P0641 chevy malibu

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 ...

P0641 chevy malibu. P0841 is a relatively common trouble code. While your Chevy Malibu's check engine light will come on, this particular code indicates that there's something wrong with the transmission, specifically the transmission fluid pressure sensor circuit. It's a generic code, so P0841 has the same definition for any vehicle made for the 1996 model year and.

Sep 9, 2566 BE ... This Chevy INTERMITTENTLY goes into REDUCED ENGINE POWER limp mode...but I CANNOT recreate the customer complaint...It runs great! The P0641 ...

The fault code P0641 can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. Fixing Code P0641: Simple Steps To Resolve The Issue! Causes. Common causes for this code include: Faulty Sensor. Damaged, corroded, broken or loose wiring and connectors. Poor electrical connection. Inoperative or blown fuses. Defective system power. Failed …#1 · Sep 9, 2023 (Edited) UPDATE- I cleared the codes and now every time I check the codes it's just showing the P0192 and the P0641. So from what I've gathered it seems …Labor: 1.0. To diagnose the P0641 GMC 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.DTC P0651, P0652, P0653, P0697, P0698, or P0699 should not be set. If a DTC is set, refer to DTC P0641-P0643, P0651-P0653, or P0697-P0699. Observe the scan tool APP Sensor voltage parameters. Verify both of the APP sensor voltages are between 0.74-4.82 V.

Multiple codes but only returning hard faults are p0641,p0651, p0697, p06a3, p2230, p262b. reference - Answered by a verified Chevy Mechanic. ... 2012 chevy Malibu 2.4l ecotec. 192k miles. Took throttle body off to clean, put back on. High idle. 3,200rpm. Did the 3 min on, ...P0641, P0651, and P0697. These DTCs set when the ECM detects a voltage out of tolerance condition on the 5-volt reference 1, 2 or 3 bus for more than 3 seconds. P0642, P0652, and P0698. These DTCs set when the ECM detects a low voltage condition on the 5-volt reference 1, 2, or 3 bus for more than 3 seconds. P0643, P0653, and P0699.P0641 - Sensor Reference Voltage A Circuit/Open P2227 - Barometric Pressure Circuit Range/Performance ... Chevrolet Malibu Forums. 269.8K posts 72K membersChevy silverado p0641 volt circuit 8ecd 19e1 473a P0641 silverado intermittent 2008 07 silverado p0641 circuit 1 5 volt ref. truck wont start, yes, it Gmc yukon code 2008 p0641 reduced power answers stored mode sparkys loom …Reduced Engine Power & P0641 Code. Stabilitrak, traction control, and engine power reduced shown. Truck ran great for 2 months after it underwent everything above. Was driving home from work one day, about 5 minutes into the drive and the truck flashed stabilitrak, traction control, and reduced power.

P0641 error code indicates voltage issues in the “A” reference circuit of Chevy Malibus. P0641 is almost always stored with another code. This code should tell you which sensor is not providing reference voltage. Identifying symptoms and causes helps …The c0561 71 Chevy is a typical powertrain code encountered in various GMC models, such as the Chevy Silverado, Chevy Malibu, Chevy Traverse, and Chevy Tahoe. It can also be seen in other General Motors vehicles like the Buick Enclave, GMC Acadia, and GMC Yukon. This code typically indicates an issue with the vehicle's brake …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 …P0841 is a relatively common trouble code. While your Chevy Malibu's check engine light will come on, this particular code indicates that there's something wrong with the transmission, specifically the transmission fluid pressure sensor circuit. It's a generic code, so P0841 has the same definition for any vehicle made for the 1996 model …

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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 particular; designado en este caso como “A”. Al diagnosticar un código OBD-II, el término abierto podría sustituirse por ausente. Síntomas de la falla P0641Labor: 1.0. To diagnose the P0641 Pontiac 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.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.Sparky's Answers - 2008 Chevrolet HHR-Reduced Power-Code P0641. Check Details. Reduced p0108 codes. P0641 p2135 reduced power thank gmcSilverado p0641 2008 intermittent reduced power Gm chevy truck: "reduced engine power" case study -part 12008 silverado p0641 and p0532 intermittent engine reduced power and.

May 20, 2564 BE ... 2010 Chevy Impala Vacuum Leak P0171, P0496,P0523 · 2011 Chevy Malibu p2135 p0121 Power Reduced Mode - Fix it - · 2006 Chevy impala 3.5 (P0641)&nbs...The meaning of fault code P0641 is: Sensor Reference Voltage A Circuit Open. Find out what exactly this means, the symptoms and causes of the code P0641 and how to fix the malfunction. Most viewed car repair videos How to change front wheel bearing on MERCEDES-BENZ M W163 TUTORIAL | AUTODOC 142K views Published on: …A logged P0463 code means that a high voltage signal is detected from the fuel level sensor, resulting in inaccurate fuel gauge readings. A faulty fuel level sensor circuit or sending unit, damaged body computer, PCM issues, and a faulty smart fuse box are common reasons why this code is triggered. Aside from inaccurate fuel level …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.The Inflatable Restraint Sensing and Diagnostic Module uses the Multi-Axis Acceleration Sensor to determine if the vehicle is in a rollover or near collision incident. The Diagnostic Trouble Code (DTC) will be set if the Yaw Rate signal is out of the specified range. C0196 Chevrolet Code - Yaw Rate Signal.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 ...December 10, 2021 by Jason. P0601 is a somewhat rare OBD2 trouble code. It’s a generic code (it has the same meaning for the Chevy Malibu as it would any other vehicle). …Summary. 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.Jan 26, 2564 BE ... Comments8 ; 08 Chevy Silverado P0651 5V Ref2 Open. Ralf's Automotive Diagnostics & Repair · 13K views ; (Chevy Tahoe) P0641 Shorted 5V Reference ...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.

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#1 · Sep 9, 2023 (Edited) UPDATE- I cleared the codes and now every time I check the codes it's just showing the P0192 and the P0641. So from what I've gathered it seems …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 ...**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...Aug 21, 2023 · 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. Jul 17, 2022 · To diagnose the P0641 2016 Chevrolet Silverado 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. The fault code P0641 can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. Fixing Code P0641: Simple Steps To Resolve The Issue!To add coolant to a Chevy Malibu, dilute the coolant with equal parts coolant and water, then pour the coolant-water mixture into the vehicle’s coolant reservoir. The coolant reser...Sparky's Answers - 2008 Chevrolet HHR-Reduced Power-Code P0641. Check Details. Reduced p0108 codes. P0641 p2135 reduced power thank gmcSilverado p0641 2008 intermittent reduced power Gm chevy truck: "reduced engine power" case study -part 12008 silverado p0641 and p0532 intermittent engine reduced power and.Jul 31, 2553 BE ... Uplander - Uplander "Reduced Engine Power" - Have an engine light on and display is saying REDUCED ENGINE POWER .P0641 code hhr reduced chevrolet 2008 power answersP0171 chevy silverado diagnosis and explanation Silverado chevy code p0171 p0442 p0121 p0304 misfire defined trouble common relativelySilverado chevy battery replacing wont. Map sensor location 5.3 chevySilverado 2dr 4x2 trims tacoma drain americanlisted p0172 p0175 laramie unlock …

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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 …Cobalt camshaft 2325 95f8 4d74 Engine power is reduced chevy malibu how to fix: a comprehensive guide Need 2003 silverado / sierra engine ground locations. ... P0641 chevy silverado reduced engine power. Tahoe p0121 3lHow to fix reduced engine power chevy silverado Chevy 6.0 engine problems: the good, the bad, the fixableYukon …P0641 chevrolet silverado. Cobalt camshaft 95f8 2325 4d742008 silverado p0641 and p0532 intermittent engine reduced power and فقدان دوسة الوقود بعض الاحيان chevrolet silverado 2007 p0641P0641 code 2008 gmc yukon silverado reduced power stored mode sparkys answers. Solved: po641 reduced engine power 07 silveradoGmc yukon stored …390. 47K views 5 years ago. 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 … Code P0641 stands for Sensor Reference Voltage 'A' Circuit Open. The vehicle's computer, the powertrain control module (PCM), supplies a reference voltage to many of the onboard sensors. Typically, this reference signal is 5-Volts. The sensors then verify this voltage signal in accordance with whatever they're measuring and send it back to the PCM. P0641 chevrolet silverado. Cobalt camshaft 95f8 2325 4d742008 silverado p0641 and p0532 intermittent engine reduced power and فقدان دوسة الوقود بعض الاحيان chevrolet silverado 2007 p0641P0641 code 2008 gmc yukon silverado reduced power stored mode sparkys answers. Solved: po641 reduced engine power 07 silveradoGmc yukon stored …Jan 21, 2563 BE ... CHEVY P0621 p0622. 33K ... CAR DOES NOT CRANK DOES NOT START CHEVY, CHEVROLET, BUICK, GMC, CADILLAC ... P0641. Oz Mechanics•76K views · 12:02. Go to ...I HAVE A 2010 CHEVY MALIBU 4 CYLINDER, I HAVE CODES P0411 AND 2440..... I REPLACED THE AIR INJECTION SOLENOID VALVE.... - Answered by a verified Chevy Mechanic ... P0352, P0353, P0354, P0412, P0418, P0420, P0601, P0602, P0603, P0604, P0606, P0607, P062F, P0641, P0651, or P2101 is not set. The ignition voltage is …In this repair video we go thru identifying the cause of both a P0641 and C0561 diagnostic trouble code (DTC) being present, along with _SERVICE TRACTION_ an...Ron Nielson. 10681 posts · Joined 2009. #2 · Feb 14, 2022. If you still need it, here is more info. P0641 - Chevrolet Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different. 2008 Silverado LT, Crew Cab ...Consider checking for wiring issues in the harness near the cooling fans, especially where it passes by AC lines. Final Fix: The final fix for the issue was to replace the ECM (Engine Control Module) with another one, which resolved the problem. Service case 2: Chevrolet P0641. Service case 3: Chevrolet P0641.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. ….

The fault code P0641 can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. Fixing Code P0641: Simple Steps To Resolve The Issue!Three wires off the PCM are not connecting properly.As I was driving today, most of the day was good. Then as I was turning a corner, the yukon just died. I get all the dic messages, but borrowing a code reader yielded P0641. According to the autozone print out I should replace the fuel pump control module. Does this sound credible? I currently...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...2LT. 2LT is the ultimate Malibu, with luxury, comfort and tech features. In addition to or replacing LT features, 2LT includes: 19-inch aluminum wheels. 6-way power passenger seat. Chevrolet Infotainment 3 system with Navigation†. LED headlamps. Compare. The 2024 Chevy Malibu Mid-Size Family Car is equipped with eye-catching exterior design ...Aug 21, 2023 · Step 3: Inspect sensors and wiring harness. Inspect all the sensors associated with the P0641 code, making sure to check for any visible damage, corrosion, or loose connections. Additionally, examine the wiring harness and connectors for signs of wear or disconnections, as these could also contribute to the problem. Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain P0641 Problem diagnosed as bad ECM by GM Service SHop ... The check engine oof course lit up and the code it gave is P0641. Back last year I had a problem where my truck was idling in the driveway (cold winter morning) and it began idling a …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. P0641 chevy malibu, Consider checking for wiring issues in the harness near the cooling fans, especially where it passes by AC lines. Final Fix: The final fix for the issue was to replace the ECM (Engine Control Module) with another one, which resolved the problem. Service case 2: Chevrolet P0641. Service case 3: Chevrolet P0641., A prevalent issue with the Chevy Malibu is the P0446 code. This code corresponds to a specific number obtained when connecting your Malibu to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Table of Contents Definition Symptoms Causes Diagnosis How to Fix P0446 Definition P0446 is a standard OBDII trouble code,, 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 Chevy Malibu. Knock tahoe P0455 malibu. 06 May 2023. Chevy malibu p0014: camshaft position b → over advanced → bank 1 Chevrolet cobaltp0641 1998 chevrolet malibu. 1998 Chevrolet Malibu - code p0113 car dont start and when it does runs Ecm ricksfreeautorepairadvice Malibu p0107., 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:, Dec 28, 2023 · Consider checking for wiring issues in the harness near the cooling fans, especially where it passes by AC lines. Final Fix: The final fix for the issue was to replace the ECM (Engine Control Module) with another one, which resolved the problem. Service case 2: Chevrolet P0641. Service case 3: Chevrolet P0641. , 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 ... , 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. after ta..., Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain P0641 Problem diagnosed as bad ECM by GM Service SHop ... The check engine oof course lit up and the code it gave is P0641. Back last year I had a problem where my truck was idling in the driveway (cold winter morning) and it began idling a …, 2009 Chevrolet Silverado codes p0641, p06A6, and p069E I have A 2009 Silverado and the check engine light is on. I read the codes and they are p0641 (5 volt reference voltage incorrect), p06A6, and p069E(Fuel pump control module requested MIL illumination). These codes also came up again as pending. Has anyone seen all of these codes together ..., P0641 Chevy Malibu. Knock tahoe P0455 malibu. 06 May 2023. Chevy malibu p0014: camshaft position b → over advanced → bank 1 Chevrolet cobaltp0641 1998 chevrolet malibu. 1998 Chevrolet Malibu - code p0113 car dont start and when it does runs Ecm ricksfreeautorepairadvice Malibu p0107., Apr 19, 2021 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ... , 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 ..., 2005 Chevrolet 5.3L with code P0641, what place do you check 5 volts ..., 1998 chevrolet malibu2016 chevy spark code p0641 p0651 p0697 and p06a3 P0641 chevrolet silverado2008 malibu chevrolet autoevolution 2009. Malibu p0113I hav e 2009 malibu 3.5 v6 engine, it starts fine when cold and 15 2010 chevy malibu ltz p0442 codeChevy malibu intermittent no crank no start p0615 diagnosis & fix., 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 ..., Having it not start was an issue before, and the first readings showed 2 cam sensors, as well as the P00641. Since it still wasn't starting and the temps were sub-zero here along with the battery being over 6 years old, we thought the battery could stand to be changed, also in hopes that it would help it start., Mar 15, 2022 · 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... , MAP Sensor Location Replacement Chevrolet Chevy 5.3 liter Vortec engine. Solves Code P0641 and P0101 200020012002200320042005200620072008, P0641 Sensor Reference Voltage A Circuit Open. OBD-II Trouble Code Technical Description. Article by. Stephen Darby. ASE Certified Technician. Sensor Reference …, REDUCED POWER! (GM Intermittent P0641) Pine Hollow Auto Diagnostics. 197K subscribers. Subscribed. 3.6K. 76K views 1 year ago. This 2010 Chevy Impala has …, Labor: 1.0. To diagnose the P0641 Pontiac 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., 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, To add coolant to a Chevy Malibu, dilute the coolant with equal parts coolant and water, then pour the coolant-water mixture into the vehicle’s coolant reservoir. The coolant reser..., Aug 21, 2019 · 1727 posts · Joined 2016. #2 · Aug 23, 2019. A bunch of sensors are all connected via the CAN bus system. The generic code p0641 means there's a problem somewhere in that circuit, but it doesn't really pin point the specific sensor. The problem could be anywhere along the line, including the ECU. , Generalmente este código viene acompañado por otros códigos de fallas. El código P0641 es común en: Audi, Cadillac Escalade, Chevrolet Chevy, Chevrolet Cobalt, Chevrolet Impala, Chevrolet Malibu, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, Chevrolet TrailBlazer, Chevrolet Uplander, GMC Acadia, GMC Sierra, GMC Yukon, Honda ..., Got a P06DE code on your Malibu? This was our fix on a 2013 Chevy Malibu with a 2.4l non-turbo. The Oil Pump Control Valve / Solenoid or the oil pressure sen..., Jun 7, 2012 · DTC P0651, P0652, P0653, P0697, P0698, or P0699 should not be set. If a DTC is set, refer to DTC P0641-P0643, P0651-P0653, or P0697-P0699. Observe the scan tool APP Sensor voltage parameters. Verify both of the APP sensor voltages are between 0.74-4.82 V. , 1998 chevrolet malibu2016 chevy spark code p0641 p0651 p0697 and p06a3 P0641 chevrolet silverado2008 malibu chevrolet autoevolution 2009. Malibu p0113I hav e 2009 malibu 3.5 v6 engine, it starts fine when cold and 15 2010 chevy malibu ltz p0442 codeChevy malibu intermittent no crank no start p0615 diagnosis & fix., Summary. 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., Best answer. P0641 5- volts reference 1 circuit. what P0641 is the 5 volt reference 1circuit to certain component on its circuit, circuit 1 are , as listed, Circuit 1 component are APP sensor, a/c pressure sensor, fuel tank pressure sensor , MAP sensor, EOP sensor, camshaft position sensor, If any of these sensor short to power its reference ..., Aug 21, 2019 · 1727 posts · Joined 2016. #2 · Aug 23, 2019. A bunch of sensors are all connected via the CAN bus system. The generic code p0641 means there's a problem somewhere in that circuit, but it doesn't really pin point the specific sensor. The problem could be anywhere along the line, including the ECU. , 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 ? ...