ColdCase. The way passive entry and push button start works is, when the door handle is touched, or the start button is pressed, the PEM sends out a challenge message to the FOBS and expects a reply with a certain key code. If it receives the code it sends it on to the WIN to start. So you probably have a corrupted PEM that has lost the key or To replace the battery in your jeep grand cherokee key fob, locate the small slot on the side of the fob and insert a flat-head screwdriver or a coin to separate the two halves. Once open, carefully remove the old battery and replace it with a new cr2032 battery. Make sure to align the positive and negative sides properly before sealing the fob. The low key fob battery isn’t the issue — that won’t cause a non start afaik. It sounds to me that the key she’s using isn’t programmed to your Jeep — meaning the chip inside the key isn’t being recognized by the Jeeps SKIM (sentry key immobilizer module) computer as a valid key. That’s normal behavior for a key that’s been X AUTOHAUX 2pcs 433MHz 46 Chip M3N40821302 Replacement Keyless Entry Remote Car Key Fob for Jeep Grand Cherokee 2014-2022 for Dodge Durango 2014-2022 4 Buttons with Door Key. $3499. FREE delivery Thu, Nov 30 on $35 of items shipped by Amazon. Or fastest delivery Tue, Nov 28. House of HybridsWe are now located 15140 Goldenwest Cir, Westminster, CA - 92683 INTGET Car Center Console Armrest Cover for 2011-2020 2021 Jeep Grand Cherokee Accessories Arm Rest Box Pad Console Lid Protection Saver for Grand Cherokee Console Cover(Black) $25.50 $ 25 . 50 Get it by Friday, Jan 5 This video will show you How To Replace A 2005 - 2007 #Jeep #GrandCherokee #Key Fob Battery To Order This Remote Visit: You just need a blast of solvent in there to free up the sticking tumblers. A quick shot of brake parts cleaner will do the trick followed by a few key inserts. For the door, there may also be a sticking tumbler issue. Try also adjusting the amount of pressure placed on the key in and out as you turn. Redacted. You can Look on the plastics down by your diagnostic port, anywhere down there and the area over by the hood release. If there is one you should be able to press this button with the key on, and the alarm should shut off. Some combination of the above could work depending on the manufacturer of the alarm. Reply Like. After that, take the keypad and place it in the fob. Take the two halves of your key fob and snap them together. If you have a key fob that contains a metal emergency key, replace it after closing the compartment. After you have completed the replacement process, test the new batteries by pressing "lock" or "unlock" key fob buttons. zTjw5z.