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Service bulletins for the 2021 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.

1062 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
Emissions Recall2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
820082022-05-31. Service bulletin. EQUIPMENT. Warranty Operations Newsletter Volume 8, Issue 2
S1908000159 RevA2022-05-31. Service bulletin. ELECTRICAL SYSTEM. MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
S2118000015 RevB2022-05-31. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S22230000292022-05-31. Service bulletin. STRUCTURE:BODY:DOOR; STRUCTURE. Rattle Noise From Door
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22080000632022-05-31. Service bulletin. STEERING; ELECTRICAL SYSTEM. Loss of power steering assist. U0131 Lost Communication With Electric Power Steering Control Module
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22080000672022-05-31. Service bulletin. ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM. No Start, Service Hybrid Electric Cluster Message, Turtle Warning Lamp On
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
90045012022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES. PUMP, Washer, Windshield Windshield washer pump is inop or low pressure If customer comes in with the issue described above, please contact the following individuals prior to servicing the vehicle. FCA Redacted Content If no response in 15 minutes, proceed with repair.
90044912022-05-31. Service bulletin. EQUIPMENT; SUSPENSION. SHOCK ABSORBER KIT, Suspension, Front/Rear For concern of shock oil leak, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with the repair.
08-177-212021-12-13. Service bulletin. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM. BEV/Hybrid - Showroom and Display Vehicle Battery Maintenance This information only bulletin discusses procedures that must be followed for BEV/Hybrid vehicles that are on display at dealership showrooms.
05-006-212021-12-13. Service bulletin. PARKING BRAKE; WHEELS; SERVICE BRAKES. Rear Caliper Adapter Bolts Are Loose Or Missing This bulletin includes replacing all four rear caliper adapter bolts if loose or missing. Customers may comment on one or more of the following:Click or clunk from the rear of the vehicle. A missing or loose rear brake caliper adapter boltFig. 1.Missing And Loose Caliper Adapter Bolts
S21230000792021-12-13. Service bulletin. STRUCTURE:BODY:DOOR; BACK OVER PREVENTION; VEHICLE SPEED CONTROL. Wind Noise And Or Water Leak From Door Seal Area
S21080002702021-12-13. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Sky Slider Power Top Does Not Operate, New Power Top Motors Will Not Power Operate To Calibrate
S21080002692021-12-13. Service bulletin. AIR BAGS:SENSOR:SIDE IMPACT. Air Bag Lamp On, DTC B2761-11 B Pillar Side Impact Sensor Circuit Short
S2109000005 Rev.2021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Issue is engine cover not installed from the factory.
S21230000742021-12-13. Service bulletin. WHEELS. Front Wheel Well Splash Liner Contacting Tire
90044482021-12-13. Service bulletin. SERVICE BRAKES. MASTER CYLINDER, Brake Prior to replacing the master cylinder please call Paul Kuehl at (248) 535-7013FCA Redacted Content. If no response in 15 minutes, proceed with repair.
90044472021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. COVER, Engine 2021 JL / JT Engine Cover Removal - Dealer notification for removal of cover. Please note that the Aesthetic Engine Cover (05281562AC) has been removed on ALL JL/JT 3.6L Vehicle Configurations. Please note that a lack of engine cover matches engineering release. The engine cover will no longer be included on any 3.6L models of the JL/JT. Additionally, please note that it is OK to proceed to vehicle sale with the related front and rear engine cover brackets (05281948AB, 05281949AB) is OK. Brackets are not required to be removed prior to vehicle sale and will be removed from future vehicle builds. Please note that any dealer attempt to add an engine cover, or remove related bracketry, will be subject to dealer charge back for the associated costs.
90044442021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. SPRING, Valve For conern of misfire or misfire related DTCs and diagnosis leads to a broken valve spring, please replace all valve springs and contact FCA Redacted Content to FasTrak all replaced parts to QEC for further analysis. If no response in 15 minutes, proceed with repair.
08-090-212021-06-28. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. UKG Radio Enhancements This bulletin involves updating the radio software level to 2036.07. Customers may experience one or more of the following:Screen flickering. Carplay audio does not always resume. In addition, the following software enhancements are available:Apple certification enhancements. Google certification enhancements.
08-089-212021-06-28. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. UGA and UGG Radio Enhancements This bulletin involves inspecting and if required updating the radio software to 2036.08. Customers may experience one or more of the following: Screen flickering. Carplay audio does not always resume. Battery Save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule, it does nothing. In addition, the following software updates are also available:Apple® certification enhancements. Google® certification enhancements.

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