P0449 Gmc Acadia GMC Acadia SLT: evap canister vent valve solenoid, 2007 gmc… evap canister vent valve solenoid, 2007 gmc acaida, where is it located and how do you replace it? Also where is the canister located and is there an easy way to drain the canister? Mar 30, 2025 · P0449 - EVAP System Vent Valve Control Circuit Open P0452 - EVAP System Pressure Sensor / Switch Circuit Low P0463 - Fuel Level Sensor "A" Circuit High U0074 - Control Module Communication Bus "B" Off U18A2 - Lost comm, Can someone tell me where it is located? How hard is it to change? It is a 2008 SLT, I know the purge valve is under Detailed information on diagnosing and repairing a P0449 DTC code which refers to a malfunction with the EVAP vent valve solenoid circuit, Detailed repair manual for the 2008 GMC Acadia AWD V6-3, The ECM monitors the status of the DTC P0449, P0498, or P0499Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure, Verify that both the ON, and the OFF states are commanded, To the best of my understanding, P0449 is an electrical malfunction, typically due to a fried solenoid, ” It’s logged when the PCM detects that the evaporative emission system vent valve is venting when it shouldn’t, 6L V6 TRQ 856K subscribers Subscribe 08 Acadia SLT 2WD, getting code p0449, GMC Truck Acadia - 2WD 2009 For 1990-2009 cars only Detailed repair manual for the 2012 GMC Acadia AWD V6-3, The EVAP system deals directly with fuel vapors, org/symptoms-of-a-bad-purge-valve/Video ho, An example of the original, and the retro-fit, evaporative emission canister vent hose are shown in the graphic above, Detailed repair manual for the 2008 GMC Truck Acadia AWD V6-3, How to Test the GMC Acadia Purge Valve The purge valve can be tested in a GMC Acadia by unplugging the two connections, starting the vehicle, and seeing if there is a vacuum, Síntomas, causas y soluciones! ☝ Este código DTC afecta al MOTOR Y TREN MOTRIZ, pero, ¿Dónde exactamente? Entra! Oct 26, 2011 · P0449 Code, 2008 GMC Sierra 5, 7L 4x4 6" lift 35" tires 1988 K2500 Parts Only 1983 c2500 6, I've had the purge valve replaced twice in the last couple months, The issue seems to be on the ECM-controlled ground side of the circuit, 2 is throwing P0449 and p0455 codes, Camshaft Position Timing Camshaft position timing how your GMC Acadia’s intake and exhaust valves close relative to the location of the crankshaft, 37K subscribers Subscribe Jul 16, 2024 · Code P0449 stands for “Evaporative System Vent Control Circuit Malfunction, I have tried to scour other threads for info, Was driving yesterday & all the electronics,gauges, radio, dvd player in the dashboard started going haywire Turned car off & restarted & was fine to drive 15 min, A faulty vent valve, wiring issues, or a blown fuse can cause this trouble code to appear, Aug 19, 2024 · Inspect the vent solenoid valve, wiring, and connectors for any signs of damage or wear, I had purchased extra warranty but there is a $200 deductible, Anybody had this code before? Mar 5, 2025 · Discover the underlying causes of the P0449 code, from faulty vent solenoid valves to wiring issues, and learn how to diagnose and repair the problem, Detailed repair manual for the 2010 GMC Truck Acadia FWD V6-3, Catalyst system efficiency is the Feb 13, 2013 · DTC P0443 or P0449 is Evaporative Emission (EVAP) Purge/Vent Solenoid Control Circuit, About a month later, the check engine light came on, * Review Strategy Based Diagnosis (Strategy Based Diagnosis) for an overview of the diagnostic approach, I took it to Autozone who diagnosed code P0449, Where on the vehicle is the vent valve (GM part #84802774) located? On older models it was on top of the fuel tank, but this doesn't Feb 16, 2012 · Hi all, Autozone scaned my car and came up with code p0449 and said it was the vent valve solenoid, Last, the powertrain P0449 With the ignition ON and the engine OFF, command the EVAP vent solenoid ON and OFF with a scan tool, https://www, Runs perfect even with the engine light, no problem at P0449 With the ignition ON and the engine OFF, command the EVAP vent solenoid ON and OFF with a scan tool, Inspect the solenoid for electrical faults or blockages, Dec 31, 2013 · Before you do all that work to replace the Vent solenoid, try what I did which was successful in clearing the check engine light, Suggestions? -K Come along with Eric O at the SMA shope as he diagnoses and repairs this GMC Sierra that came in with a check engine light on and a DTC P0449 "Evaporative Emission (EVAP) Vent Solenoid Control Mar 8, 2015 · I have a P0449 code on my car, A faulty evaporative system vent valve solenoid, connector pin fit issues, vent valve circuit problems, malfunctioning circuits, faulty electrical connections, and PCM problems could GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer", 2L 4x4 1991 1500 5, Test light between terminals A and B does not light, Jun 16, 2025 · Hi everyone, I’m chasing down a persistent P0449 code on my 2016 Equinox LT, 2, Jul 9, 2020 · In the last three weeks, my 2015 SLT has kicked out two P0442 codes, Am I being scammed? This GMC Acadia 2008 is always getting work done, Jul 27, 2018 · GMC Acadia P0420 OBDII Code Defined P0420 is generic (has the same meaning for all vehicles made in 1996+) OBDII trouble code, Fuse is Feb 26, 2025 · What Is the P0455 Trouble Code The P0455 trouble code indicates that the vehicle’s onboard diagnostics system has detected a large leak in the evaporative emissions control system, 0L Engine, Enjoy! I have a 2010 GMC Acadia with the code p0449, Codes P0017, P0449, P0660, P2070, P2078, Acadia often faces EVAP system leaks and faulty vent solenoids causing P0449 codes, Once replaced, the check engine light disappears for about 3 weeks, comes back on, and they have to replace the purge valve again, 99 , Part of this is tending to a few DTC’s that I’ve been putting off, Therefore, the first step is to check the fuses because the vent solenoid might be powered by one, meaning that your solution might be as simple as replacing a fuse, 9K views 2 replies 3 participants last post by goodboyjdpr Mar 2, 2023 Frankaraho Discussion starter 1 post · Joined 2023 #1 ·Feb 24, 2023 Can someone point me to the location of the PCV valve on a 2017 Denali 3, Getting ready to drop fuel tank and check sensors, valves, etc, If a See our full guide on the P0449 code, I replaced the EVAP solenoid by the gas tank and changed the vent valve under the hood, but I'm still getting the code immediately after resetting it, The system collects fuel vapors via a canister filled with active charcoal, DTC codes P0499, P0498, and P0449 indicate EVAP system purge flow faults, The ECM grounds the EVAP canister vent solenoid valve control circuit to close the valve by means of an internal switch called a driver, The p0455 large leak, the p0449 or p0446 vent control circuit and even The P0498 GMC code indicates a problem with the Evaporative Emission System Vent Valve Control Circuit, -Replaced FPCM, Mechanic's Assistant: Have you encountered this code before? Have you attempted a hard reset? Customer: How do I perform a hard reset? Mechanic's Assistant: What is the model and year of your GMC? Customer: It's a P0449 With the ignition ON and the engine OFF, command the EVAP vent solenoid ON and OFF with a scan tool, This valve plays a crucial role in managing fuel vapors from your vehicle’s gas tank, preventing them from escaping into the atmosphere, When the system detects that DTC P0449, P0498, or P0499Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure, DTC P0449, P0498, or P0499 should not set, Jul 31, 2018 · Hey folks, I've got the infamous P0449, so I've done the normal "throw parts at it" solution with no success, Was curious if there is any chance this issue could be simply a bad fuse? Any thoughts Check engine light is illuminated with code P0449 from scan tool (Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction), backyardmechanic, I replace the Purge solenoid but that did 2019 - 2023 GMC Sierra P0498,P0449,P0499 EVAP vent solenoid circuit low P0455 Trouble Code: Evaporative Emission System Leak Detected (The Most Common Causes) Customer: I have a 2008 GMC Acadia and the check engine is on and is showing code P0449 Mechanic's Assistant: Do you have a scan tool to read the codes? Customer: I have a FIXD and that is how got the P0449 code Mechanic's Assistant: How often do you drive your Acadia? Customer: Every other day Mechanic's Assistant: The Mechanic will know how to help, with a P0449 code according to a borrowed reader from Auto Zone, This system is responsible for regulating the timing of the exhaust camshaft in relation to the crankshaft, ensuring optimal engine performance, GMC Truck Acadia - AWD 2009 For 1990-2009 cars only The GMC Acadia has the purge valve located at the front of the engine on the driver-side, Nov 3, 2023 · If your car's ECU throws a P0449 trouble code, the issue is minor but you still want to take care of it, Here’s the technical definition for your vehicle: P0420: Catalyst System Efficiency Below Threshold (Bank 1) Catalyst System Efficiency Your Acadia’s exhaust contains hydrocarbons, carbon monoxide, and other harmful gasses, said that the code was P0449 and that we needed part #20907779 plus a hose for a total fix of $432 ACDelco shows that part costing $81, 2007, engine light has been on now for about 3 weeks, The scan tool displays the commanded state of the EVAP canister vent solenoid valve as ON or OFF, I have read on the internet that this is fairly common Aug 27, 2018 · Hi - brand new to forum, 2L 4x2 1983 K20 6, If these vapors leak from the system, you’ll often smell them faintly while May 20, 2013 · Engine light was on, P0449 code indicates an issue with the EVAP system vent valve control circuit, Aug 19, 2025 · Wife's 2012 equinox 2, Did a bit of reading concerning this code and am pointed in direction of replacing EVAP Vent Solenoid, While it's unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your Jan 14, 2025 · P0449 Error Code: Evaporative Emission Control System Vent Control Circuit Malfunction due to an electrical issue or trouble in a related system, in this video I'm gonna share with you how to diagnose and Fix the cause of a P0449 Trouble code On a GMC/CHEVY truck with a 6, Find out what you can do next to solve the problem you are experiencing, ODB2 code shows P0449, First, the vent valve in the evaporative emissions system might be faulty, You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data, 6 P0449 EVAP VENT SOLENOID CONTROL cjuanchy 5, They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle, Most instances it is this Solenoid Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube, Nov 12, 2021 · Help! Check engine light is on again, 3 Jump to Latest 165K views 60 replies 23 participants last post by Duper66 Dec 8, 2017 N DTC P0449, P0498, or P0499, A quick way to test if the Evap Purge Valve is working or has failed, I tried with my code scanner and it all but yelled back at me "to bad, I'm not clearing 2008 GMC Acadia P0449 & P0455 Codes with Dashboard Malfunctions Acadia often faces EVAP system leaks and intermittent electrical issues affecting dashboard electronics, P0449 is a diagnostic trouble code (DTC) for "Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction", I see that there is a canister purge valve and vent valve so I just ordered both, There's got to be something else going on Jul 7, 2025 · I have a 2018 with the 3, The solenoid does not respond to scan tool command, How to Replace Vapor Canister Purge Solenoid Valve 2017-2024 GMC Acadia 3, Nov 12, 2014 · I have a 2008 GMC Acadia that was throwing a code relating to the purge valve solenoid under the hood, Got a P0499 code for canister vent solenoid circuit, Brought to dealer, Anything else you want them to know before In this video we replace the vent valve on the fuel tank of a 2007 GMC Acadia, The purpose of the EVAP system is to absorb fuel vapor from the fuel tank to prevent it from being released into the atmosphere, which is environmentally damaging, A filter may be installed between the EVAP canister and air inlet, to correct this Condition, Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely, May 7, 2020 · The check engine light came on and it set a p0449 DTC, I ordered the part back at the beginning of summer and replaced, Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset, Learn possible causes, symptoms, and troubleshooting tips for P0449, A P0449 code indicates a malfunction in this solenoid, which controls vapor flow, Runs great w/ CEL and P0449 code on scanner, Ck, Unplug the two connections, the electrical and the hose, 7L 4x4 1967 C10 Currently in long term restoration process The most effective tool in the world to stop a bad guy with a gun is a good guy with a gun! - I Am a Sheepdog! 2019 GMC Sierra 1500 SLT: Diagnosing DTC P0499, P0498, P0449 Codes Sierra 1500 often faces EVAP system leaks and faulty purge valve issues causing check engine lights, If you encounter a vehicle with the above concern, please provide the warranty parts for complete canister assemblies that apply to the DTC codes specified above and has one of the following leak conditions, Test the solenoid valve for proper operation and replace if necessary, More specifically, you can find them on the chassis rear cross member, above the spare tire, which is recommended to be Apr 2, 2011 · The "Check Engine" light in my 2008 Acadia recently came on, 2008 Acadia w/ 149600 miles, Here's what to look for and how to fix code P0449 Nov 28, 2023 · I have changed the Catalytic Converters twice on my 2010 GMC Acadia SLT but the Error codes keep coming back for Bank 1 and 2 Any ideas? Resolutions? Thanks May 7, 2020 · Re: P0449 on 2007 Acadia I've replaced the gas cap, vapor canister purge valve (under the hood), and the canister valve solenoid (on top of gas tank) but still no luck, Detailed repair manual for the 2013 GMC Acadia AWD V6-3, with FPCM, Check the purge valve solenoid for proper operation and wiring integrity, Before I order a new Feb 24, 2023 · Jump to Latest 4, Check engine light is illuminated with code P0449 from scan tool (Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction), After the first time, I thought it might be a loose gas cap, but when it came back the 2nd time after a fuel-up, I figure something else was going on, Code immediately returns after clearing (before even starting the vehicle) -which to me would point towards a Hey I need some help with my 2015 Acadia sle, Understand the P0449 OBD-II code indicating an Evaporative Emission System malfunction, Here's exactly what you need to do to fix it, Sometimes the problem is the vent itself, but it can also be caused by electrical resistance or another mechanical malfunction, I believe this is Detailed repair manual for the 2012 GMC Acadia AWD V6-3, The guy said it was a faulty evap flow due to a failed solenoid, You should particularly notice the smell of fuel around the fuel tank area or fuel filler tube, Jan 4, 2021 · Evap Canister Vent Solenoid Valve Assembly P0449 for 2004-2010 Chevy Silverado GMC Sierra 1500 2500 3500 HD Classic Vapor Canister Vent Solenoid 19207763 911-237 10357992 CVS34 No description has been added to this video, Is this located on the intake somewhere or does it have a charcoal filter underneath like pickups do? Sorry I haven't had much time to actually look at the vehicle, Dec 3, 2021 · I have been getting code p0449 on my car, more P0449 Battery voltage is supplied to the EVAP canister vent solenoid valve, Clear the code from the PCM memory and perform a test drive to ensure the issue has been resolved, Second, the connection, wires, or circuits in the system might be having a connectivity issue that is causing a false reading, Couple weeks got the P0449 code so replace the vent solenoid, cleared the code, everything seemed fine, I have already replaced the vent solenoid, would the next step be replacing the canister? What Are the Causes of P0449? While some trouble codes leave vehicle owners with a plethora of possible causes, the P0449 code likely only has one of three possible causes, In most GMC SUVs that tend to suffer from P0449-related issues, both the valve and canister are fitted near the fuel tank, -Replaced fuel sender assembly, Thanks, Dannie Popular GMC Acadia fault codes along with an explanation of their meanings, P0449 code causing your check engine light to come on? This video will show you how to diagnose and troubleshoot the P0449 Code to make sure you replace the right part, I got two of the three solved and fixed, 7L 4x4 3" lift 35" tires 1990 1500 5, Code came back and now it cannot be cleared, If your vehicle logs this code, you might notice symptoms like an illuminated check engine light Aug 14, 2018 · GMC Acadia P0455 OBDII Code Symptoms P0455 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light, While I'm handy with building things and home renovations, my experience under the hood is minimal except for changing filters and oil, FIXD sensor data reveal that vehicles most likely to experience a P0449 code are: Chevrolet Avalanche Chevrolet Colorado Chevrolet Impala Chevrolet Silverado 1500 GMC Sierra Nissan Altima Below is an expanded look at how a P0449 code impacts numerous makes and 2008 GMC Acadia P0449 & P0455 Codes with Dashboard Malfunctions Acadia often faces EVAP system leaks and intermittent electrical issues affecting dashboard electronics, Here's what I got so far: 1 vent solenoid, tested working (Benchtop power DTC P0449, P0498, or P0499Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure, Replaced the purge valve under the hood last winter, don't recall the codes I was getting, but they were different, GMC acadia 2007 almost 173,000 miles, And no just bought it, Are you puzzled by a P0449 engine fault code? In today’s video, Jake will unravel the mysteries behind this common OBD-II trouble code, diving into its causes, symptoms, and diagnostic Oct 21, 2018 · Got a check engine light and scanned it, Learn symptoms, common causes, and diagnostic tips at RepairPal, I have had very bad luck with the dealerships in my area, so i borrowed an OBD ii reader and found the code myself, P0499 shows as a generic code for "Evaporative Vent Solenoid", I have a 2008 Acadia which I bought at the end of July 2014, 2010 GMC ACADIA 3, Oct 6, 2017 · 1999 GMC 2500 Suburban 1997 1500 5, The EVAP canister vent solenoid on a 2008 Acadia is typically mounted near the charcoal canister, close to the fuel tank, DTC P0449, P0498, or P0499Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure, Learn more GMC Acadia traction control light,No communication to TCM!POWER LOSS! CHECK ENGINE! How to fix Code P0449 EVAP Vent Solenoid on GM vehicles, Silverado , Tahoe, Suburban, Yukon! Jul 31, 2020 · Vent valve solenoid malfuntion P0449 code gone, P0449is the OBD-II Code for a malfunctioning Evaporative System Vent Control Circuit, Just wanna I got codes indicating p0068,p0330,p0449 p0016-19, May 31, 2024 · The P0449 trouble code technically means "Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction", I read a few posts on the board and decided to start by replacing the Vapor Canister Purge Valve (AC Delco 214-1685) since it was cheap and easy to get to, The ECM monitors the status of the Customer: I have code P0449, The captured vapors are then sent to Jul 29, 2018 · One of the most common issues that happens with the GMC Acadia is the P0442 trouble code, Aug 18, 2024 · How to repair P0455 GMC — Evaporative Emission System Large Leak Detected Oct 30, 2015 · Code p0449 can be caused by thieves trying to syphon gas, 7K subscribers Subscribe Oct 29, 2018 · P0011 Definition: GMC Acadia The technical definition of P0011 for the Acadia is “A” Camshaft Position Timing Over Advanced or System Performance (Bank 1), See full list on 700r4transmissionhq, So far, I’ve confirmed that the vent solenoid itself is good, and I have a solid 12V supply at the connector with the key on, Posts are for general information, are not intended to substitute for informed professional advice 2020 GMC Acadia canister vent solenoid valve location code po449 and po498 Dave Flack 114 subscribers Subscribed Customer: 2008 GMC Acadia, codes P0449, P0455, Nov 21, 2023 · Where is the P0449 sensor located? The vent valve is usually located near the charcoal canister, through which the gas fumes flow toward the engine, Here’s what I’ve replaced currently purge valve DTC P0449, P0498, or P0499, This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system, Jun 9, 2021 · Evap Canister Vent Solenoid P0449 Compatible with 2004-2010 Chevy Silverado GMC Sierra 1500 2500 3500 HD Classic Vapor Canister Vent Solenoid Replaces 911-237 10357992 19207763 CVS34 Mar 30, 2020 · 2007 gmc acadia slt I have the engine light on p0449 I have no sound in the car example radio turn signals back up sound nothing and mechanic are charging My 2007 acadia died and is pulling codes p0449,p0330,p0017,p0016,p0700,and p0366 at the same time why would it do thatDisclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts, Listen for a click when the valve operates, Anyone had a re occurring issue with codes P0442/P0449, Oct 22, 2021 · How To Replace Vapor Canister Purge Solenoid Valve 2007-2016 GMC Acadia TRQ 832K subscribers Subscribe El código P0449 es común en: Buick Rendezvous, Cadillac Escalade, Chevrolet Avalanche, Chevrolet Equinox, Chevrolet Malibu, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, Chevrolet Uplander, Chevrolet Venture, GMC Acadia, Hyundai Sonata, KIA Sportage, Saturn Vue y otras marcas, The EVAP purge valve is a solenoid that opens and closes when the computer sends it a s P0449 Battery voltage is supplied to the EVAP canister vent solenoid valve, Looks like it likely has to do with the evap vent valve, Has check engine light code p0449 that the only code, Code P0449-related issues impact vehicles from a wide array of manufacturers—SUVs, trucks, and passenger cars are all vulnerable, Read here for more information, It has happened to me with a 2007 canyon and now a 2003 sierra 1500! What occurs is the thieves use a copper 3/8 flex tube to snake down the direct evap line that connects to the filler pipe just below the gas cap, The Apr 8, 2024 · I have a check engine light on my ‘18 Acadia and took it yesterday to get the codes read and I t was a P0496 code, The check engine light was on and the code was P0449, It is much easier than you think and can easily be fixed at home, The Detailed repair manual for the 2008 GMC Truck Acadia FWD V6-3, 6L, , Codes P0449 and P0455 indicate EVAP system purge valve and large leak faults, causing check engine light activation, The final code, P0449 (EVAP vent solenoid control circuit) is giving me a run for my money! Sep 17, 2023 · The P0449 engine code pertains to the EVAP system, which is the acronym for the Evaporative Emissions Control System, This trouble code indicates that the evaporative control (EVAP) system vent valve solenoid isn’t working as it should, Contact the engineer shown below, This is based on the repair manual and my background, Selling GMC acadia 2007, Jul 31, 2016 · What are the common causes of code P0449 ? The most common cause of code P0449 is failure of the vent valve caused by the presence of dirt or charcoal particles, or a failure of the vent valve control solenoid that prevents the valve from opening or closing, DTC P0449, P0498, or P0499, Car still runs fine, only when I fill up that i had to crank it a few times before it gets going, In this video I will show you how to test and repair t This is a video to replace the Evaporative Emission Canister Purge Solenoid Valve, It actually wasn't to hard to replace it even doing it on the ground, more Jan 2, 2013 · I have a 2007 Silverado Classic 1500 Ext Cab 4x4 LT1, Descubre cuál es el código de falla P0449, 4L AWD, Aug 11, 2017 · No description has been added to this video, This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation, On a GMC Acadia 2007 he is charging me 2414? Well the mechanic gave P0449 FIX!!! 2014-2019 GM Vent Solenoid Replacement Chris Arnau 15, Runs and drives, The code never cleared it self, Here's what I've done: -Removed all interior carpet and moisture, Here it is separated into its separate pieces, with a quick explanation of each, Any other Apr 27, 2023 · I had a few electrical issues on my 2017 Acadia that were not fixed by a SW upgrade, such as the driver seat moving uncommanded and Headlights dimming, while driving, and failure to remain locked etct, he battery was tested several times, anyway I just replaced with a new one and several lingering issues went away, Code P0496, Feb 27, 2025 · A P0449 diagnostic code indicates a problem with the EVAP system vent valve/solenoid circuit, Mar 5, 2025 · Discover the underlying causes of the P0449 code, from faulty vent solenoid valves to wiring issues, and learn how to diagnose and repair the problem, 2006 Chevy Impala with a P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit trouble code, May 23, 2025 · What Does the P0449 Code Mean? P0449 – Evaporative Emission System Vent Valve/Solenoid Circuit, Other possible causes include- Burnt, damaged, shorted, or corroded wiring and /or I have a 2008 Acadia with the following codes P0011, P0014, P0017 and P0449, worst vehicle I have owned from a repair perspective, The solenoid has power to A-terminal red wire, P0449 With the ignition ON and the engine OFF, command the EVAP vent solenoid ON and OFF with a scan tool, Here’s what I’ve replaced currently purge valve Five common Symptoms of a bad failed evap purge valve, Scan tool says malfunction when running the open circuit test, so I started running through the basics, ” It’s logged when the PCM detects that the EVAP system vent valve’s state doesn’t match the right state for a specific period, home, The evaporative emission system is designed to prevent fuel vapors from escaping into the atmosphere by storing and burning them in the engine, I've checked the fuses, replaced the gas cap, and the purge valve and still no luck, Once we are Sep 6, 2024 · The P0014 GMC code indicates that there is a performance issue with the Exhaust Camshaft Position System in the vehicle, Aug 17, 2023 · The P0498 code stands for “Evaporative Emission System Vent Valve Control Circuit Low, This operation involves P0449 DTC 2011 GMC ACADIA I’m currently getting our 2011 GMC Acadia ready for sale, Before you resolve this specific error code, you will need to diagnose the issue, especially since there are a few possible causes, Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154, Engine Idling, observe the DTC information with a scan tool, The EVAP system is designed to prevent fuel vapors from escaping into the atmosphere by capturing them in a charcoal canister and then directing them back into the engine to be burned, com Causes and Fixes GMC or Chevy P0449 engine code: Evaporative Emission Vent Solenoid Valve Control Circuit Malfunction, Is this all related? Is it ok to drive? Detailed repair manual for the 2010 GMC Truck Acadia AWD V6-3, This test is performed by monitoring the circuitry of these solenoids, by seeing if the parts do what the engine control module tells it to do, 6 thanks I Cover how to diagnose and repair that pesky EVAP code, I searched the forum and saw a few posts about the purge canister valve DTC P0449, P0498, or P0499Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure,