2018 Jeep Wrangler service brakes, hydraulic problems
13 owner complaints filed with NHTSA name the service brakes, hydraulic on the 2018 Jeep Wrangler — 1% of all complaints for this model year.
What owners report
“The contact owns a 2018 Jeep Wrangler JK. The contact stated that the ABS warning light was illuminated. While driving, the vehicle experienced a loss of traction, a pulsating or pumping sensation in the brake pedal, and skidded easily upon heavy brake application. The contact associated the…”
filed Jul 6, 2026
“The contact owns a 2018 Jeep Wrangler. The contact stated that while driving 20 miles away after an hour, the vehicle lost power steering and power braking functionality, and the transmission unexpectedly downshifted to a lower gear. The vehicle was turned off. The check engine warning light was…”
filed Jun 23, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes, Hydraulic problems in other Wrangler years
| Year | Reports | Share |
|---|---|---|
| 2021 Wrangler | 2 | 0% |
| 2020 Wrangler | 1 | 0% |
| 2019 Wrangler | 2 | 0% |
| 2017 Wrangler | 1 | 0% |
| 2016 Wrangler | 12 | 3% |
| 2015 Wrangler | 12 | 3% |
| 2014 Wrangler | 8 | 1% |
| 2013 Wrangler | 1 | 0% |
| 2012 Wrangler | 4 | 0% |
| 2011 Wrangler | 4 | 1% |
| 2010 Wrangler | 8 | 1% |
| 2009 Wrangler | 3 | 1% |
Other reported problem areas on the 2018 Jeep Wrangler
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.