2021 Jeep Wrangler Service and Repair Manual
2021 Jeep Wrangler service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
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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
A vehicle fire can increase the risk of injury.
Owners are advised to park outside and away from structures and not to charge their vehicles until t
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.
Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby
FCA US LLC will notify owners, and dealers will add software to reduce engine torque capability when
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
A rearview camera that does not display an image reduces the driver's rear view, increasing the risk
Dealers will update the radio software, free of charge. Owner notification letters were mailed Octo
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.
An engine shutdown can cause a loss of drive power, increasing the risk of a crash.
There is more than one involved component and calibration software. Updating the calibration softwa
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.
A fuel leak in the presence of an ignition source increases the risk of a fire.
Dealers will inspect and, if necessary, remove the frame stud and apply paint, free of charge. Owne
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.
Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby
Dealers will replace the clutch assembly and update the software, free of charge. Owner notificatio
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 dr
A vehicle fire while parked or driving can increase the risk of injury.
Owners are advised not to recharge their vehicles, and to park outside and away from structures, unt
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
An inoperative windshield defrosting and defogging system may decrease the driver's visibility, incr
Dealers will update the HCP software, free of charge. Owner notification letters were mailed Februa
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
A seat belt with pretensioner failure may not properly restrain an occupant during a crash, increasi
Dealers will replace the front seat belt retractors. free of charge. Owner notification letters wer
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, ca
An engine stall can increase the risk of a crash.
Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessar
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.
Fuel pump failure can result in an engine stall, increasing the risk of a crash.
Dealers will replace the HPFP and replace additional fuel system components, as necessary, free of c
Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P0B0D-00 - Electric/Auxiliary Transmission Fluid
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
Wind Noise From Hard Top Freedom Panels Near Rear View Mirror While Driving.
Rear Defroster Inoperative Customers may experience one or more of the following: SYMPTOM: Rear window is not defrosting. The rear window glass left or right side defrost solder terminal is detached from the defrost grid. This bulletin invo
Emissions Recall 16C - Check Engine/Malfunction Indicator Lamp - Dealer Notification (Revision 2)
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P0111-00 - In
Showing the 8 most recent of 1016 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
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 pushe
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 pushe
Air bags never deployed when I was struck by a vehicle going 55 mph.
Showing the 5 most serious of 1436 complaints filed with NHTSA.
Need a manual for a different year? Browse every Jeep Wrangler we cover.
2024
Jeep Wrangler
$49.99
2023
Jeep Wrangler
$49.99
2022
Jeep Wrangler
$49.99
2020
Jeep Wrangler
$49.99
2019
Jeep Wrangler
$49.99
2018
Jeep Wrangler
$49.99
2017
Jeep Wrangler
$49.99
2016
Jeep Wrangler
$49.99
2015
Jeep Wrangler
$49.99
2014
Jeep Wrangler
$49.99
2013
Jeep Wrangler
$49.99
2012
Jeep Wrangler
$29.99
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