2018 Jeep Wrangler · symptom sheet
Battery dies or the car will not start
- 46owner reports
- 18,570median miles
- 0involved a crash
Newest report Nov 11, 2025 · checked Oct 2, 2026
267 of the 1,823 complaints on this car are about the electrical system. 46 of those describe dead battery.
Tick what matches of 46 reports
Dead battery on other Wrangler years
Report counts are for each model year on its own, so a newer car has had less time to collect them. Model years with too few reports of it for a sheet: 2014, 2015, 2016, 2017, 2025, 2026.
What this problem usually is
These owners walk out to a car that's dead. Some find it drained after sitting only a day or two, some need a jump start every week, and some have had the battery replaced more than once without the problem going away. A good number describe the dealer testing the battery, calling it fine, and sending them home.
What got replaced
Owners who name the part that was replaced mention the battery (37 reports), the module (6 reports), the alternator (4 reports) and the starter (3 reports).
Recalls and investigations
3 recalls on the electrical system cover the 2018 model year. A recall on the same system isn't always the same failure, so read the defect text.
The instrument panel cluster may experience an internal short circuit and fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Controls and Displays."
The powertrain control module may be equipped with a voltage regulator chip in the circuit board that may fail, causing a stall or a no start condition.
These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging.
All 14 recalls on the 2018 Jeep Wrangler, with the owner complaints on each recalled system
NHTSA investigations into the electrical system on the Wrangler
Instrument panel cluster (ipc) failure. Open.
Loss of motive power. Open.
Pedestrian alert sounds. Closed aug 7, 2023, led to recall 22V-063.
Totally integrated power module failure. Closed jul 24, 2015.
Engine stalling & electric power loss. Closed aug 2, 2007, led to recall 07V-291.
Instrument panel ground screw. Closed may 30, 2000, led to recall 99V-117.
None of these investigations covers the 2018 model year.
When it happens
The middle half of failures fell between 3,000 and 41,000 miles, from the 19 reports that gave a mileage.
Is this a known problem?
The manufacturer has sent NHTSA 13 service bulletins or notices for the 2018 Jeep Wrangler that deal with this problem. Newest first.
Federal rules make a manufacturer send NHTSA a copy of any notice about a defect that goes to more than one dealer or owner. Most of these are service bulletins, the repair instructions manufacturers send to dealers. NHTSA generally leaves safety recall bulletins out of this file, and recalls are listed separately.
Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination.
Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
No Start, Stop Start Inoperative, Battery or Check Engine Light (CEL) Illuminated
9 more on the 2018 Jeep Wrangler page.
What owners wrote
“We found cracks in the battery from swelling. We know for certain that the BPCM needs to be replaced. This issue is the same one the NRTA did a recall on for 2020+ Jeep Wrangler models. I had the issue fixed (was un-driveable) and it cost me over $4000. Looking for detail on why 2018 models werenât considered in the latest recall.”
Filed Nov 5, 2025
“My Jeep Stalled on me in the middle of the street at Night. All of the lights dimmed out including my Emergency lights, I couldnât put into Neutral or turn it on I had to get it towed Home. Both batteries replaced it turns on but stalls. Could be the alternator?”
Filed Sep 4, 2021
Should you keep driving it?
This page can't tell you that. 0 of 46 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Paid for this repair before a recall covered it? How recall reimbursement works
Other problems on this car
- Steering wheel shakes or the "death wobble" 517 reports
- Suspension noise, struts or alignment 342 reports
- Power steering cuts out or goes heavy 117 reports
- Infotainment, screen or backup camera fails 104 reports
- Engine stalls or loses power while driving 96 reports
- Multiple warning lights come on at once 68 reports
- Brakes grind, pulse or wear early 67 reports
- Wheel bearing, tires or wheels 63 reports
- Check engine light or misfire 49 reports
- Traction control or StabiliTrak light comes on 47 reports
- Steering sticks, feels notchy or jerks 42 reports
- Paint peels or body rusts 40 reports
- Windshield cracks or distorts 27 reports