P0641 chevy malibu

Failed PCM. Symptoms. The symptoms of a P0641 code are: Malfunction of transmission shifting. Failure of transmission to shift from sport to economy mode. Delayed or no transmission engagement. Failure of the transfer case to shift from low to high gear. Failure of the transmission to switch between all-wheel and two-wheel drive modes.

Chevy Mechanic: Derek H. Alright, it looks like it is probably RPO code LXV. That code refers to the 5V reference circuit that goes to the following parts: The exhaust camshaft position (CMP) sensor. The intake camshaft position (CMP) sensor. The fuel tank pressure (FTP) sensor. The air conditioning (A/C) refrigerant pressure sensor.Understanding the role of the 5-Volt reference voltage and its impact on sensor functionality is critical in resolving Code P0641 efficiently. Symptoms of P0641. Experiencing starting issues and rough idling are common symptoms associated with OBD-II Code P0641. To help you understand better, here are three key points to keep in mind:Expert 224 Answers. Posted on Oct 09, 2014. Possible causes. - Faulty Engine Control Module (ECM) - ECM harness is open or shorted. - ECM circuit poor electrical connection. - Shorted sensor on 5 volt circuit.Check engine light repair and might be in reduce engine power. Repair is to reprogram ecmsmokester said: I think I found the real problem. The Troubleshooting chart I have for the code P0641 said to disconnect the Fuel Rail Pressure (FRP) sensor and then check the reference voltage at the Accelerator Pedal Position sensor (APP). I did that and nothing changed, still low voltage.P0641 reduce engine power traction control light on. 2011 chevrolet malibu. Changed the bears front and rear the MAP - Answered by a verified Chevy Mechanic ... I have 2008 Chevy Malibu with less than 120,000 miles & codes P0013 exhaust CMP, P0121 & P2135 check engine light & power failure on instrument panel.Cuando se encuentra un código P0641 almacenado, significa que el módulo de control del tren motriz (PCM) ha detectado un circuito abierto para un sensor en ...

Code P069E Chevrolet Description. The Fuel Pump Control Module uses the serial data network to signal the Engine Control Module that the Fuel Pump Control Module is requesting malfunction indicator lamp (MIL) illumination.A Diagnostic Trouble Code (DTC) is set in the Fuel Pump Control Module, and the request for MIL illumination is sent when …P0641 reduce engine power traction control light on. 2011 chevrolet malibu. Changed the bears front and rear the MAP - Answered by a verified Chevy Mechanic ... I have 2008 Chevy Malibu with less than 120,000 miles & codes P0013 exhaust CMP, P0121 & P2135 check engine light & power failure on instrument panel.P0641 reduce engine power traction control light on. 2011 chevrolet malibu. Changed the bears front and rear the MAP - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.Cuando se encuentra un código P0641 almacenado, significa que el módulo de control del tren motriz (PCM) ha detectado un circuito abierto para un sensor en ...Bulletin No.: PIP5676A Published date: 09/23/2019. Preliminary Information. PIP5676A MIL Due To P06DE and may also have P0521. Models. Brand: Model: Model Years: VIN: Engine: Transmissions: from to Buick Envision 2015 - 2019 All All LCV LTG All Buick LaCrosse 2015 - 2019 All All LHN All Buick Regal 2014 - 2019 All All …If you’re experiencing the P0641 fault code, it could be due to a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the …P0641 reduce engine power traction control light on. 2011 chevrolet malibu. Changed the bears front and rear the MAP - Answered by a verified Chevy Mechanic ... I have 2008 Chevy Malibu with less than 120,000 miles & codes P0013 exhaust CMP, P0121 & P2135 check engine light & power failure on instrument panel.

The P0641 code says : "Sensor Reference Voltage A Circuit/Open" and the C0242 code says:" PCM indicated TCS Malfunction - invalid serial data received" . I've had so much trouble …When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Impala. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Impala built after for the 1996 model year and up.Labor: 1.0. The cost to diagnose the P0641 2018 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P0641 2018 Chevrolet Silverado ...The upstream leakage takes place near the O2 sensor. On the other hand, the downstream leakage happens right before the MAF sensor. If you notice this issue in your Chevy, take it to the servicing center as soon as possible so that the issue can be solved on time.The code p0641 can be triggered by various issues, including: Web p0141 is a very common obdii code that occurs in the chevy malibu. When the issue happens, the check engine. Web We Had A Customer Call With A Complaint Of Car Losing Power And Code Being Present It Was P0641 Which Is Loss Of Power Traction Control Malfunction.

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C0196 Chevrolet Code - Yaw Rate Signal. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Search for C0196 Chevrolet Questions and Answers. Possible Symptoms. Anti-Lock …2010 Malibu LS Summit White ext, gray cloth int. Factory installed rear lip spoiler Optional spare tire 2.4 E85 capable 4 spd automatic DIC AVG MPG = 30.5 MPG! I love this car! 2012 Chevrolet Sonic LS 1.8 litre, 6 speed automatic (Wife's car) 2001 Mustang Bullitt #4204 Original owner 22K miles 2000 Mustang GT Convertible Rare …P0641 - Sensor Reference Voltage 'A' Circuit/Open. From what I have read, P0641 doesn't necessarily mean TPS. It could be, but it also could be about 4 or 5 other things. Yesterday it did it again and I got P0107, P0106, P0452, P0522, and P0641. Dealer says it is probably only one sensor that is causing all the other codes.Step 4: Test the reference voltage circuit. Next, using a multimeter, test the 5-volt reference circuit to verify if the voltage is out of specification. If the voltage is indeed off, focus on identifying the problematic component within the circuit, as this will likely be the primary cause of the P0641 code.Lean code p0171 chevy malibu 06P0171 malibu chevy code P0641 chevrolet silverado2008 malibu chevrolet autoevolution 2009. P0013 & p0014 fixed fast & easy 2013-2015 chevy malibu 2.5l replace intake & exhaust camshaft2010 malibu 2.4l p0336, p0315 no tach operation, no crankshaft sensor signal from pcm 2010 chevy malibu lt p0641 and c0242 ...

When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Suburban. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Suburban built after for the 1996 model year and up.**Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use**Automotive Test Light- https://amzn.to/3z1PdxaFlexible Backprobe...P0641 code? Thread starter tlsnokuyeulb; Start date Nov 13, 2016; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission. Nov 13, 2016 #1 T. tlsnokuyeulb Member. Joined Jan 6, 2013 Posts 81 Reaction score 1. As I was driving today, most of …Chevrolet Silverado 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L ... P057E P0628 P0629 P0641 P0650 P0651 P066A P066B P066C P066D P066E P066FSummary. The P0651 code stands for “Sensor Reference Voltage “B” Circuit/Open.”. It’s triggered when the powertrain control module (PCM) detects issues with the 5-volt reference signal. Blown fuses or fusible links are possible causes for the code. Rough running and misfires are two symptoms to keep an eye out for.Doing a repair or project?? Want to be part of a Friend's Edition Episode? Interested Subscribers should contact Rob at [email protected] Absolutely NO-E...Key Points. P0641 signifies an open circuit in sensor reference voltage A. Voltage fluctuations indicate sensor malfunctions. PCM supplies 5-Volt reference to …I have a 2009 Chevy Malibu Hybrid. Car died out at highway speed. Restarted but would only go 5 mph. No codes. Finally got it towed home and it threw a fuel position actuator code. ... P0641 CHEVROLET - 5 Volt Reference Voltage Incorrect Symptoms - Engine Light ON (or Service Engine Soon Warning Light) - kind of Motor …Jul 24, 2562 BE ... Impala EOP Issues, P0641 & Engine Power Reduced 2006-2013 ... TPMS Sensor Replacement on 2008 Chevy ... Replacing an oil pressure sensor switch on ...

Lean code p0171 chevy malibu 06P0171 malibu chevy code P0641 chevrolet silverado2008 malibu chevrolet autoevolution 2009. P0013 & p0014 fixed fast & easy 2013-2015 chevy malibu 2.5l replace intake & exhaust camshaft2010 malibu 2.4l p0336, p0315 no tach operation, no crankshaft sensor signal from pcm 2010 chevy malibu lt p0641 and c0242 ...Over on Edmund's they have maybe 28 pages of similar complaints about the same issues. Yet Chevy has no fix so strange. ... P0452, P0335, P0106, P0101, P0651, P0336, P2135 and P0068, P0107, P0315 or P0641 may also be set. P0641 is a 5 volt reference circuit 1 code. The 5-volt reference 1 bus provides 5 volts to the following …Try unplugging one at a time and testing. P0641 is for the 5v circuit and is shown several times in your scan. Good luck. Diagnostic Aids The 5V reference 1 circuit provides 5 V to the sensors listed below: ... Chevy Malibu Forum is the best place for owners of the sedan to connect with the community and discuss MPG, mods, and more. …When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Impala. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Impala built after for the 1996 model year and up.P0641 - Sensor Reference Voltage A Circuit/Open P2227 - Barometric Pressure Circuit Range/Performance ... Chevrolet Malibu Forums. 269.8K posts 72K membersWhen the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Orlando. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Orlando built after for the 1996 model year and up.Code P0641 stands for Sensor Reference Voltage 'A' Circuit Open. In the event of a sensor reference “A” malfunction, a trouble code will be stored and a service engine soon lamp may be illuminated. PCM supplies a reference voltage to many of the onboard sensors. Typically, this reference signal is 5-Volts. The sensors then verify this ...This 2010 Chevy Impala has a very intermittent glitch that puts the PCM into REDUCED POWER mode. Quite annoying.Each time it throws a P0641 - 5V Reference #1...2007 Chevy Tahoe LTZ 5.3L

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November 10, 2018 by Jason. P0341 is a somewhat common OBDII diagnostic code in the Chevy Malibu. It means that there is a Range/Performance problem. In layman terms this means that there is a problem with the signal coming from the Camshaft Position Sensor (CPS). OBDII P0341 means that there is a problem with the Camshaft Position Sensor (CPS ...P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand alone module.Oct 17, 2557 BE ... EL VEHICULO NO ACELERA ASTA QC CORRIJE LA FALLA APARENTMNT ES EL ECM O CUERPO D ACELERACION ELECTRONICO.............. SPERO Q SEA D AGRADO ...To fix the p1682 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion. To fix the automobile fault code P1682, follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code.Lean code p0171 chevy malibu 06P0171 malibu chevy code P0641 chevrolet silverado2008 malibu chevrolet autoevolution 2009. P0013 & p0014 fixed fast & easy 2013-2015 chevy malibu 2.5l replace intake & exhaust camshaft2010 malibu 2.4l p0336, p0315 no tach operation, no crankshaft sensor signal from pcm 2010 chevy malibu lt p0641 and c0242 ...Lean code p0171 chevy malibu 06P0171 malibu chevy code P0641 chevrolet silverado2008 malibu chevrolet autoevolution 2009. P0013 & p0014 fixed fast & easy 2013-2015 chevy malibu 2.5l replace intake & exhaust camshaft2010 malibu 2.4l p0336, p0315 no tach operation, no crankshaft sensor signal from pcm 2010 chevy malibu lt p0641 and c0242 ...May 24, 2555 BE ... P0641 5-Volt Reference 1 Circuit P0642 5-Volt Reference 1 Low Voltage P0643 5-Volt Reference 1 High Voltage P0645 Air Conditioning Clutch ...NO SE TRATA DE CAMBIAR PARTES !!! CHEVROLET NO ACELERA P0641 PIERDE FUERZA , en este video te muestro que checar cuando tienes una Chevrolet Silverado Suburb...Code P0641 is set when the engine is running and the PCM detects a voltage out of tolerance condition for more than 2 seconds. Code P0641 is defined as Sensor … 2007 Chevy Tahoe LTZ 5.3L ….

Cargurus malibu properly idling chevy answerMalibu chevy cargurus lt problem ac answers P0641 trouble code gm vehicles — ricks free auto repair advice ricksChevrolet malibu specs & photos. P0171 chevy malibu: fuel trim system lean bank 1Malibu p1682 ignition chevrolet circuit Solenoid evap2013 chevy malibu 2.5 p0010 p0011 p015a …Anyone have this problem - Chevy Malibu Forum: Chevrolet Malibu Forums. Check Details. chevy malibu 2013 "engine power reduced" - YouTube. Check Details. 2007 Escalade Service Stabilitrak & Reduced Power - Code P0641. Check Details. 2014 Chevrolet Malibu - TestDriveNow.com Quick Takes. Check Details. DRL Question... | …CorvetteForum - Chevrolet Corvette Forum Discussion; C6 Corvette, 2005 - 2013; C6 Corvette General Discussion; Throwing codes P0641, P0107 and P0452. Any ideas? C6 Corvette General Discussion General C6 Corvette Discussion not covered in Tech. Sponsored by: ... p0641 is the 5 volt reference circuit A, which is a string of six …Oct 23, 2023 · Code P0641 Chevrolet Tech Notes. Disconnecting one component at a time from the affected 5 Volt reference circuit while observing the scan tool 5 Volt Reference Circuit Status parameter may help locate the fault. The scan tool parameter will change from Malfunction to OK when the source of the fault is disconnected. Chevy is an automobile brand that is well-known all over the world. In the United States of America, it is immensely popular. It first appeared in the US market in late 2013 and quickly became popular in 2014. ... Just like in the Chevy Cruze and Malibu, 7e8 in the Chevy Silverado also indicates towards checking the ECM menu item from which the ...The P0641 code says : "Sensor Reference Voltage A Circuit/Open" and the C0242 code says:" PCM indicated TCS Malfunction - invalid serial data received" . I've had so much trouble navigating all the things that could be wrong.May 24, 2555 BE ... P0641 5-Volt Reference 1 Circuit P0642 5-Volt Reference 1 Low Voltage P0643 5-Volt Reference 1 High Voltage P0645 Air Conditioning Clutch ...Step 4: Test the reference voltage circuit. Next, using a multimeter, test the 5-volt reference circuit to verify if the voltage is out of specification. If the voltage is indeed off, focus on identifying the problematic component within the circuit, as this will likely be the primary cause of the P0641 code.A short to ground or short to voltage on one external 5 Volt reference circuit can affect all the components connected to the same internal 5 Volt reference circuit. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to voltage or ground on any of the 5 Volt reference circuits for greater than 0.5 s. P0641 GMC Code - 5 ... P0641 chevy malibu, Jun 23, 2017 · P0641 - Sensor Reference Voltage A Circuit/Open P2227 - Barometric Pressure Circuit Range/Performance ... Chevrolet Malibu Forums. 269.8K posts 72K members , The automobile fault code P069E indicates a problem with the fuel pump or its control module. The most common symptom is the engine light being illuminated or the service engine soon warning light appearing. This fault code can be caused by a faulty fuel pump, a faulty fuel pump control module, an open or shorted fuel pump control module ..., The P0641 code says : "Sensor Reference Voltage A Circuit/Open" and the C0242 code says:" PCM indicated TCS Malfunction - invalid serial data received" . I've had so much trouble …, Chevrolet Silverado 1500 (New Model) 2019 2019 Equipped with 5.3L L82, 5.3L L84, 6.2L ... P057E P0628 P0629 P0641 P0650 P0651 P066A P066B P066C P066D P066E P066F , Have a 2010 cobalt that has a p0641, p0068, p0102, p0030,p0036,p0053,p0054. I show no flow from maf on scan tool. ... I just bought a 2005 chevy Malibu maxx LS. The vehicle seems to have a small hole in muffler by the way it sounds. There is something rattling in the engine compartment. The problems are: ..., CHEVROLET CRUZE SONIC P0365 CAMSHAFT POSITION SENSOR B CIRCUIT OPEN BANK 1 FIX CHEVY CRUZE SONIC, HOLDEN CRUZEIn this video we will show you what causes cod..., Adress the P0641 code for the ultimate in automotive care. Discover how this code can enhance your driving experience and ensure vehicle's optimal performance. ... Here are some car models that are most likely to be affected by the code P0641: Chevy Impala: The 2006 and 2007 model years of the Chevrolet Impala are known for issues …, Three wires off the PCM are not connecting properly., Get ratings and reviews for the top 7 home warranty companies in Chevy Chase, MD. Helping you find the best home warranty companies for the job. Expert Advice On Improving Your Hom..., I have a 2015 Chevy Malibu lt it has a engine power reduced message on the dash. The code it’s throwing is P2138 - Answered by a verified Chevy Mechanic ... P0641 also. getting trouble codes P0449, P0014, P2135, P2138, P0641 also getting C0040, C0455, C0131, C0244, and U1064, U1016. any advise ? ..., The expansion for a P0641 code on the Chevrolet Impala is Sensor Reference Voltage "A" Circuit Open. Was that as clear as mud OK, so what it's saying is that the powertrain control module (PCM) basically supplies a reference voltage to the various onboard sensors (the same way a desktop computer does to its ports) at, say, 5 volts. The sensors verify this voltage signal in reference to ... , Labor: 1.0. To diagnose the C0242 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., P0641 reduce engine power traction control light on. 2011 chevrolet malibu. Changed the bears front and rear the MAP - Answered by a verified Chevy Mechanic ... I have 2008 Chevy Malibu with less than 120,000 miles & codes P0013 exhaust CMP, P0121 & P2135 check engine light & power failure on instrument panel., We would like to show you a description here but the site won’t allow us., 0n a 2014 chevy malibu with a 2.5l engine The 5v reference wire off the ecu for the map sensor is that on the top,the - Answered by a verified Chevy Mechanic. ... I have a Hummer 2004 H2 and I am getting P0641 code and my oilpressure gauge is reading higher than it should., Labor: 1.0. The cost to diagnose the P0641 2018 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P0641 2018 Chevrolet Silverado ... , Mar 4, 2018 · Kevin Gainer. Automotive Mechanic. 35 years of experience. There are two 5 volt reference circuits for vehicle sensors (denoted circuit 1 and 2) each of which are monitored by the vehicle computer. When the code P0614 sets that means that the voltage on Circuit No. 1 is out of range (too far off from the nominal 5 volts), high or low. , Apr 19, 2564 BE ... Comments2 ; Fixing vehicle that dies out. P0641. Oz Mechanics · 76K views ; (Chevy Tahoe) P0641 Shorted 5V Reference 1 Circuit Quick Tips. Eli ..., Expert 224 Answers. Posted on Oct 09, 2014. Possible causes. - Faulty Engine Control Module (ECM) - ECM harness is open or shorted. - ECM circuit poor electrical connection. - Shorted sensor on 5 volt circuit., 2008 Chevrolet Malibu LT Vehicle Type: front-engine, front-wheel-drive, 5-passenger, 4-door sedan. PRICE AS TESTED $21,140 (base price: $20,955) ENGINE TYPE, Check engine light repair and might be in reduce engine power. Repair is to reprogram ecm, November 10, 2018 by Jason. P0341 is a somewhat common OBDII diagnostic code in the Chevy Malibu. It means that there is a Range/Performance problem. In layman terms this means that there is a problem with the signal coming from the Camshaft Position Sensor (CPS). OBDII P0341 means that there is a problem with the Camshaft Position Sensor …, CHEVROLET CRUZE SONIC P0365 CAMSHAFT POSITION SENSOR B CIRCUIT OPEN BANK 1 FIX CHEVY CRUZE SONIC, HOLDEN CRUZEIn this video we will show you what causes cod..., The ECM also has a dedicated replicated Camshaft Position Sensor signal output circuit that may be used as an input signal to other modules for monitoring engine RPM. The Diagnostic Trouble Code (DTC) will be set when the ECM does not receive less than 4 pulses from the Camshaft Position Sensor during 2 engine revolutions. P0341 …, Alright so I have read this entire thread and Im having a very similar issue. Im getting the following codes. P0641 (sensor reference voltage a circuit/open) P0452 (evap pressure sensor) P0107 (map sensor open low efi) P0522 (engine oil pressure sensor) I checked the MAP and as expected not reading 5V... I checked the wires directly …, I got this off a silverado forum: [FONT=&quot]"P0641 is a 5 volt reference circuit 1 code. [/FONT] I can tell you from personal experience a P0641 is a nightmare. That 5v reference circuit runs about 12 different sensors. Most of the cases I have work on have turned out to be chafed wires near the ECM., Jun 2, 2022 · Code P0641 stands for Sensor Reference Voltage 'A' Circuit Open. In the event of a sensor reference “A” malfunction, a trouble code will be stored and a service engine soon lamp may be illuminated. PCM supplies a reference voltage to many of the onboard sensors. Typically, this reference signal is 5-Volts. The sensors then verify this ... , 2007 chevrolet tahoe lt 4x4Code p0641 quick fix and inspection Sensor map chevy location p0641 code replace vortecTahoe mathison. Tahoe chevroletMap sensor location remove replace chevy 5.3 vortec code p0641 and How to replacement 2018 chevrolet tahoe knock sensor (tagalog)Ultimate autos: 2011 chevrolet tahoe. Check Details, Sep 25, 2023 · The code p0641 can be triggered by various issues, including: Web p0141 is a very common obdii code that occurs in the chevy malibu. When the issue happens, the check engine. Web We Had A Customer Call With A Complaint Of Car Losing Power And Code Being Present It Was P0641 Which Is Loss Of Power Traction Control Malfunction. , I understand that the P0641 is technically described as Sensor Reference Voltage “A” Circuit Open. This code indicates that a fault has been detected in the …, P0641 Chevrolet Silverado Check Details Reduced engine power, codes p0108 and p0641. P0641 and p2135 power reducedHhr reduced p0641 2008 power answers Tapatalk p2135 utilisant envoyéP0641 code tahoe gmc fuel cadillac escalade chevy tahoeyukonforum. Cobalt p0340 camshaft 2325 95f8 4d74Impala eop issues, …, This 2008 Chevrolet HHR came in with the complaint that the check engine light would come on, the reduced power message would display and the car would no longer accelerate. There was a code P0641 stored. The code p0641 means that the 5 volt reference is outside of the 4.8 to 5.2 voltage range needed to keep the PCM happy., - Camshaft position sensor. - Engine oil pressure sensor. - Fuel pressure sensor. - Fuel rail pressure sensor. - Fuel tank pressure sensor. - Multifunction intake air sensor. User Submitted Video. ⚠ Does your Chevrolet have Safety Recalls? → Check here. How to Fix the DTC P0641 Chevrolet? Check the 'Possible Causes' listed above.