MyCarTSB

2021 Jeep Wrangler Brakes Problems

10 owner-reported brakes complaints from NHTSA data

10
Complaints
2
Crashes
Jan 2025Oct 2023
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (10)

criticalSERVICE BRAKES, AIR,POWER TRAIN,ELECTRICAL SYSTEM
CrashFiled: Jul 2022

The contact owns a 2021 Jeep Wrangler. The contact stated that while at a stop light and attempting to accelerate, the vehicle would not drive forward and the gear shifter lights began blinking.

NHTSA #: 11475292
highSERVICE BRAKES
Filed: Sep 2025

Vehicle went in for repair of no power boost to brakes. Dealership replaced brake booster, no change. Dealership replaced vacuum pump, fixed issue.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11687224
highSERVICE BRAKES,ENGINE
Filed: Jan 2025

Received regenerative braking must be serviced notice, followed by loss of motive control. Push accelerator, would not accelerate and actually rolled backwards, multiple notification lights came on, car started to move after 5 seconds, happened again. pulled over to turn on/off car, car would NOT turn on.

NHTSA #: 11634682
highSERVICE BRAKES, HYDRAULIC
Filed: Jul 2023

The contact owns a 2021 Jeep Wrangler. The contact stated while parking in the driveway, the contact depressed the brake pedal, and the pedal went the floorboard. The contact desperately depressed the brake pedal however, the vehicle failed to stop, causing the vehicle to strike the front porch of the residence, and side swiping the contact's other vehicle.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11534886
highSERVICE BRAKES, HYDRAULIC,SERVICE BRAKES, AIR
Filed: May 2023

The contact owns a 2021 Jeep Wrangler. The contact stated while driving 30 MPH, the braking system failed to operate as designed with the anti-lock braking system (ABS) and electronic stability control (ESC) warning lights illuminated. Due to the failure, the vehicle was towed to the dealer where two attempts were made to replace the ABS; however, the failure persisted after the repair.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11524508
highSERVICE BRAKES
Filed: Oct 2021

New vehicle brake failure. Dealer Replaced Master Cylinder defect. Pedal goes completely to floor occasionally no brakes.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11435337
mediumSERVICE BRAKES
Filed: Jul 2025

I have a 2021 jeep wrangler and the brake hose went on the driver front side. Mopar product ID is 68307451AH. I have called numerous dealerships and Mopar themselves.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11675389
mediumSERVICE BRAKES
Filed: Oct 2023

I was casually driving home from work in a 35 MPH zone on a standard road. When my 2021 jeep wranglers 4xe (30,000 miles exactly) ABS, and electronic brake stabilizer warning lights came on. I touched the brake and they were non-responsive.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11549357
lowSERVICE BRAKES
Filed: Aug 2024

Right real axel seal went bad at 26000 miles.

Parts you may need:

As an Amazon Associate, MyCarTSB earns from qualifying purchases.

NHTSA #: 11606845
lowSERVICE BRAKES,ENGINE,FUEL/PROPULSION SYSTEM
CrashFiled: Apr 2023

Today this morning I parked, put the gear in park and all of a sudden the car ravaged up and jumped forward, causing me to go through a fence and stopped. I had my foot on the break the whole time.

NHTSA #: 11518038

Other 2021 Jeep Wrangler Issues