What you typically see is that under throttle and idle, the voltage is at a low 12.6V. Down the road and coast voltage will go up to 13.2-13.4. The voltage indicated can run from 12.6-14.5 and it depends on the battery needs in regard to a charge. Those that are seeing 14.4V all the time have an issue. 2021 Grand Cherokee L Summit Reserve. Baltic Gray, Tupelo/Black interior Previous Jeeps: 1986 CJ7, 1995 Cherokee, 1995 Wrangler, 1998 Grand Cherokee Tsi., 2000 Cherokee Ltd., 2002 Liberty Ltd., 2005 Grand Cherokee Ltd., 2012 Grand Cherokee Ltd., 2015 Grand Cherokee Summit. and if it counts, my father owned a 1948 Willys. Under the passenger seat is the Aux 14 (ESS Battery) Under the Driver seat is the H6/48 AGM Battery (Main Battery) I have a 23 Laredo, Laredo and Limited Models get the H6/48 Battery. Overland + Summit get a H7/94R 4xe Models have the battery in the rear The operation of the ESS system keeps both batteries connected except during an ESS Stop event. But most 2021 Jeep GRAND CHEROKEE TRACKHAWK s made since 2000 have an electronic throttle body and disconnecting the battery without providing a power backup can cause problems. Late-model cars and multiple computers and specialty modules can “forget” their calibration settings if you simply disconnect the old battery and slap in a new one. Vehicle Fitment; Year Make Model Body & Trim Engine & Transmission; 2023 : Jeep : Cherokee: Altitude Lux, Trailhawk: 2.0L L4 - Gas, 2.4L L4 - Gas: 2022 : Jeep : Cherokee The dreaded A with exclamation symbol came up again for the 2nd time on my 2018 Jeep Wrangler. The first time, under warranty, dealer replaced the small battery for the stop start. If not replaced it will drain the main battery. The 2nd time the small battery died, I was told that I should leave the stop start on every now and then. The average price of a 2021 Jeep Grand Cherokee battery replacement can vary depending on location. Get a free detailed estimate for a battery replacement in your area from KBB.com Sep 1, 2021. #1. Hey all, Wondering if you could confirm or deny something for me. We in the towing industry had someone post a pic today of how to get a 2021 Jeep Cherokee into neutral in case the battery was dead and there was no power to the car. Well what they posted was not similar to what others have experienced with other new Jeep Cherokees. WK2- Grand Cherokee (2011-2021/22 WK) • 2018 Jeep Grand Cherokee Summit 4x4 V8 in Bright White Clear Coat exterior with Indigo / Ski Gray Premium Laguna Leather 2014 Grand Cherokee Limited 4x2 V6 Sold to Carvana for $23,666 08/05/2021 with 28,358 miles 2011 Grand Cherokee Laredo X 4x4 V6 - Sold for $17K 10/26/2019 Reactions: Theroider and Stbentoak kfLUfU.