Código de avería P007D: This diagnostic trouble code (DTC) is a generic powertrain code, which means it applies to OBD-II equipped vehicles that have a charge air cooler temperature sensor (Chevy, Ford, Toyota, Mitsubishi, Audi, VW, etc.). Although generic, the exact repair steps may vary depending on make/model. A turbocharger is basically an air pump used to force air into the engine. Inside, there are two sections: the turbine and the compressor. The turbine is attached to the exhaust manifold, where it is driven by exhaust gases. The compressor attaches to the air intake. Both are connected by a shaft, so when the turbine spins, the compressor also spins, allowing intake air to be drawn into the engine. Cooler air provides denser intake charge to the engine and therefore more power. Because of this, many engines are equipped with a charge air cooler, also known as an intercooler. Charge air coolers can be either air-to-liquid or air-to-air coolers, but the function is the same – to cool air entering the intake. A charge air cooler temperature sensor (CACT), is used to measure the temperature and therefore the density, of air entering exiting the charge air cooler. This information is sent to the powertrain control module (PCM) where it is compared to intake air temperature (and in some cases engine coolant temperature and exhaust gas recirculation temperature) to determine charge air cooler performance. The PCM sends a reference voltage (usually 5 volts) through an internal resistor. It then measures the voltage to determine charge air cooler temperature. Note: Sometimes the CACT is part of the boost pressure sensor. Code P007D is set when the PCM detects a high charge air cooler temperature sensor signal on bank 1. This usually indicates an open circuit. On multiple bank engines, bank 1 refers to the bank of cylinders that has the #1 cylinder.
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Código de avería P007E: This diagnostic trouble code (DTC) is a generic powertrain code, which means it applies to OBD-II equipped vehicles that have a charge air cooler temperature sensor (Chevy, Ford, Toyota, Mitsubishi, Audi, VW, etc.). Although generic, the exact repair steps may vary depending on make/model. A turbocharger is basically an air pump used to force air into the engine. Inside, there are two sections: the turbine and the compressor. The turbine is attached to the exhaust manifold, where it is driven by exhaust gases. The compressor attaches to the air intake. Both are connected by a shaft, so when the turbine spins, the compressor also spins, allowing intake air to be drawn into the engine. Cooler air provides denser intake charge to the engine and therefore more power. Because of this, many engines are equipped with a charge air cooler, also known as an intercooler. Charge air coolers can be either air-to-liquid or air-to-air coolers, but the function is the same – to cool air entering the intake. A charge air cooler temperature sensor (CACT), is used to measure the temperature and therefore the density, of air entering exiting the charge air cooler. This information is sent to the powertrain control module (PCM) where it is compared to intake air temperature (and in some cases engine coolant temperature and exhaust gas recirculation temperature) to determine charge air cooler performance. The PCM sends a reference voltage (usually 5 volts) through an internal resistor. It then measures the voltage to determine charge air cooler temperature. Note: Sometimes the CACT is part of the boost pressure sensor. Code P007E is set when the PCM detects an intermittent problem with the bank 1 charge air cooler temperature sensor signal. On multiple bank engines, bank 1 refers to the bank of cylinders that has the #1 cylinder.
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Código de avería P007F: This generic powertrain diagnostic trouble code (DTC) typically applies to many OBD-II vehicles. That may include but is not limited to vehicles from Ford, Range Rover, Mercedes-Benz, etc. A stored code P007F means that the powertrain control module (PCM) has detected a discrepancy in the correlating signals between the charge air temperature (CAT) sensors for the separate banks of the engine. Bank 1 refers to the engine bank that contains the number one cylinder. As you have probably gathered by the code description, a P007F is applicable only to vehicles that are equipped with forced air induction systems and multiple intake air inlet sources. Intake air inlet sources include throttle bodies and forced air induction systems are configured around turbochargers and superchargers. CAT sensors are typically composed of a thermal resistor in a plastic housing. The CAT sensor is inserted through the air inlet tube (from outside to inside) with the resistor suspended on a two-wire pedestal. It is positioned so that ambient air entering the turbocharger inlet pipe (after leaving the air charge cooler/intercooler), may flow across it. The CAT sensor is normally designed to thread or bolt into the turbocharger/supercharger inlet pipe, near the intercooler. The level of resistance in the CAT sensor resistor decreases as actual charge air temperature increases. This causes circuit voltage to move towards the reference maximum. The PCM recognizes these variations in CAT sensor voltage as changes in charge air temperature and reacts accordingly. The CAT sensors provide data to the PCM for boost pressure solenoid operation and boost pressure release valve operation, as well as certain facets of fuel delivery and ignition timing calibration. If the PCM detects voltage signals from the CAT sensors (for engine banks one and two) which reflect a difference that exceeds the maximum allowable parameters, a code P007F will be stored and a malfunction indicator lamp (MIL) may be illuminated. Multiple drive cycles with a detected failure may be required for MIL illumination. An example of a MAF sensor:
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Código de avería P0080: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is above specification, it will set this trouble code and illuminate the Malfunction Indicator Lamp (MIL). Bank 1 refers to the side of the engine with cylinder #1 – be sure to verify according to manufacturers specifications. The exhaust valve control solenoid is usually located on the Exhaust manifold side of the cylinder head. This code is similar to codes P0078 and P0079. This code may also be accompanied by P0027.
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Código de avería P0081: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is out of specification or intermittent, it will set this DTC and illuminate the Check Engine Light / Malfunction Indicator Lamp (CEL/MIL). Bank 2 refers to the side of the engine that does not contain cylinder #1 – be sure to verify according to manufacturers specifications. The intake valve control solenoid is usually located on the intake manifold side of the cylinder head. This code is similar to codes P0082 and P0083. This code may also be accompanied by P0028.
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Código de avería P0082: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is below specification, it will set this trouble code and illuminate the Malfunction Indicator Lamp (MIL). Bank 2 refers to the side of the engine that does not contain cylinder #1 – be sure to verify according to manufacturers specifications. The intake valve control solenoid is usually located on the intake manifold side of the cylinder head. This code is similar to codes P0081 and P0083. This code may also be accompanied by P0028.
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Código de avería P0083: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is above specification, it will set this trouble code and illuminate the Malfunction Indicator Lamp (MIL). Bank 2 refers to the side of the engine that doesn’t contain cylinder #1 – be sure to verify according to manufacturers specifications. The Exhaust valve control solenoid is usually located on the exhaust manifold side of the cylinder head. This code is similar to codes P0081 and P0082. This code may also be accompanied by P0028.
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Código de avería P0084: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is out of specification or intermittent, it will set this DTC and illuminate the Check Engine Light / Malfunction Indicator Lamp (CEL/MIL). Bank 2 refers to the side of the engine that does not contain cylinder #1 – be sure to verify according to manufacturers specifications. The exhaust valve control solenoid is usually located on the exhaust manifold side of the cylinder head. This code is similar to codes P0085 and P0086. This code may also be accompanied by P0029.
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Código de avería P0085: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is below specification, it will set this trouble code and illuminate the Malfunction Indicator Lamp (MIL). Bank 2 refers to the side of the engine that does not contain cylinder #1 – be sure to verify according to manufacturers specifications. The exhaust valve control solenoid is usually located on the Exhaust manifold side of the cylinder head. This code is similar to codes P0084 and P0086. This code may also be accompanied by P0029.
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Código de avería P0086: This code is a generic OBD-II powertrain code, that means it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. On vehicles equipped with variable valve timing (VVT), the Engine Control Module / Powertrain Control Module (ECM/PCM) controls the camshaft position by regulating the engine oil through the control solenoid to change the position of the camshaft. The control solenoid is commanded using a Pulse Width Modulated signal (PWM) from the ECM/PCM. The ECM/PCM monitors this signal and if the voltage is above specification, it will set this trouble code and illuminate the Malfunction Indicator Lamp (MIL). Bank 2 refers to the side of the engine that does not contain cylinder #1 – be sure to verify according to manufacturers specifications. The exhaust valve control solenoid is usually located on the Exhaust manifold side of the cylinder head. This code is similar to codes P0084 and P0085. This code may also be accompanied by P0029.
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