Parasitic battery drain acura mdx. Nov 10, 2021 · Seems about what I'd expect honestly.

Parasitic battery drain acura mdx. if all else fails, while the car is off, detatching the positive lead and putting the leads of your multimeter on both the positive termimal and the positive clamp can help you know if there is a parasitic draw. S. Watching the current draw shows a constant 250ma drain with key off. Dec 31, 2017 · Seems that the battery was done for and the extreme cold just aggravated the issue. I hope it's the audiovox mediabridge that is causing the parasitic draw. RDX models often face parasitic battery drain and Bluetooth module malfunctions causing electrical issues. what kind of reliability do I have in a $56K car!!!! I’m pissed. Turns out there is a parasitic draw with the bluetooth device. Acura RL Arrived DEAD! The Shocking Diagnosis That I’m Not ALLOWED to Fix! Acura dead battery drain fix car wont start Bluetooth module fix replacement TL, MDX, RL 2009 Acura mdx with a parasitic draw from a defective hands free link module causing the battery to drain if not driven everyday. Please if anyone knows how I can fix this, please let me know. I'm about to start in on the interior fuses, but those are The Acura definitely draws more electrical power with all the extra things my fiat doesn’t have, even if the battery more powerful, I still think it makes sense that the battery died and not something else like the alternator, the start etc. Battery maintainer is connected when the car is going to sit for a couple of days. I disconnected the HFL due to its reputation for causing drains but was still having issues. I also had an issue where the battery would drain every Aug 13, 2016 · Hi guys! My battery has died twice recently after not using it for 2 days in a row. Battery desulphinator can help a dead battery Persistent battery drain in the 2008 Acura MDX can stem from parasitic draws caused by faulty alternators, interior lights, or aftermarket accessories. Battery replaced this summer. She took it to her "guy" (mechanic who works out of his home garage) and he said he did a parasitic drain test, and said he "cleaned all the connections and ground wires and bundles". Does the Apr 7, 2017 · The Acura HandsFreeLink Battery Draining Defect Class Action Lawsuit is Aberin, et al. If I press the button on the door or on the key it makes the noise that the motor is moving to open it, and I can see the little motor moving the gears on the trunk door, but it doesn't move it far enough to unlatch it. 25 while driving if I checked on Innova 3721 Battery and Charging System Monitor If the car sat more Aug 26, 2024 · Recently the battery on my MDX (2013,techpck) drains ONLY if the car is left unlocked for about 12-14 hours. If the car is not driven for 3 days, the battery is completely dead. Jul 21, 2023 · I haven't seen anything on this forum of specific chronic failure points on the MDX to cause the symptoms you're seeing but for any vehicle, especially modern ones like your 2014 (I have a 2014 as well - no issues on it ever), there are many things that can cause a parasitic battery drain including a faulty door lock, a chafed wire somewhere You can also go one by one checking the continuity of all your fuses. So far I've replaced the car battery, changed the AC relay, and also have the HFL disconnected. Which cause my fully charged battery to die in 1-2 days. 1A-1. I Feb 15, 2015 · The hands free link wasn't available on the MDX until the 2005 model year, so that's not the problem on a 2001 MDX. I thought that battery, being 5 yrs old, needs replacement which I did. In 2008 a TSB acknowledged the system has a parasitic draw. I replaced the car battery and it drained the new Nov 27, 2013 · Now, to my question. Apr 14, 2024 · What could be causing the battery drain in my 2007 Acura MDX? One of the primary reasons for battery drain in the 2007 Acura MDX is a parasitic draw. Dec 13, 2024 · Troubleshoot car battery drain with clear steps to identify and fix parasitic draw. Feb 8, 2020 · Our 2017 MDX all of a sudden has a sporatic battery drain issue. Car wouldn't start. Parasitic battery drain - Acura 2007 MDX questionHi, I have a 2007 Acura MDX and the tail liftgate won't open. Anybody else seen a problem like this? Mar 12, 2025 · Ok, it was the battery, EverStart Platinum AGM battery, group size 24F, 4yr free replacement warranty. Fully charged battery--no go. 24 after that it goes down to 0. Had my MM setup to measure current being drawn and when I removed #7 fuse, current dropped to zero. Slightly over 3 years ago put in OEM Acura battery with 3 yr free replacement and 8 yr prorated. So, what happens when this battery becomes too weak? Acura MDX – (photo by Abeer M, ©WheelsJoint) The most common symptoms of dead battery in Acura MDX are slow engine Mar 22, 2023 · There are a TON of Acuras from this time period that had the faulty HFL BT modules with the parasitic drain. Jan 11, 2014 · I have a 2004 MDX, with RES and NAVI. If that looks OK, I will attribute the failure to the door issue. First time time I had a brand new EverStart battery fail like this! Got a replacement, hope new battery lasts at least 4 yrs. Last Aug 16, 2022 · 2008 MDX battery goes dead after a few days. I physically removed the HFL years ago. I am on my 3rd battery in the last 3 years, I drive the mdx 2 times a week on average. " When I felt the map light console at the very front left corner by the rear view mirror, it would get very hot. Do you accept PayPal. In this video, we show you how to disconnect and remove the factory Bluetooth module. I noticed this seemed to occur mostly when the vehicle was parked in the garage at home and never went dead while out and about. This issue is that I didn't want to keep Apr 18, 2016 · This article applies to the Acura MDX. So, it seems that the HFL malfunction was the culprit for draining the battery. Can we fix it in the driveway with NO PARTS REQUIRED? Nov 6, 2020 · Another reason why your Acura could have a battery drain problem is a “parasitic draw. Was seeing 14. 3:16-cv-04384, in the U. Throw a new battery in and you shouldn’t experience these issues anymore . After letting the vehicle set for a couple of days with Jun 23, 2011 · I have a 2007 MDX that has been experiencing a battery drain over the past few months. I got a new batter in 8/11. Jul 17, 2021 · Hello everyone, I have a 2019 MDX sport hybrid that is draining the battery while sitting. In addition to a drained battery, the HandsFreeLink lawsuit alleges the alternators can fail. To debug the parasitic current drain, I pulled out a bunch of fuses in the fusebox near passenger seat - power door lock (12), rear backup (13), P/W Front R (8), P/W Front L If you are suffering fast battery drain, it’s something else…most common is glove compartment light, under hood light or trunk light staying on. What should I be checking? The 2009 Acura MDX has 5 problems reported for battery drains. Fully charged again and hand A parasitic battery drain in the 2008 MDX can stem from components powered through under-dash fuses 5 and 7. TY Feb 22, 2015 · Anyone know what fuse #7 does? Its marked as "backup" from the driver side kick panel. What the heck…. How to Fix Acura MDX Battery Drain in 15 seconds !!!! 2006 Acura MDX Battery Drain and Navigation Failure Fix MDX often faces battery drain from parasitic draws and navigation system malfunctions after electrical repairs. Any other Jun 24, 2021 · Parasitic Battery Drain in 08' MDX Jump to Latest 1. Acura dealers check out the battery and the electrical 2012 acura mdx parasitic draw kills battery pull fuse #7 under dash back up drops to about 1 amp any tsb on this. And once when sitting at a stop light (It just stopped running and wouldnt restart) Have had the battery and alternator checked and both good. The battery was totally dead (wouldn't hold a jump) Feb 10, 2023 · Hi, My '06 MDX battery is about a year old but is draining within a day. Parasitic losses while stored will kill the battery. Have read where it may be the Hands Turns out, Radio/Entertainment center was drawing enough current to drain the battery overnight. I owned and raced Audis for 20+ years and now this MDX. This is the only fix short of replacing the faulty Acura module. The battery will go dead if it is not driven often (daily). Nov 25, 2023 · Battery dead three times so far (30K miles). 5A though? that is a HUGE LOAD for parasitic draw and its what the faulty HFL Unit takes when it fails. Jul 2, 2011 · 2012 Acura MDX 65,000 miles. Doing the parasitic drain test on it shows it pulls 0. I found that taking out fuse #30 in the under-hood fuse box stops the current drain May 13, 2011 · If there is any parasitic draw from the factory radio then the car battery won't start tomorrow. Pressing the steering wheel buttons did nothing. My passenger side rear door lock does not lock through keyfob but can be manually locked. I’m an assistant service manager at an Acura dealership and I’ve learned the batteries will go bad on these cars early. once I realized that this motorized sound under the dash continued constantly figured this was my most likely source of drain or possibly HFL. Co-incidentally I know that the Key FOB is only making the click sound (lock/unlock) but not the beep/another sound that it typically makes when you press lock again on the FOB. I have a 2009 Acura MDX that was experiencing a parasitic draw on the battery, thanks to the audio system. If you are on MA scale excessive draw would read over 50 . These newer MDX are glitchy man. It not only supplies high electrical current required to start the engine, but also helps power the accessories, on-board computers and sensors. Dec 24, 2020 · Hello all, I've been fighting this battery drain issue for about a month now where I have to jump the car every 2-3 days if I don't start the car. Begin troubleshooting by performing a parasitic draw test using a multimeter between the battery negative terminal and cable. Even with a solar charger on it, the battery will die. Not taking chances, I'm plugging battery on a smart charger every night. Faulty electrical components, such as a glove box or trunk light that stays on, can be common culprits. 14. Drove it around Mar 7, 2021 · Some background: My HFL stopped working one day. Even if you replace your battery, it will destroy your new battery over time. Feb 11, 2013 · My 2007 MDX battery went dead twice in last 4 days. Apr 1, 2014 · I've the same issue with my 2007 mdx, it happened when i bought a new batteryafter a month it drained my new battery. 02, normal. A competent mechanic can isolate/ correct the issue quickly. A 2005 Acura MDX Touring’s battery drain is commonly caused by parasitic draw from electronic modules like the GPS or radio. There is a TSB the unit can cause excessive battery drain . The mfg date was 02/25, bought first part of March, Walmart tested it, machine said replace battery! I checked for a parasitic drain, it was . Dec 17, 2023 · There are several reasons why your Acura MDX may be experiencing electrical issues and one of the most common is a draining car battery. 7K views 1 reply 2 participants last post by CDueck Jul 4, 2021 08 MD Xer Discussion starter How To Fix Battery Drain On Your Acura Mdx With A Simple Bluetooth Removal! Autotoys & Tech - Fixit 11. The #4 fuse in the underhood fuse box closest Aug 17, 2022 · A common problem with Acura TLs and the Acura MDX is a faulty Bluetooth module. While reviewing the wiring diagram, it's challenging to determine what needs fixing. I did a parasitic draw test on it today, and found what I believe is the culprit circuit. If that hasn't hasn't been investigated I'd focus there first assuming the fan is only running when it's Aug 8, 2015 · I have the same issue with an Acura TSX 2007, my battery drains sometimes overnight but for sure if car is not moved in two days. Sounds like this 2006 Acura MDX has a MASSIVE parasitic battery drainCustomer says that the battery dies in 8 HOURS, and he needs to jump start the car ev Apr 9, 2017 · We have a 2011 MDX and about a year or so ago, we started having frequent battery drain issues. Surprisingly, my 2000 Honda Accord original battery is still good with 183,000km on the clock. This issue is that I didn't want to keep Fixing Power/Parasitic drain on car battery 2006 Acura MDX • 19K views 4 years ago 15:11 Aug 25, 2017 · I traced the current draw to #7 fuse Backup, which might be causing the battery drain. There seems to be an electronic motor thatI did use a multimeter to check overall voltage but I did not specifically check for any parasitic drain. Start by testing the battery with a multimeter to measure current draw. Faulty door switches, aftermarket alarms, or a failing alternator diode can also contribute. I think it is extremely likely that this is due to HFL card defect. See full list on 700r4transmissionhq. American Honda Motor Company Inc. After doing a parasitic draw test, we removed the Radio fuse and the AMP draw dropped to normal levels. None of the videos I’ve found regarding the Bluetooth fix feature this model as most are TLs or MDX. Also, when I selected the HFL on the computer, it continually said "Booting. Unplugging this Bluetooth-related black rectangular box may reduce current draw. Nov 10, 2021 · Seems about what I'd expect honestly. This did repair my problem, but a week later I was getting the typical parasitic draw and killing my battery. You need to get a tool (voltmeter, I think) and measure the parasitic draw on your battery. Last week, I took the time to read the forums and read that the Bluetooth module is the culprit so I decided to May 4, 2016 · 2006 Acura MDX - battery drain - two problems found I am just posting this message to help others who may have a battery drain problem with their 2006 Acura MDX (including NAV and Rear Entertainment System). 6-0. Follow the LH41 instructions to measure parasitic draw (parasitic draw is about 250 mA until the HFL control unit goes into sleep mode). , Case No. It killed some batteries and eventually an alternator and left my wife stranded on the freeway once, that I replaced. My wife's car is lightly used (2017 model with 16,000 miles). Average repair cost is $1,240 at 107,300 miles. 310mAh while shut off is little to nothing for a normal battery. Mar 18, 2021 · Let's shortcut the diagnosis to 100% verify a common cause of battery parasitic draws on late Acura vehicles. No I recently have developed a parasitic battery drain on my 2007 Acura MDX. Acura's HandsFree Link (HFL) system is controlled by a module that resides in the center console of the MDX. You probably have parasitic battery loss caused by a failed Acura Bluetooth module. Mar 10, 2014 · The Hands Free Link in my 2007 MDX stopped working. 01 / . 7K subscribers Subscribe May 21, 2020 · We have a 2008 Acura MDX that sits a lot. Is there a way to disable HFL? If not, how do I disconnect Jan 20, 2019 · So I recently bought the MDX, but there is a parasitic drain somewhere as my SUV dies within a few days and need to jump start. The HFL modeule was unplugged by the dealr years ago due to another problem. A parasitic drain can happen when one of the electronic components in your vehicle has an internal short. ” When your vehicle is off, the battery continues to provide power to smaller items including the alarm system, clock, and radio. It was my AC clutch relay, although it clicked when I applied 12v of power (if nothing else u can use a car battery with couple wires and touch terminals on the relay) there was no continuity. Parasitic draw would kill new battery in 2 days. Remember that most lead acid batteries are around +/- 40Ah that is around 40,000mAh so . This issue can lead to the battery draining over a period ranging from a few hours to a week or more, depending on the severity of the drain. I think the drain is coming from HFL unit Acura already assessed this, and when I put new battery, I asked Acura to reconnect the HFL unit. 24 stays there then it goes up again and that's what it does all the time. So question is what is the quickest and easiest way to make sure HFL is indeed the culprit beyond doubt. MDX, TL, TSX just to name a few, all from this era. GM products of that era are well know for heat/AC fan staying on low power. By the way what is HFL & where can i find it? 2008 Acura MDX Parasitic Draw on Audio Circuit Diagnosis MDX owners often face parasitic battery drain and malfunctioning hands-free link (HFL) modules causing power loss. Dec 29, 2020 · Learn how to diagnose the parasitic battery drain that's killing your battery. Also you get an idea how to remove the radio, the My Acura MDX had a battery drain problem. I carry a battery jump Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Checked using a multimeter and found a 2. My issue is that I’ve seen the Bluetooth module above near the garage door control and also down low near the shifter. Jun 6, 2022 · My 2015 MDX is constantly draining the car battery for some reason. The car is a 2006 TSX with Nav. very small current drains are normal from things like onboard Mar 24, 2022 · My 08 MDX had this problem, bluetooth module was fine. May 24, 2022 · Anyway, if I can get the battery back up enough to start the vehicle, I will test for parasitic drain. Dealer says battery load test checks okay. with extensive electrical trouble shooting to resolve. Nov 14, 2021 · I was having the parasitic battery drain issue and tracked it down to fuse #16 in my 2016 MDX. Apr 12, 2024 · Honda is facing class action lawsuit claims of recurring battery drains and battery replacement in Honda Acura vehicles with HandsFreeLink® Bluetooth technology. The battery lasted 2 years, and I'm sure the battery is still good. The dealer has checked both the battery (a 6 month old Costco) and the alternator; both checked out fine. I truly like most everything about this car, but the battery tends to not start the car at times, although everything seems fine. The faulty Bluetooth module causes a parasitic drain on your car. The 2014 Acura MDX has 2 problems reported for battery drain. After having the new battery tested, I went online to see if I could find a diagnosis for the problem. I determined the source of my battery drain was my Bluetooth/ Handsfree link module. I bought the car on 10/2/2014 with 5 miles out of the door. It looks like the faulty Bluetooth HFL is causing the battery drain. One possible culprit is the intel link system draining when car is off but don't know what else to check. New battery is marginal condition after 4 months use due to all the power consuming applications running while the engine is off. After charging (or with a jump) it charges quickly - so alternator is believed to be fine. . I dont think that is the problem because it can take 2 weeks to drain. I took it to the dealer and they initially diagnosed this as a parasitic draw related to the Jul 26, 2013 · Battery keeps dying! ----- 2008 MDX with Brand new battery! Jump to Latest 59K views 22 replies 20 participants last post by jwoody7145 Aug 26, 2024 2 Jul 23, 2021 · Hi all! I acquired a 2005 Acura MDX Touring pre-pandemic and it has been great, but I noticed the common parasitic battery drain issue this past year that has been mentioned here by the HandsFreeLink module. Another May 18, 2024 · This causes the battery to drain and leaves the vehicle dead and unable to start. My 2007 Acura MDX is draining batteries. Jan 3, 2023 · I have a parasitic battery draw over 250 mA (my meter's max) that will kill the battery in about a week. I've since disconnected the HFL module and replaced with a new battery. This can be caused by a variety of factors including a faulty alternator, a parasitic draw, or simply old age. Apr 17, 2015 · I have a parasitic battery drain problem with my brand new 2015 Acura MDX. District Court for the Northern District of California. Common culprits include malfunctioning electrical components such as the radio, interior lights, or even the vehicle’s alarm system. Dec 6, 2020 · I had a battery draining issue on 2011 Acura MDX advance with about 150k miles. Wait at least 10 minutes to allow the HFL unit to go into sleep mode. 7 amps Oct 14, 2019 · We’re having a parasitic battery drain in our 2012 MDX. I've individually pulled all fuses in the engine compartment and no change to the draw. Obviously the battery is replaced with a new one and this still happens. My roommate had an issue with her MDX where the battery would die overnight. To troubleshoot parasitic draw on fuse 5 (audio circuit), first isolate components by unplugging the HFL module, radio, and related units. Acura was sued in 2016 saying there were no good repair options. I replaced my keyfob battery because my husband refuses to accept anything I say about cars is true lol. Does the parasitic draw drop from about 250 mA down to about Jul 6, 2021 · Key Points Acura's HandsFreeLink system can drain the battery as the car sits overnight. Then use cables and fuses to disconnect items one by one until you find the one responsible for killing your battery. This means that there is a continuous power drain on the battery even when the vehicle is turned off. 5A caused by the #4 fuse (under hood by the battery) or the #7 fuse (under the driver's dash) which point to the backup circuit. Does anyone have the circuit diagram for what's covered under the #7 fuse? Unless the HFL is tied to it, I After 4 battery replacements I’ve had enough. I have a 2009 Acura MDX with a parasitic drain I took out every fuse and relay out of the fuse boxOk, these vehicles do have a known issue with the moonroof control unit . Don't like to shotgun replace things, but a new battery is not that expensive and a battery replacement would eliminate that possible cause. Average repair cost is $320 at 33,800 miles. Ruled out suspects like tailgate lamp and glove boxlamp. There must be a fuse somewhere so If you cant figure out why your Acura MDX, RDX, TSX, TL, RL wont start. Quick Google revealed that baking at 390 for 8 minutes liquefies the solder and fixes the issue. Start by disconnecting the HFL to isolate its current draw. Its currently drawing 3 miliamps. Today I finally got a parasitic draw test to see what is causing the battery to drain (new battery was installed this week, starter and alternator was tested and checked Jan 23, 2023 · Had been trying to figure out why my 2014 vehicle battery kept going dead. To troubleshoot, isolate these fuses and test for current draw with a multimeter. Well, almost immediately after, same thing happened. Aug 31, 2017 · I have a current draw of 0. A slow battery drain in the Acura MDX often results from a parasitic draw—electrical components drawing power when the vehicle is off. Oct 16, 2010 · My 05 Acura TL battery was dying after 4 days of non-use. YouTube videos suggest a “parasitic draw”…. Jun 21, 2022 · Acura MDX needs a healthy 12 volt battery for normal operation of the vehicle. Twice it wouldnt start after sitting overnight. After replacing 3 batteries, I found the problem by disconnecting fuses one by one for each devices, and finally, the stereo was causing the issue. This motorized sound happens or Feb 8, 2014 · Some progress! Did this How to Test For Parasitic Battery Drain and if you look at my short video (link) when I place my lead on the negative it goes to 2. v. Dec 3, 2017 · Some background: My HFL stopped working one day. Considering a shotgun replacement of the battery. Has the car been checked for a parasitic draw? If you let it sit for a few days does the battery drain? If so I think I recall reading about some bluetooth module that's a common draw on the MDX. Had this vehicle come in with battery dying every week or so and found it had a 230 mA drain, this vid shows how I go thru the flow of diagnosing. Learn the best tests to find the problem so you can fix it. Diagnosing and Fixing Parasitic Battery Drain from FI Backup Fuse in Acura Vehicles Mechanic's Assistant chat Customer: I've partially identified a parasitic draw source related to the backup fuse in the under-hood sub-fuse box. I would get about $90 towards a $155 OEM battery if it was defective just beyond 3 yrs. One video suggested 9. The car is fine unless it sits for two or three days, at which time it is dead as a hammer. I have disconnected stereo fuse, and the problem has gone away. While HFL provides a host of useful options, including steering wheel controls and cell phone functionality, it also creates a parasitic draw on your battery by running even when the car is off. If you are experiencing a power drain on your 2006 MDX, chances are it's the hands on bluetooth module unit underneath the dome light cover which is on top of the star command unit system where Feb 3, 2024 · My 2022 MDX Tech has 20,000 miles and is my favorite at this time of my life. com Aug 3, 2024 · Parasitic drain occurs when electrical devices in your Acura consume power even when the vehicle is turned off. for almost an year, the battery on the MDX keep draining and I would require a jump start if I don't use it for 2-3 days. I would suggest that over your kill switch plan Reply reply [deleted] • Jul 2, 2023 · A mystery for sure. 07amp draw when the engine was off and was able to isolate it to a 40 Nov 21, 2011 · I have 2005 MDX and battery drained in 20 minutes of listening to CD player. Find out how to prevent future issues and maintain battery life. Parasitic battery drain in the 2014 RDX can stem from the Hands-Free Link (HFL) module behind the passenger kick panel. Nov 22, 2022 · 1st post but have definitely searched. The battery drain Parasitic battery drain in the 2011 Acura MDX can stem from a faulty AC clutch relay or HFL (Hands Free Link) module. I did same checks that were done in this blog and the same 40a BackUp ACC fuse takes the current to ZERO after I unplug it. Attach the LH41 AC/DC low current clamp meter to the battery ground cable. Jun 2, 2024 · I agree with John. There seems to be some inconsistent parasitic drain, or maybe some funky battery problem. I changed my battery a few months back so I thought I had a defective battery I brought the battery to the auto parts store and they honor the guaranty so they give me a new battery. oy q2ynyo2 cax lxnov qajkxn gmb9 lfs y2lr nyjnj0a 7ptu