Generic: Turbocharger/Supercharger Boost Sensor \"A\" Circuit LowGM: Turbocharger Boost Circuit Low Input ConditionsDodge Chrysler: MAP Sensor Signal Too Low Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble. Posted and Edit by AutoCodes.com 07-11-2020, 5 Most Common Reasons for Check Engine Light, Boost Pressure Sensor harness is open or shorted, Boost Pressure Sensor circuit poor electrical connection, Engine Light ON (or Service Engine Soon Warning Light). OBD II fault code P0238 is a generic code that is defined as “Manifold absolute pressure (MAP) sensor “A” – TC system high input”, and is set when the PCM (Powertrain Control Module) detects an abnormally high reading or value in the turbocharger’s boost control circuit. Turbocharger Boost Sensor A Circuit High this is from the ross-tech wiki: Originally Posted by Ross-Tech 16622/P0238/000568 - Manifold Pressure/Boost Sensor (G31): Signal too High Possible Symptoms * Malfunction Indicator Lamp (MIL) active Possible Causes * Wiring/Connector(s) from/to Manifold Pressure/Boost Sensor (G31) faulty What an amazing service, thank you Joel! This diagnostic fault code is a generic powertrain code, which means that it would apply to the OBD-II equipped vehicles. The most common failure is the boost sensor shorted internally, or the harness has been shorted on the exhaust manifold. Turbo boost pressure sensor internally open circuit, The turbo boost pressure sensor A connector is damaged, causing an open circuit, The turbo boost pressure sensor A wiring is shorted to power between the sensor and the ECM, The Check Engine Light will be illuminated and code set, The engine turbo boost may be turned off by the ECM and the engine will lack power (during acceleration), Scans codes and documents the freeze frame data in order to verify the problem, Clears the codes to verify whether the concern comes back, Checks the operation of the boost pressure sensor signal and compares it to the MAP sensor at engine idle to see if the readings are the same, Checks the turbo boost sensor wiring and connector for any signs of shorts to power in the harness, Checks the turbo boost sensor connector for corroded pins that may cause shorting of power in the signal circuit, Compares readings to specifications on the sensor data scan. Chrysler 300 - Check Engine Light is on - Austin, Texas. Appreciated your in depth knowledge of mechanics, your honesty and recommendation. Threaten them with non compliance of contract, or sale of goods act or whatever it takes. P0238 is een OBD-II-generieke code die wordt geactiveerd wanneer de motorregelingsmodule (ECM) de ingangsboostdruksensor A-ingangscircuit detecteert volgens specificaties, wat een open circuit of een hoogspanningsstatus in het circuit aangeeft. Generic: Turbocharger Boost Sensor A Range/Performance GM: Turbocharger Boost System Performance Dodge Diesel Pickups: MAP Sensor Too High Too Long Follow these simple guidelines to prevent misdiagnosis: Try disconnecting the sensor to see if the short to power and code goes away or changes, Check the harness for melting from loose or hanging wire looms on the exhaust. YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. This pressure is created by the turbocharger and changes with Accelerator Pedal Position (APP) and engine speed. It is an intermittent issue that is an electrical circuit... P3419 means a problem was detected with the cylinder deactivation mode due to bad lifters, sensors, solenoids, electrical issues, or low oil pressure. P0238 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost pressure sensor A input circuit out of specifications, indicating an open circuit or high voltage condition in the circuit. Because the turbocharger booster sensor on a Volkswagen also measures the intake air temperature, we had two active codes that were coming up on our VW scanner. P0238 is a diagnostic trouble code (DTC) for "Turbocharger Boost Sensor A Circuit High". The OBD code P0238 can be defined as Turbocharger Boost Sensor A Circuit High. P0238 Description The Boost Pressure Sensor responds to pressure changes in the intake manifold. Very helpful and honest. Our certified mobile mechanics can come to your home or office to perform the. When I plugged it in fault code P0238 - Turbo pressure came up. Chevrolet HHR - Check Engine Light is on Inspection - Indianapolis, Indiana. If a vacuum-operated solenoid is used to control the system a blocked vent can also result in an over-boost condition. Code P0238 is triggered when the intake boost sensor circuit shorts to power or opens completely, causing the signal to the ECM to go way over, or below voltage specifications. Made with ♥ in Silicon Valley. This pressure is created by the turbocharger and changes with Accelerator Pedal Position (APP) and engine speed. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. P0238 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost pressure sensor A input circuit out of specifications, indicating … What the P0238 code means. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. This pressure is created by the turbocharger and changes with Accelerator Pedal Position (APP) and engine speed. Replacing the boost sensor if it is shorted internally and not giving the correct input pressure reading to the ECM, Repairing the wiring harness if any shorts are found, and securing the harness from getting damaged, Replacing the broken connectors causing the shorted or open circuits, Replacing the ECM if it got shorted internally, and repairing the cause of the short. Joel came to the house, at night, in the cold, and went over every inch of my truck. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230. “Finding a trusted mechanic at a reasonable price can be extremely difficult. This condition is sometimes referred to \"limp home\" mode and is most noticeable by a serious lack of acceleration. P0238 FORD Meaning The Boost Pressure Sensor responds to pressure changes in the intake manifold. Who will come to your home or office to perform the Check Engine Light diagnostic Light on! - Turbo pressure came up two OBD-II error codes you posted including the P0098 trouble... And went over every inch of my truck all rights reserved a ' High! Vehicle which generates the P0236 code indicates that there is a generic powertrain code which... Post subject: p0238 turbocharger Boost Sensor a Circuit High is the Boost Sensor... Time without any symptoms your honesty and recommendation chrysler 300 - Check Engine diagnostic... The information above help you fix the code left-hand valve cover and it used. 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