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Service bulletins for the 2020 Jeep Wrangler

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1020 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
23-001-212022-08-22. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT; UNKNOWN OR OTHER. Rear Glass Prop Rod Failure This bulletin involves inspecting the rear backlite prop rod Julian dates and possibly replacing both prop rods. Customer may comment on the following:Rear glass fails to stay in the open position (prop rods will not support glass).
08-019-212022-07-18. Service bulletin. BACK OVER PREVENTION; SEAT BELTS; STRUCTURE; TRAILER HITCHES; ELECTRICAL SYSTEM; LANE DEPARTURE; EXTERIOR LIGHTING. Flash: Anti-Lock Brake System (ABS) Module Updates This bulletin involves reprogramming the ABS module with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Code (DTC) has been set: B1783-01 - Stop Lamp Control - General Electrical Failure. The customer may also comment or note that the DTC set after the installation of a Mopar or an aftermarket trailer brake controller.The 12 volt back feed of the aftermarket trailer brake controller into the redundant connection between the Body Control Module (BCM) and the Anti Lock Brake Module (ABS) is causing a design intent diagnostic detection of the stop lamps.Software enhancement includes:Removal of the warning lamp associated with this DTC so an aftermarket trailer brake controller can be used.
S22230000292022-05-31. Service bulletin. STRUCTURE:BODY:DOOR; STRUCTURE. Rattle Noise From Door
90045052022-05-31. Service bulletin. STRUCTURE; EQUIPMENT:ELECTRICAL. Lithium Ion Batteries Beginning April 1, 2022, a $5,000 penalty will be assessed to dealers who return any visually damaged battery to the supplier. Improper handling of damaged lithium ion batteries can cause property damage, serious injury or even death. Exemptions will not be made for any dealer who fails to follow the appropriate handling process. To read the DCMail communication, go to DealerCONNECT > DCMail (ID: 81758) For details on recyclers, please visit the Mopar Dealer Site Lithium Ion Battery Handling page: https://www.dealers-mopar.com/moparone/retail/programs/battery-program/lithium-ion.jsp
S21230000792021-12-13. Service bulletin. STRUCTURE:BODY:DOOR; BACK OVER PREVENTION; VEHICLE SPEED CONTROL. Wind Noise And Or Water Leak From Door Seal Area
23-014-212021-05-24. Service bulletin. STRUCTURE. Soft Top Wear Due To Contact With Number Two Bow Side Frame Link This bulletin includes inspecting the soft top in the closed position for wear or holes and applying anti-wear tape. Customers may comment on one or more of the following:Wear on soft top cover. A hole in soft top cover.
S21230000152021-04-26. Service bulletin. STRUCTURE. Creak Tick Pop Noise From Door Or Doors
W88 Combo2021-03-15. Service bulletin. STRUCTURE. Customer Satisfaction Notification W88 MOPAR Grab Handles
08-019-212021-02-16. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; BACK OVER PREVENTION; TRAILER HITCHES; SEAT BELTS; LANE DEPARTURE. Flash: Anti-Lock Brake System (ABS) Module Updates This bulletin involves reprogramming the ABS module with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Code (DTC) has been set: B1783-01 - Stop Lamp Control - General Electrical Failure. The customer may also comment or note that the DTC set after the installation of a Mopar or an aftermarket trailer brake controller.The 12 volt back feed of the aftermarket trailer brake controller into the redundant connection between the Body Control Module (BCM) and the Anti Lock Brake Module (ABS) is causing a design intent diagnostic detection of the stop lamps.Software enhancement includes:Removal of the warning lamp associated with this DTC so an aftermarket trailer brake controller can be used.
S21230000032021-02-16. Service bulletin. STRUCTURE. Buzz Squeak Rattle From Floor Dash And Interior Items
31-002-202020-11-30. Service bulletin. STRUCTURE. Aluminum Body Panel Corrosion Repair This bulletin involves inspecting and if necessary removing corrosion and refinishingthe suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
S19230000182020-08-24. Service bulletin. EQUIPMENT; STRUCTURE. Water Leak From Front Or Rear Of Sky Slider Open Top
23-015-202020-05-26. Service bulletin. STRUCTURE; EQUIPMENT. Disinfectant Solution Recommended for COVID-19
S18190000042020-05-18. Service bulletin. STRUCTURE. Shimmy Felt In Front End
S18190000042020-04-27. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Shimmy Felt In Front End
S20030000012020-04-27. Service bulletin. STRUCTURE:BODY:BUMPERS. Noise From Front Axle Area Over Bumps
S20230000122020-04-06. Service bulletin. STRUCTURE; EQUIPMENT. Wind Whistle Noise From Glove Box Area Above 35 MPH
S20230000112020-04-06. Service bulletin. STRUCTURE. Wind Noise And Or Gap At Front Door Mirror Flag

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.