When I mentioned that the new battery I just inserted in the fob was reading 3.06 volts and that the old battery was reading 2.97 when it completely stopped working. The tech told me that Chrysler fobs are very sensitive to low batter voltage and the most likely cause of my issues was that the battery's, both old and new were below 3.1 volts. 5-9-L. 25 posts · Joined 2013. #3 · Sep 6, 2014. I had occasional keyfob not detected issue with early build 2014 Overland (March 2013 build). Keyfob would be detected fine to unlock door but not to start. Open door and alarm would go off. wait long enough and all would be OK. 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. The rear cover of the key fob is marked with the words "CR2032 + Side down". Insert New Battery: Line Up Key Fob Halves: Snap Together Key Fob: Insert the new CR2032 3 volt battery with the positive "+" side facing down in to the rear cover of the key fob. Line up the two halves of the fob and gently snap them back together. If the battery in your 2020 Jeep Cherokee's key fob stops working, it may need a new battery. Learn how to replace it here.Transcript[music playing]No batter Intermittent Key Fob 2007 Cherokee. 2007 Grand Cherokee (base WK). Both fobs started doing this at the same time so battery or soldering issues would be odd. I can get in manually and turn the truck over, so just the lock/unlock on the fobs is not always working. Get out right after turning off the jeep, use the fob (s) to lock/unlock - no House of HybridsWe are now located 15140 Goldenwest Cir, Westminster, CA - 92683 A battery for a Jeep Grand Cherokee will start at about $250 and move up in cost from there, depending on the brand and type of battery you choose. Of course there's more to your Grand Cherokee than just the battery under the hood. Batteries Plus offers a wide array of light bulbs for your Jeep as well, from headlamps to brake lights to lights 2. Turn ignition switch to OFF and remove key. 3. Insert second programmed key into ignition and turn ignition switch to ON. You must do this within 15 seconds of removing first key. After 10 seconds the immobilizer warning lamp will illuminate and an audible tone will be heard. 4. Turn ignition switch to OFF and remove key. 5. 0etf.

jeep grand cherokee 2012 key fob battery