Jeep jl second battery location - Jan 8, 2023 · How to replace the auxiliary battery on your 2018+ Jeep Wrangler JL/JLU or 2020+ Jeep Gladiator JT! This process is fairly easy to do, tools you might need: ...

 
We got out first Jeep Jl wrangler with a 2.0L turbo. I'll give you a first look at the 48v mild hybrid system and a test drive at the end.https://www.jeepinf.... Crumbl cookies goodyear

Line: SSB. Check Vehicle Fit. Battery Difficult To Install Battery, Professional Installation Recommended; CCA: 200; AGM; Auxiliary Battery, With Start/Stop; Vent To Outside; AGM Battery Required; Battery Located In Engine Compartment. 1 Year Limited Warranty. Battery Type: AGM. Height (in): 5-3/4 Inch. Length (in): 5-7/8 Inch. Show More.This video shows our Gen 2 dual battery system. If you are installing one of our new Gen 3 systems, please see this video - https://youtu.be/PZXSOqsVljQHow t...2019 Jeep Wrangler JL Rubicon Feb 18, 2022. ... Location Inland Empire Website www.instagram.com Vehicle(s) ... likely. If you have the e-torque you don't have the auxiliary battery. You have a 48v battery under your Jeep, toward the back. Something else you don't have if you have the e-torque...an alternator.Oct 24, 2020 · Oh yeah. This kinda thing was happening to the review models back before the JL hit lots. However, while tedious, the battery is relatively easy to replace and a faulty or dying one is certainly indicative of the issues you're having. It could also be a problem with fuses, but regardless, that's what your warranty is for. Jeep Wranglers are equipped with two batteries for several reasons. The primary battery is responsible for starting the engine and providing power for movement, while the secondary battery, also known as the auxiliary battery, powers add-ons and accessories. The load is evenly distributed by having two batteries, and the electrical …yes, it's just like a regular battery. I've popped mine out for trickle charge occasionally, and also replaced the OEM with an antigravity this spring. to be perfectly clear - there's no interaction with the 48V/mild hybrid system. we don't even have the annoying spare battery buried under the main 12V - I checked when I was wiring in trailer signal/lighting connections. empty space in that ...Just showing mechanics the quickest and easiest way to get to the Aux battery.This not a full tutorial and probably isn't useful unless you where going to fi...Not like the genesis dual battery unit. The second battery is to keep your lights, radio and the like working when the start stop does its thing. It's quite small. The main battery is your start battery. ... Fits 2018-2021 Jeep Wrangler JL with the 3.6L AND the 2.0L engines. Does NOT fit with the diesel engine---From their Q&A section, they ...Location Manteca, CA Vehicle(s) 2023 4xe Rubicon ... To see how, go to Youtube and search "How TO Replace the Main and Auxiliary Battery on a Jeep JL Wrangler and JT Gladiator Truck" to see how. ... But on second and subsequent cranks the vehicle should crank off of the main battery, and if successful, turn on the ESS off light in the dash. ...Location florida Vehicle(s) 2020 jlr-2015 jette tdi-2013 mb ... Then when you want to remove power from the jeep, you can turn the battery disconnect switch to the aux battery off and just remove battery terminals on the main. ... with no other changes will cause your 2021 to likely not crank on the first attempt and on second and thereafter ...My Jeep is at the dealership as I type this. This is the second time in 3 weeks that my Jeep just died while driving. Jeep replace the main barley and a relay on the 3rd of July and yesterday they changed both batteries only to watch them both drain. I feel it is going to be an Easter egg hunt to find the root cause.WK2 - New battery type and location. An AGM battery is a sealed unit that uses special relief valves to vent vapors from the battery. The electrolyte is stored in sponge like separators consisting of matted glass filters. This suspension increases the efficiency of the charging and discharging rate of the battery.Feb 18, 2022 · My auto stop/start wasn’t functioning and I read the most common cause of this was a dead auxiliary battery. So I follow the instructions to replace the auxiliary battery but when I get to the place it’s supposed to be, there is no battery there. There aren’t even any cables to connect a battery, so there was never one there. The 2nd battery is a true backup. No loads connected to it unless I need it to start the jeep and it is disconnected from the primary battery if the ignition is off. When ignition is on and alternator voltage is above 13.2 volts the backup battery is charging. Flip a switch to connect the backup battery and start the jeep.@John Galt The stock battery tray on a JL with tow package is a bit bigger then a JL that does not have the tow package. Size 94r H7 will fit in the Main battery tray of a JL with the tow package.. You just have to double check the EXACT SIZE of the battery you want to buy.. Physical size specs differ a bit with brands..Does every JL have the second, smaller battery? Is it specifically for the stop-start feature, or does it have other uses? Menu. News. Forums. ... Location DFW Vehicle(s) 2020 Jeep Wrangler Unlimited Rubicon, 2000 Jeep Wrangler Sahara Jun 23, 2020. Thread starter #1- Main battery has checked out good (though they replaced it anyway) - Aux battery is not good (around 4.5 volts) - When donor vehicle is connected to N1 terminal, power flows allowing engine to start (but not sure if alternator is taking over) - Jeep dies again when jumper cables are removed, eventually aux seems entirely dead Basically, all ...3 different ways to get to the Auxiliary Battery on the JL Wranglers….taking out the fuse box/power distribution center, removing the fender liner or removin...2018 Jeep Wrangler JL wiring diagram (schematic) for the Auxiliary battery (stop start/ ESS battery) and related circuits. This is NOT the diagram for the 4 ...2021 Jeep JL Battery and ESS Issues. Thread starter 78ygbsm; Start date Sep 26, 2023; Watchers 3; 1; 2; Next. 1 of 2 Go to page. Go. Next Last. 78ygbsm Member. First Name VHC Joined Aug 16, 2023 Threads 2 Messages 10 Reaction score 1 Location Oahu Hawaii Vehicle(s) 1968 Camaro, 2024 BMW M4, 2021 Jeep JL Rubicon ... and …The second battery is to keep your lights, radio and the like working when the start stop does its thing. It’s quite small. The main battery is your start battery. When I picked up my 2021 JLUR diesel several weeks ago, the start stop said unable, until the second battery got up to charge. Then it worked fine.A dual battery setup is all about having a back-up power source for a particular application which may cause you to drain your main battery. If you're out in the wilderness by yourself, then that may be a good reason to have one. However, with that said there are more ways to skin a cat as they say.How to replace both your stop star battery and main battery, in your Jeep Wrangler JL. We go through step-by-step how to remove both batteries and change you...Here in IA batteries usually last 3-5 years depending on the vehicle and quality of battery. But what I learned from another Jeep forum when I bought my JK is that it's extreme heat that kills a battery quick, not cold. So you guys in TX, AZ, Las Vegas, etc. may find that 2-3 years out of a battery is more typical.The eTorque motor-generator charges the 48v battery. Battery #2: 12v AUX battery, mounted under the fuse box - power control module in the engine compartment, passenger side, against firewall. Function: Supply 12v to accessories, lights and ventilation fan during ESS events.Then go ahead and add the top strap that holds it down to the all thread, then put the remaining nuts on, and tighten them; then go ahead and tighten the bottom nuts that you left loose earlier. Now install your secondary battery cables. You should only have two 1 gauge cables left. One black one and one read one.Hey guys, first post on the forum. I picked up an '18 JLUR a couple of months ago with 24k on it. A couple times I noticed when I hit the start button, it wouldn't start, then it would after 2 or 3 tries. Well this morning it wouldn't crank at all after sitting about a week. So I checked...I have a 2022 Rub JL and Dealer, just installed the 3rd small battery and 2nd main battery. Once mine is out of warranter, I will remove the 2nd battery and just run one main battery. Very frustrating having a new Jeep. It freaks out when it will not start (wiper run, dash binks, gauges go up and down), have to jump with a semi-truck jump …First Name Bill Joined Jul 22, 2019 Threads 31 Messages 5,314 Reaction score 5,582 Location North Las Vegas, NV Vehicle(s) 2023 Gladiator High Altitude - 2013 Nissan Leaf SVAs most all of you know, our JL's have two batteries, the main battery, and an auxiliary battery. The auxiliary battery is used to keep things running when the auto stop/start feature is engadged. It keeps the radio going, fans, and other electronics. The reason a second battery is needed is because when the starter is used to start the engine ...Ordered a 2020 JL Rubicon Unlimited in Bikini with Dark Saddle Leather on 7-8-19 and was delivered by Criswell 8-22-19 ... When I went to the Jeep dealer-they told me that I cannot replace the $134.00 battery without paying them $250.00 just to do the electronic reset afterwards or I can pay them $362.00 to buy and install a new battery from ...For all of you saying how bad the setup of the auxiliary for the ESS system 2nd battery is. I have something here to share with you. Here’s the auxiliary battery I replaced out of my 2020 Jeep Wrangler. Dated from 2019 production. The only reason I changed it out is because winter is coming and I don’t take chances after 4 years of use.IBS > Clear/Reset: IBS Sensor: Mopar 68289207AC Disconnect all 12v power to the JL/JT * Now, when 12v power is restored, the IBS starts a lengthy relearn process. Until the relearn process is complete, accurate battery state (MAIN battery) information is unavailable to other vehicle systems.There are a few methods to delete the aux battery. My plan is to remove the aux battery the connect it's pos terminal to the main and just tape up the aux's negative terminal. From what I've read that's the best way for my 2018 JL. 2018 JLUR, Firecracker Red.2018 Jeep Wrangler Aux Battery Location 05 Aug 2023. Service stop/start system warning light Stop start light warning jeep battery system service wrangler jlwranglerforums ess jl Battery tender for jl 3.6 (with ess) Where is the 2nd battery? | Jeep Wrangler Forums (JL / JLU) -- RubiconLeave the positive charger clamp on the main battery cable. Charge the aux battery. Of the two negative cables that goes to the negative of the main battery, one goes to the fender body/chassis ground, the other goes to the aux battery negative post. On a 2020 model year, the top of the two ground cables is the one that goes to the aux battery.This video shows our Gen 2 dual battery system. If you are installing one of our new Gen 3 systems, please see this video - https://youtu.be/PZXSOqsVljQHow t...Is there an aux battery in the 392 compartment somewhere? Menu. News. Forums. New posts Trending Search forums Search Images. What's new. Unread posts All posts Latest activity New vehicle showcases New showcase comments. ... Location Western WA Vehicle(s) '67 RS-SS Camaro, 2021 JLUR392 Jan 18, 2022 #2Location Ms Vehicle(s) 2018 jeep wrangler jl Dec 4, 2023. Thread starter #1 hey everyone! I was driving my jeep today and my jeep will not come out of second gear! It will just randomly shut off! Husband is really mad cause we keep having so many problems. ... The battery is brand new so after I hooked up the battery again cranked the Jeep ...Exactly. The F42 fuse gives power to the PCR to get the signal from the computer to check the voltage on the aux battery only. By removing the fuse it just sees the main battery. Downside is you have to make sure you disable ESS or you will be starting the Jeep from a stop event with the main battery.I have a 2022 Rub JL and Dealer, just installed the 3rd small battery and 2nd main battery. Once mine is out of warranter, I will remove the 2nd battery and just run one main battery. Very frustrating having a new Jeep. It freaks out when it will not start (wiper run, dash binks, gauges go up and down), have to jump with a semi-truck jump …JL Wrangler Rubicon - Hella Yella - 2.2 Diesel ... For my messages and comments on this forum, sorry for my poor English - 2.5" ICON lift + 315/70/17 BFGoodrich Mud-KM3 + Tazer JL Mini - DTE PowerControl + DTE PedalBox - AFE Filter... before K&N, I changed following the answer on my subject - You don't want to break your hands to …Aux battery issue, need second opinion. Thread starter WhitneyWillys; Start date Wednesday at 8:14 AM; ... Location Salt Lake City Vehicle(s) 2018 JL Rubicon, 2014 Ford Raptor Occupation Project Manager Wednesday at 8:56 AM #3 ... '18 2 Door Jeep JL Sport S / 2021 JLUR Occupation Merchant Marine Wednesday at 9:09 AM #4The second battery continues to power your accessories for as long as it will last. After you crank the vehicle, your main cranking battery will be charged up to 13.2 volts first, and then the isolator will allow the charging of your accessory battery. By only charging one battery at a time, your alternator is protected from excessive strain."In late 2020, we noticed that the auto start stop function stopped working in my wife's 2020 JLUR. Her Jeep was just one year old. No warning notifications, we just noticed it never worked. Scrolling down the EVIC, it just said battery charging. Took it to the dealer, and they said the driver...The aux battery becomes the only source of power for the system electronics and it is not getting charged from the alternator. Eventually the aux battery will run down and no power will be available to the system electronics, disabling the vehicle.Jeep wrangler jku battery dead after 18 months – ocabj.netBattery dual install benchmark jeep jk forum wrangler Jeep jl wrangler battery techAux battery location ⚠️ jeep jl 2018 wrangler ⚠️stop start battery. Jeep jl battery issues 2Battery issues / no starting / lessons learned 2nd jl wrangler rubicon jlu sahara jlwranglerforumsHow ...Well, apparently all JL's have battery issues, thank you Jeep. We had problems with our JLU, replaced it with a JLURD. (Right now the JLU is having other JL issues - oil cooler, cam shaft, valves - about 1/2 of an engine swap). Since we got the JLURD, we then have virtually never used ESS - but still that little battery has caused headaches.2018 JLU Sport, 3.6L, Manual, Punk'n, Anti-Spin, All-Terrain Tires 2.5" Rough Country Spacer Lift, Pro Comp 34 Rockwell 17x8.5 Wheels, LT315/70R17 Ridge Grappler Tires, Roam Slimline Tire Carrier Rear Bumper, Roam Side Armor Steps, Warn Elite Full Width Front Bumper with Grille Guard and Skid Plate, Warn VR8 Winch, Tuffy Security Deck Enclosure ...Aug 31, 2018 · Here's my attempt at a diagram that illustrates the battery connections for the 3.6L ESS dual batteries. Hopefully this will help make sense of why things work the way they do. I tried to show that when you pull the battery terminals off of the battery, there is still an electrical connection between the cables attached to the battery terminal. The cost of replacing a Jeep battery ranges between $224 and $230 on average. It takes about 3-5 years for a typical Jeep battery to last. There is no need to buy special batteries for the Jeep Wrangler. ... There is only one battery that is located in the engine bay. The Jeep Jl: A Tough, Reliable Vehicle With Great Customer Service.Note: If the ESS/Aux battery (not your JL's main battery) is depleted for any reason or is defective, etc. you will see the evic message you are seeing. ... Location Wheeling, WV Vehicle(s) 2018 Jeep Wrangler JL Rubicon, 1969 VW Beetle Vehicle Showcase 2. Oct 14, 2018 #6 @Jeepney18 @Jeepsterfreak There are numerous reasons that the stop start ...Long story short I didn't have long enough ground wires for the light to hit the recommended location closest to the fire wall. I found this other ground. Looked just like the one closest to the firewall. Hooked up the lights with the main battery dis connected and the factory aux switches off. And the lights came on!The newest Jeep Wrangler is also the first of its name to feature the automaker's 48-volt mild hybrid system. This eTorque setup boasts improved torque and a...The JL connects the batteries in parallel as per factory--even though the hack already had them connected that way, and the main battery then, somewhat depleted from the ESS event because of the hack, normally left alone during ESS, is still responsible (along with the ESS battery) for energizing the starter to crank the engine.Hello guys been getting the battery protection mode message from day 2 of purchase, dealer charged the battery on first visit second visit they said it was normal stop using the auto stop feature and it still goes into battery protection mode.Oct 7, 2023 · You have a large 48v battery mounted under the Jeep on the driver's side. Technically your 12v battery is the secondary battery as there is no alternator. The 48v battery is charged via the belt start generator and it charges the 12v battery via a DC to DC inverter. The following is a description from FCA which got me thinking more about the 48V system: • Auto Start-Stop management • Torque management with Torque smoothing and power assist • Regenerative Braking • 48V System Power Management Monitor and report 48V battery cell voltage, current and temperature and battery pack info Convert AC from ...From what I understand, the main battery and Power Distribution Center (PDC): the intelligent fuse box switch places in the diesel JL as opposed to say the 3.6L JL. I mean it would make sense if the Aux battery stays in the same place on the Eco Diesel model, and just the main battery and PDC switch places.We got out first Jeep Jl wrangler with a 2.0L turbo. I'll give you a first look at the 48v mild hybrid system and a test drive at the end.https://www.jeepinf...Customers can find Deka Battery distributor locations using the Where to Buy search feature at EastPennManufacturing.us. The feature offers Deka Battery distributor location search...2018 Jeep Wrangler JL - Punk'n Edition Build Thread Link. Sep 27, 2020 #4 ... So without question a sub par 3.6L JL battery will tax the one in superior condition. ... The down side to replacing batteries is the difficulty in getting to the second battery. Just my 2 cents. DanFelix Well-Known Member. Joined Dec 22, 2018 Threads 25 Messages 275Jeep Wrangler JL Overland Oct 22, 2021. ... Location Springfield, Mo. Vehicle(s) 2021 Rubicon Unlimited, & Escalade ... what is the easy way to know if your JL has the second battery set up? Any help greatly appreciated. AU_JLU Well-Known Member. Joined Oct 3, 2019 Threads 1 Messages 78 Reaction score 26Any easy way to REPLACE the OEM Jeep JL Battery with a LiFePO4 12v 100ah battery to a jeeps 12v system without damaging the alternator? I found 12V 100Ah LiFePO4 Lithium Deep Cycle Battery, Rechargeable Lithium Iron Phosphate Battery, Built-in 100A BMS, Perfect for RV, Solar Power, Home Energy Storage, Off-Grid Applications …Location SanFrancisco Vehicle(s) JL Wrangler Sep 1, 2020. ... Hello, l want to remove my front dash and steering wheel to change color, but l have a second battery. What can l do to insure airbags don’t inflate without... Menu. News. ... JL Wrangler Sep 1, 2020. Banned #2Have only seen the message for battery protection mode, but not starter protection. You said it shifted to auto park. ... The problem with the JL is that small problems can cause unrelated warning lights and codes to appear. Unfortunately there's not much you can do to see if any of the codes are legit. ... Location TX Vehicle(s) Jeep ...It can prove a little difficult to access. If you were facing your hood, the 2019 Jeep Wrangler auxiliary battery location would be located behind the main battery in the upper left corner of the hood area. Several layers of panels need to be removed before the battery is visible. If you're not comfortable or able to access the battery, you ...There are a few methods to delete the aux battery. My plan is to remove the aux battery the connect it's pos terminal to the main and just tape up the aux's negative terminal. From what I've read that's the best way for my 2018 JL. 2018 JLUR, Firecracker Red.Location MINNESOTA Vehicle(s) 2015 Mustang GT Convertible, 2013 CHEVY SILVERADO, 2018 JLUR ... temporarily isolates the JLs two batteries and no crank will even be attempted if the JL's ESS battery isn't showing a basic level of "juice." I don't think the wait time has much to do with the engine/generator of the running rig charging its battery ...Here in IA batteries usually last 3-5 years depending on the vehicle and quality of battery. But what I learned from another Jeep forum when I bought my JK is that it's extreme heat that kills a battery quick, not cold. So you guys in TX, AZ, Las Vegas, etc. may find that 2-3 years out of a battery is more typical.The Jeep Compass has a second battery located under the passenger seat, requiring specific tools such as a ratchet and extension, 10mm socket, and wrench to access it. Follow these steps to access the auxiliary battery: First, lift and remove the passenger seat to reveal the battery compartment. Use the ratchet and extension to loosen the hold ...this is the easy way to swap your battery. Lots of folks dont knowabout this hidden battery.Thats exactly what we're saying. Thats why I put pic of my JL Aux switch Fuse box that goes by the brake booster. That comes with the switch kit. Those are the fuses for it. If you had them installed from the factory you would then have them in the fuse box location. You have to double check your pins behind the actual switch buttons. Mine ...Gen 3 Dual Battery System for 2018+ JL Wrangler with 3.6L & 2.0L Gas Engine Genesis Offroad launched the first completely integrated, easy to install dual battery system for the Jeep Wrangler in 2013. Never satisfied with 'good enough', we have listened to customer feedback and refined our dual battery system to be.2018 JL Sahara 3.6l auto 55600 miles Service stop/start light on and hood ajar light as well. Remote start also doesn't work. replaced auxiliary battery and ESS still not working and lights still on the dash. Cleaned the grounds to the side by fender and made sure everything was tight when replacingthe auxiliary.@Nicky Pass Hooking up your Battery Tender Junior to the Main batteries, positive and negative terminals will charge BOTH the Main and the Auxiliary battery. Just hook the tender up and it will do it's thing and automatically float/maintain as needed. You can leave it hooked up 24/7. Thanks to the low amp output of the Battery Tender Jr., you do not have to worry about damaging the small 12Ah ...Battery: 17.4 kWh, lithium-ion ... The Jeep Wrangler (JL) is the fourth generation of the Wrangler off-road vehicle, available in two- and four-door bodies. Unveiled at the 2017 Los Angeles Auto Show on November 29, 2017, ... Driver-assist safety features are located in the Active Safety group.Location Manteca, CA Vehicle(s) 2023 4xe Rubicon ... To see how, go to Youtube and search "How TO Replace the Main and Auxiliary Battery on a Jeep JL Wrangler and JT Gladiator Truck" to see how. ... But on second and subsequent cranks the vehicle should crank off of the main battery, and if successful, turn on the ESS off light in the dash. ...Shop for the best Batteries for your 2019 Jeep Wrangler, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. ... Professional Installation Recommended; CCA: 760; CA: 875; RC: 120; AGM; With Start/Stop; Vent To Outside; AGM Battery Required; Battery Located In Engine Compartment. 3 Year Limited Warranty ...

The @Genesis Offroad is NOT the same as the stock design, plus the Genesis eliminates the Golf-Cart battery. I don't know if the Genesis eliminates the ESS or not. I had the TazerJL before the dual battery set up. I believe it does not. The real advantage of the Genesis is if you are running multiple high drain items, like a Winch, Refrigerator, Air Compressor, or you want to run lights with .... Usaa bank locations

jeep jl second battery location

Test & Guide! In this video, I'm demonstrating how to replace BOTH batteries in a Jeep JL 2018 & up! There are 2 ways of doing this, one is removing the fuse box to get to the auxiliary...What are the components i need to check on the 48v battery system to see if there can be an issue or it lost its full charge. ... Location chisholm mn 55719 Vehicle(s) 18 ram bighorn 4x4 18 jeep rangle rubicon May 15, 2020 #11 I park my 2018 jl rubicon 2.0 for winter in Minnesota. I disconnect the positive cable for the 12 volt and then I ...Line: SSB. Check Vehicle Fit. Battery Difficult To Install Battery, Professional Installation Recommended; CCA: 200; AGM; Auxiliary Battery, With Start/Stop; Vent To Outside; AGM Battery Required; Battery Located In Engine Compartment. 1 Year Limited Warranty. Battery Type: AGM. Height (in): 5-3/4 Inch. Length (in): 5-7/8 Inch. Show More. Remove Cables - How to disconnect the cables the right way. 6. Clean Cables - Clean with baking soda, water and a wire brush. 7. New Battery - Install new battery and prevent corrosion. 8. Secure Battery - Replace the bracket to secure the new battery. 9. Replace Cover - Ensure the cover is put back properly. How to replace both your stop star battery and main battery, in your Jeep Wrangler JL. We go through step-by-step how to remove both batteries and change you...When it comes to finding the right battery for your device, you don’t want to waste time searching for the right store. Batteries Plus is a one-stop shop for all your battery needs...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...2019 Jeep Wrangler JL Rubicon Feb 18, 2022. ... Location Inland Empire Website www.instagram.com Vehicle(s) ... likely. If you have the e-torque you don't have the auxiliary battery. You have a 48v battery under your Jeep, toward the back. Something else you don't have if you have the e-torque...an alternator.IBS > Clear/Reset: IBS Sensor: Mopar 68289207AC Disconnect all 12v power to the JL/JT * Now, when 12v power is restored, the IBS starts a lengthy relearn process. Until the relearn process is complete, accurate battery state (MAIN battery) information is unavailable to other vehicle systems.20770 posts · Joined 2013. #2 · May 11, 2021. A independent diode isolated deep cycle battery like used in tow behind trailers that can charge while driving and from solar sounds like what you want. Sent from my iPhone using Tapatalk. Like. Jerry Bransford. 50633 posts · Joined 2005. #3 · May 11, 2021.Caution Jeep Wrangler 4xe 12 Volt battery disconnect is not your standard disconnect. Wrangler 4xe is a PHEV and requires a different procedure for disconnec...2018 JLUR 3.6 Auto 47k miles recently got stop/start unavailable service stop/start message. check engine light not on but Tazer was able to pull code P00FD. I have checked both main and aux battery voltage and both are 12.4 when Jeep is off. anyone Have any idea on what could this be? Jeep drives fine. No issue besides annoying "circle A" light.Here in IA batteries usually last 3-5 years depending on the vehicle and quality of battery. But what I learned from another Jeep forum when I bought my JK is that it's extreme heat that kills a battery quick, not cold. So you guys in TX, AZ, Las Vegas, etc. may find that 2-3 years out of a battery is more typical.I have a 2019 JL Sport S 3.6L manual 50,000 miles. I'm trying to identify a low voltage issue. This is my first vehicle with two batteries so I'm not sure if the aux battery is at fault or not. I have had the battery too low to start the Jeep once. It jumped just fine and I had thought we must have left a door open or something on.second battery. Thread starter toneloc2; ... 2019 jeep wrangler sahara jl Vehicle Showcase 1. Jul 1, 2022 ... Location K-ville, NC Vehicle(s).

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