM Processor Fault

P0607....control Module performance

P0608....control Module VSS Output "A" malfunction

P0609....control Module VSS Output "B" malfunction

P0610....control Module vehicle options error

P0615....Starter Relay circuit

P0616....Starter Relay circuit low

P0617....Starter Relay circuit high

P0618....Alternative Fuel control Module KAM error

P0619....Alternative Fuel control Module RAM/ROM error

P0620....Generator control circuit malfunction

P0621....Generator Lamp "L" control circuit malfunction

P0622....Generator Field "F" control circuit malfunction

P0623....Generator Lamp control circuit

P0624....Fuel Cap Lamp control circuit

P0630....VIN not programmed or mismatch - ECM/PCM

P0631....VIN not programmed or mismatch - TCM

P0635....Power Steering control circuit

P0636....Power Steering control circuit low

P0637....Power Steering control circuit high

P0638....Throttle Actuator control out of range (Bank 1)

P0639....Throttle Actuator control out of range (Bank 2)

P0640....Intake Air Heater control circuit

P0645....A/C Clutch Relay control circuit

P0646....A/C Clutch Relay control circuit high

P0647....A/C Clutch Relay control circuit high

P0648....Immobilizer Lamp control circuit

P0649....Speed control Lamp control circuit

P0650....Malfunction Indicator Lamp(MIL) control circuit malfunction

P0654....Engine RPM Output circuit malfunction

P0655....Engine Hot Lamp Output control circuit malfunction

P0656....Fuel Level Output circuit malfunction

P0660....Intake Manifold Tuning Valve control circuit (Bank 1)

P0661....Intake Manifold Tuning Valve control circuit low (Bank 1)

P0662....Intake Manifold Tuning Valve control circuit high (Bank 1)

P0663....Intake Manifold Tuning Valve control circuit (Bank 2)

P0664....Intake Manifold Tuning Valve control circuit low (Bank 2)

P0665....Intake Manifold Tuning Valve control circuit high (Bank 2)

P0700....Transmission control System malfunction

P0701....Transmission control System out of range

P0702....Transmission control System Electrical

P0703....Torque Converter/Brake Switch B circuit malfunction

P0704....Clutch Switch input circuit malfunction

P0705....Transmission range Sensor circuit malfunction (PRNDL input)

P0706....Transmission range Sensor circuit range/performance

P0707....Transmission range Sensor circuit low input

P0708 --Transmission range Sensor circuit high input 

P0709 --Transmission range Sensor circuit intermittent

P0710....Transmission Fluid Temperature Sensor circuit malfunction

P0711....Transmission Fluid Temperature Sensor circuit range/performance

P0712....Transmission Fluid Temperature Sensor circuit low input

P0713....Transmission Fluid Temperature Sensor circuit high input

P0714....Transmission Fluid Temperature Sensor circuit intermittent

P0715....input/Turbine SpeedSensor circuit malfunction

P0716....input/Turbine Speed Sensor circuit range/performance

P0717....input/Turbine SpeedSensor circuit No Signal

P0718....input/Turbine Speed Sensor circuit intermittent

P0719....Torque Converter/Brake Switch B circuit low

P0720....Output Speed Sensor circuit malfunction

P0721....Output Speed Sensor range/performance

P0722....Output Speed Sensor No Signal

P0723....Output Speed Sensor intermittent

P0724....Torque Converter/Brake Switch B circuit high

P0725....Engine Speed input circuit malfunction

P0726....Engine Speed input circuit range/performance

P0727....Engine Speed input circuit No Signal

P0728....Engine Speed input circuit intermittent

P0730....IncorrectGear Ratio

P0731....Gear 1 Incorrect ratio

P0732....Gear 2 Incorrect ratio

P0733....Gear 3 Incorrect ratio

P0734....Gear 4 Incorrect ratio

P0735....Gear 5 Incorrect ratio

P0736....Reverse incorrect gear ratio

P0737....TCM engine speed output circuit

P0738....TCM engine speed output circuit low

P0739....TCM engine speed output circuit high

P0740....Torque Converter Clutch circuit malfunction

P0741....Torque Converter Clutch circuit performance or stuck off

P0742....Torque Converter Clutch circuit stuck on

P0743....Torque Converter Clutch circuit electrical

P0744....Torque Converter Clutch circuit intermittent

P0745....Pressure control Solenoid malfunction

P0746....Pressure control Solenoid performance or Stuck Off

P0747....Pressure control Solenoid Stuck On

P0748....Pressure control Solenoid Electrical

P0749....Pressure control Solenoid intermittent

P0750....Shift Solenoid A malfunction

P0751....Shift Solenoid A performance or Stuck Off

P0752....Shift Solenoid A Stuck On

P0753....Shift Solenoid A Electrical

P0754....Shift Solenoid A intermittent

P0755....Shift Solenoid B malfunction

P0756....Shift Solenoid B performance or Stuck Off

P0757....Shift Solenoid B Stuck On

P0758....Shift Solenoid B Electrical

P0759....Shift Solenoid B intermittent

P0760....Shift Solenoid C malfunction

P0761....Shift Solenoid C performance or Stuck Off

P0762....Shift Solenoid C Stuck On

P0763....Shift Solenoid C Electrical

P0764....Shift Solenoid C intermittent

P0765....Shift Solenoid D malfunction

P0766....Shift Solenoid D performance or Stuck Off

P0767....Shift Solenoid D Stuck On

P0768....Shift Solenoid D Electrical

P0769....Shift Solenoid D intermittent 

P0770....Shift Solenoid E malfunction

P0771....Shift Solenoid E performance or Stuck Off

P0772....Shift Solenoid E Stuck On

P0773....Shift Solenoid E Electrical

P0774....Shift Solenoid E intermittent

P0775....Pressure Control Solenoid "B"

P0776....Pressure Control Solenoid "B" performance or stuck off

P0777....Pressure Control Solenoid "B" stuck on

P0778....Pressure Control Solenoid "B" electrical

P0779....Pressure Control Solenoid "B" intermittent

P0780....Shift malfunction

P0781....1-2 Shift malfunction

P0782....2-3 Shift malfunction

P0783....3-4 Shift malfunction

P0784....4-5 Shift malfunction

P0785....Shift/Timing Solenoid malfunction

P0786....Shift/Timing Solenoid range/performance

P0787....Shift/Timing Solenoid low

P0788....Shift/Timing Solenoid high

P0789....Shift/Timing Solenoid intermittent

P0790....Normal/performance Switch circuit malfunction

P0791....Intermediate Shaft Speed Sensor circuit

P0792....Intermediate Shaft Speed Sensor circuit out of range

P0793....Intermediate Shaft Speed Sensor circuit no signal

P0794....Intermediate Shaft Speed Sensor circuit intermittent

P0795....Pressure Control Solenoid "C"

P0796....Pressure Control Solenoid "C" out of range

P0797....Pressure Control Solenoid "C" stuck on

P0798....Pressure Control Solenoid "C" electrical

P0799....Pressure Control Solenoid "C" intermittent

P0801....Reverse Inhibit control circuit malfunction

P0803....1-4 Upshift (Skip Shift) Solenoid control circuit malfunction

P0804....1-4 Upshift (Skip Shift) Lamp control circuit malfunction

P0805....Clutch Position Sensor circuit

P0806....Clutch Position Sensor circuit out of range

P0807....Clutch Position Sensor circuit low

P0808....Clutch PositionSensor circuit high

P0809....Clutch Position Sensor circuit intermittent

P0810....Clutch Position control error

P0811....Excessive Clutch Slippage

P0812....Reverse Input circuit

P0813....Reverse Output circuit

P0815....Upshift Switch circuit

P0816....Downshift Switch circuit

P0817....Starter Disable circuit

P0818....Driveline Disconnect Switch input circuit

P0820....Gear Lever X-Y Position Sensor circuit

P0821....Gear Lever X Position circuit

P0822....Gear Lever Y Position circuit

P0823....Gear Lever X Position circuit intermittent

P0824....Gear Lever Y Position circuit intermittent

P0830....Clutch Pedal Switch "A" circuit

P0831....Clutch Pedal Switch "A" circuit low

P0832....Clutch Pedal Switch "A" circuit high

P0833....Clutch Pedal Switch "B" circuit

P0834....Clutch Pedal Switch "B" circuit low

P0835....Clutch Pedal Switch "B" circuit high

P0837....Four Wheel Drive Switch circuit

P0838....Four Wheel Drive Switch circuit low

P0839....four Wheel Drive Switch circuit high 

P0840....Transmission Fluid Pressure Sensor/Switch "A" circuit

P0841....Transmission Fluid Pressure Sensor/Switch "A" circuit out of range

P0842...Transmission Fluid Pressure Sensor/Switch "A" circuit low

P0843....Transmission Fluid Pressure Sensor/Switch "A" circuit high

P0844....Transmission Fluid Pressure Sensor/Switch "A" circuit intermittent

P0845....Transmission Fluid Pressure Sensor/Switch "B" circuit

P0846....Transmission Fluid Pressure Sensor/Switch "B" circuit out of range

P0847...Transmission Fluid Pressure Sensor/Switch "B" circuit low

P0848....Transmission Fluid Pressure Sensor/Switch "B" circuit high

P0849....Transmission Fluid Pressure Sensor/Switch "B" circuit intermittent 

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