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2021 Jeep Wrangler Service and Repair Manual
Regular price
$49.99 USD
Unit price
Covers all 2021 Wrangler trims — Unlimited Rubicon Sport Utility 4-Door, Islander Sport Utility 2-Door, Unlimited Rubicon 4xe Sport Utility 4-Door +4 more ·
Digital manual — nothing ships
Matched to your exact vehicle
Money-back guarantee, pay once
4.7
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Trusted by 14,000+ mechanics & DIYers
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Complete repair procedures
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$49.99
2021 Jeep Wrangler Service and Repair Manual
Regular price
$49.99 USD
Unit price
The 2021 Jeep Wrangler was offered with four engines and twenty-five trims. This factory service and repair manual is matched to this exact year, so the specifications and sequences are correct for your engine and trim.
Engines
- 2.0L I4 turbo (122 cu in), DOHC
- 3.0L V6 turbo (182 cu in), DOHC
- 3.6L V6 (220 cu in), DOHC
- 6.4L V8 (392 cu in), OHV
Trims
- 80th Anniversary
- Freedom
- Islander
- Rubicon
- Sport
- Sport S
- Unlimited 80th Anniversary
- Unlimited Freedom
- Unlimited High Altitude
- Unlimited High Altitude 4xe
- Unlimited Islander
- Unlimited Rubicon
- Unlimited Rubicon 392
- Unlimited Rubicon 4xe
- Unlimited Sahara
- Unlimited Sahara 4xe
- Unlimited Sahara Altitude
- Unlimited Sahara High Altitude
- Unlimited Sport
- Unlimited Sport Altitude
- Unlimited Sport S
- Unlimited Willys
- Unlimited Willys Sport
- Willys
- Willys Sport
Known issues on the 2021 Wrangler. Eleven recalls are on federal record for this model year: a traction battery that can catch fire and cause injury, overheated clutch components that can lead to a fire (two separate recalls), a rearview camera that fails to display an image and reduces the driver's rear view, an engine shutdown that can cause a loss of drive power, a fuel leak that can ignite in the presence of an ignition source, a second traction-battery fire that can occur while parked or driving, an inoperative windshield defrosting and defogging system that can reduce visibility, a seat belt pretensioner failure that may not properly restrain an occupant in a crash, a gasoline fuel pump fault that can cause an engine stall, and a diesel fuel pump failure that can result in an engine stall. Owners have filed 1,436 complaints and Jeep has issued 1,016 technical service bulletins for the year.
Whether it is a routine service interval or a hard-to-trace fault, everything stays specific to your 2021 Wrangler — the right engine, trim, and year.
Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
Consequence
Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.
Remedy
FCA US LLC will notify owners, and dealers will add software to reduce engine torque capability when clutch assembly temperatures rise to a level that may damage the inner pressure plate, free of charge." FCA has ordered a stop sale for the affected vehicles as of February 25, 2021. Owner notification letters were mailed on March 4, 2021.
Chrysler (FCA US, LLC) is recalling certain 2020-2021 Jeep Wrangler, RAM 1500 and 2021 Jeep Gladiator vehicles. A radio software error may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence
A rearview camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.
Remedy
Dealers will update the radio software, free of charge. Owner notification letters were mailed October 6, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA, LLC's number for this recall is Z86.
Chrysler (FCA US, LLC) is recalling certain 2022 Ram 1500, Jeep Gladiator, and 2021 Jeep Wrangler vehicles. The front seat belt retractors may have an improperly welded micro gas generator, which can result in seat belt pretensioner failure.
Consequence
A seat belt with pretensioner failure may not properly restrain an occupant during a crash, increasing the risk of injury.
Remedy
Dealers will replace the front seat belt retractors. free of charge. Owner notification letters were mailed December 8, 2022. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z95.
Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.
Consequence
An engine stall can increase the risk of a crash.
Remedy
Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler 4xe vehicles equipped with 2.0L Plug-In Hybrid Electric Vehicle engines. A loss of communication may cause an engine shutdown.
Consequence
An engine shutdown can cause a loss of drive power, increasing the risk of a crash.
Remedy
There is more than one involved component and calibration software. Updating the calibration software in the Transmission Control Module, Hybrid Control Processor and Auxiliary Hybrid Control Processor that changes fail safe from shut down to limp home. Dealers will update the transmission control module software, Hybrid Control Processor and Auxiliary Hybrid Control Processor, free of charge. Owner notification letters were mailed December 22, 2022. Owners may contact FCA US, LLC customer s
Chrysler (FCA US, LLC) is recalling certain 2018-2023 Jeep Wrangler, and 2020-2023 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.
Consequence
Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.
Remedy
Dealers will replace the clutch assembly and update the software, free of charge. Owner notification letters were mailed from November 16, 2023 through July 25, 2024. Owners may contact (FCA US, LLC) customer service at 1-800-853-1403. FCA US LLC's number for this recall is 19A. This recall expands and replaces previous recall 21V-028. Vehicles previously repaired under recall 21V-028 will need to have the new remedy completed.
Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler vehicles. A stud on the frame assembly may puncture the fuel tank in a crash, which can result in a fuel leak.
Consequence
A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy
Dealers will inspect and, if necessary, remove the frame stud and apply paint, free of charge. Owner notification letters were mailed April 6, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 28A.
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler, Gladiator, and 2022-2023 Ram 1500 vehicles equipped with a 3.0L diesel engine. The high pressure fuel pump (HPFP) may fail.
Consequence
Fuel pump failure can result in an engine stall, increasing the risk of a crash.
Remedy
Dealers will replace the HPFP and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 01A.
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler Plug-In Hybrid Electric (PHEV) vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Consequence
A vehicle fire while parked or driving can increase the risk of injury.
Remedy
Owners are advised not to recharge their vehicles, and to park outside and away from structures, until they are repaired. Dealers will update the high voltage battery pack software and replace the battery pack assembly if necessary, free of charge. Owner notification letters were mailed March 7, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 89A. This recall is superseded by NHTSA Recall 24V-720.
Chrysler (FCA US, LLC) is recalling certain 2021-2024 Jeep Wrangler and 2022-2024 Jeep Grand Cherokee vehicles. A hybrid control processor (HCP) software error may cause the defrosting and defogging system to be inoperative. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 103, "Windshield Defrosting and Defogging Systems."
Consequence
An inoperative windshield defrosting and defogging system may decrease the driver's visibility, increasing the risk of a crash.
Remedy
Dealers will update the HCP software, free of charge. Owner notification letters were mailed February 29, 2024. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is 04B.
Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Wrangler and Jeep Gladiator vehicles that were previously remedied under NHTSA recall number 23V-116. The software for the powertrain control module may cause an engine stall, which can result in a loss of drive power.
Consequence
A loss of drive power increases the risk of a crash.
Remedy
Dealers will update the powertrain control module software, free of charge. Owner notification letters were mailed August 15, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is 92B. Vehicles previously repaired under recall 23V-116 will need to have the new remedy completed.
Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. 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."
Consequence
An instrument panel that fails to display critical safety information, such as the speedometer or warning lights, can increase the risk of a crash.
Remedy
Dealers will replace the instrument panel cluster, free of charge. Owner notification letters were mailed between October 3, 2024, and January 23, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 30B.
Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence
A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.
Remedy
Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.
Chrysler (FCA US, LLC) is recalling certain 2020-2025 Jeep Wrangler 4Xe and 2022-2026 Grand Cherokee 4Xe vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Consequence
A vehicle fire can increase the risk of injury.
Remedy
Owners are advised to park outside and away from structures and not to charge their vehicles until the remedy is completed. Dealers will update the high voltage battery software, and replace the high voltage battery, as necessary, free of charge. Some owner notification letters were mailed beginning December 17, 2025. The remaining owner notification letters will be mailed at a later date. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 68C. Ve
Chrysler (FCA US, LLC) is recalling certain 2021-2025 Jeep Wrangler, Wrangler 4XE, and Jeep Gladiator vehicles. The electric hydraulic power steering pump wiring may overheat and cause a vehicle fire, even when the vehicle is parked with the ignition in the "Off" position.
Consequence
A vehicle fire increases the risk of injury.
Remedy
Owners are advised to park outside and away from structures, until their vehicle is repaired. Dealers will inspect and replace the wiring and electric hydraulic power steering pump, as necessary, free of charge. Owner notification letters are expected to be mailed July 9, 2026. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is 21D. The Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov on June 1
ID-25-11 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
D-25-15 Rev. C Aluminum Filiform Corrosion Warranty Policy and Vehicle Digital Imaging (VDI) Pre-Approval Process - ALL Vehicles
EMISSION RECALL NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL an
CORE HEATER
CORE HEATER
THROTTLE BODY NONE
THROTTLE BODY NONE
MOTOR - BLOWER WITH WHEEL
Showing the 8 most recent of 1032 technical service bulletins on file with NHTSA.
High impact six car pile up, vehicle at a complete stop and hit at a high rate of speed. Front passenger side front impact as well as rear impact, no airbags deployed.
I was involved in a car accident I was hit on the driver back side vehicle Jeep rolled over several times no airbags deployed
The contact owned a 2021 Jeep Wrangler. The contact stated that while driving on the highway at 45 MPH, the instrument panel cluster went out and the vehicle experienced a slight loss of automotive power, and the front headlights failed, the contact was then involved in a head on collision, where the front passenger side was impacted. The vehicle came to a stop upon impact. The air bags were deployed. The vehicle was towed to a junk yard. A police report was filed. The vehicle was destroyed. The
My husband was turning left from one highway to another highway when a car who was trying to pass multiple vehicles behind us hit us on drivers side as we were turning causing my 2021 Jeep to be pushed completely off the road and into a ditch where we hit a large pole/electrical pole. We hit the pole so hard that it moved it. Our air bags did not deploy at all. I got a notification on my Jeep app stating that there was airbag failure. My husband and my body were shook pretty bad from the incide
Had an auto accident was going between 30-40 miles and the airbag did not deploy. I hit my breast and abdomen against the wheel and have multiple bruises and bruised ribs. I feel that if the airbag would have worked properly I would not have these types of injuries.
In front collision seatbelt did not properly lock from shoulder attachment, causing driver to smack their face on the steering wheel. Also, airbags did not deploy.
Air bags never deployed when I was struck by a vehicle going 55 mph.
I was traveling on the [XXX] on Sunday [XXX] and while started smelling brakes and I got off at the service area and pressed on the brake pedal and the vehicle wouldn’t stop. I had no brake pedal and just heard a clicking sound. There were people everywhere and I didn’t want anyone to get hurt so I had no choice but to drive the vehicle towards a yellow pole which did stop the vehicle but I have been told after the car was towed to a shop that there is an error code B22A9 and believe it was caus
While pulling into parking lot jeep suddenly accelerated deployed brakes it would not stop. Hit pillar in front of store. Did considerable damage to build and vehicle.
I pulled my Jeep into my driveway. I put the car in park with my foot on the brake. When I went to turn the car off, I heard a loud sound coming from the car. the car jerked forward, my foot still on the brake, and then it took off into the side of my house and garage. I tried to stop the car with the brakes and it wouldn't stop. After it hit the house, I looked down and the car was still in park. I had to restart the car as it shut off after hitting the house, I put the car in reverse and backe
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. Suddenly the vehicle would lurch forward and backward crashing into both the vehicles in the front and rear and a third parked vehicle before finally the driver was able to shift into park and turn the vehicle off. During the incident, the Stability Control, ABS, and Traction Control warning lights had i
1. What component or system failed or malfunctioned, and is it available for inspection upon request? The hybrid-electric system, including the high-voltage battery, battery pack control module (BPCM), and associated cooling systems, repeatedly malfunctioned. These failures caused loss of power while driving, electrical odors, and error messages. The vehicle is currently at the dealership for service and is available for inspection upon request. 2. How was your safety or the safety of others pu
While driving my vehicle in four-wheel-drive low, with no lockers engaged I noticed that the rear wheels at different times were dragging, I could also hear and feel the ABS module actuating. During these events I would have diminished breaking capabilities and no ABS warning lights. it was doing it under 5 miles an hour at first and then higher speeds. I got a service ABS, service traction control, service stability control, four-wheel-drive unavailable, service four-wheel-drive system Messag
The contact owns a 2021 Jeep Wrangler. The contact stated while attempting to park the vehicle, the vehicle independently accelerated while the brake pedal was depressed. As a result, the vehicle crashed into the rear of a vehicle parked on the street. The air bags failed to deploy. A police report was not filed. There were no injuries sustained. The vehicle was not drivable. The vehicle was towed to an impound lot. The vehicle was not diagnosed nor repaired. A dealer was not contacted. The manu
The contact owns a 2021 Jeep Wrangler. The contact stated that while pulling into the parking space, the vehicle suddenly lunged forward crashing into the rear of a parked vehicle which then crashed into the rear of a second parked vehicle. The contact indicated that the vehicle lunged forward while the accelerator pedal was released in order to press the brake pedal. During the incident, no injuries were reported. A police report was taken at the scene. The cause of the failure was not determi
Showing the 15 most serious of 906 complaints filed with NHTSA.
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