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
| 2302322 | 2022-09-26. Service bulletin. BACK OVER PREVENTION; WHEELS. Red Rust On Rear Bumper Bolts This bulletin includes replacing all four bumper bolts. Customers may comment on the following: Red rust is present on the rear bumper bolts equipped with steel bumpers |
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| 2302122 | 2022-09-26. Service bulletin. SEAT BELTS; SEATS. Front Seat Will Not Unfold and Lock Into Position This bulletin involves replacing the Easy Entry release cable and both front seattrack seat position returns. Customers may experience one or both of the following: This may be an intermittent condition the customer experiences.One or both of the front seats will not unlock from the Easy Entry position. One or both of the front seats will not unfold and lock back into the upright position. The vehicle cannot be driven due to this condition. |
| 1400322REVA | 2022-09-26. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. 6.4L Fuel Injector High Flow Misfire This bulletin involves inspecting the Julian date on the fuel rails, fuel injectorsand possibly replacing fuel injectors. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P0307 - Cylinder 7 Misfire. P0308 - Cylinder 8 Misfire. The customer may also describe: Rough idle or misfire while driving. |
| S228A000004RevB | 2022-09-26. Service bulletin. BACK OVER PREVENTION. Panasonic VP4R Wi-Fi New Enrollment Pause |
| S2108000270RevB | 2022-09-26. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Sky Slider Power Top Does Not Operate. New Power Top Motors Inoperative |
| S1908000122RevA | 2022-09-26. Service bulletin. LANE DEPARTURE. Air Bag Warning Lamp On, Service Air Bag Message Displayed On Cluster |
| S228A000004RevA | 2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Panasonic VP4R Wi-Fi New Enrollment Pause |
| S2208000124 | 2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. U0184 Loss Communication With Radio Setting In Multiple Modules |
| S2108000270RevA | 2022-09-26. Service bulletin. POWER TRAIN. Sky Slider Power Top Does Not Operate. New Power Top Motors Inoperative |
| S1819000004 | 2022-09-26. Service bulletin. STEERING. Shimmy Felt In Front End |
| S2213000001 | 2022-09-26. Service bulletin. STRUCTURE. Frame Bracket Attached To Right Front Frame Rail Behind Front Tire. |
| S2208000120 | 2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. No Start, No Crank, Battery IOD |
| 9004527 | 2022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. Valve Cover Gasket It is advised to replace the full valve cover assembly if you are experiencing a valve cover leak Engineering has updated the skirt height of the valve cover to address oil leaks. Replace the valve cover (part # 04893800AI (right side) or 04893799AH (left side)includes valve cover gasket) to ensure proper repair. Please call FCA Redacted Content to facilitate fast track shipment of failed part. |
| 9003990 | 2022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC Blower Motor For concerns of intermittent or inoperative blower fan operation please contact FCA Redacted Content prior to replacement as returns have come back no trouble found. If no response in 15 minutes, proceed with repair. |
| 0810621REVA | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM. 12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U3007-00 - Control Module Input Power "B" Circuit/Open. C2100-00 - Battery Voltage Low. C05A4-00 - Wheel Speed Sensors Supply Circuit Low. C2129-00 - Battery Voltage. U3006-00 - Control Module Input Power "A" Circuit/Open. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. B21DD-84 - System Voltage-Signal Below Allowable Range. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start. |
| 0810621 | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM. 12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U3007-00 - Control Module Input Power "B" Circuit/Open. C2100-00 - Battery Voltage Low. C05A4-00 - Wheel Speed Sensors Supply Circuit Low. C2129-00 - Battery Voltage. U3006-00 - Control Module Input Power "A" Circuit/Open. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. B21DD-84 - System Voltage-Signal Below Allowable Range. B2199-16 - Battery Voltage-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start. |
| 0200221 | 2022-09-26. Service bulletin. STRUCTURE. Clunk or Scrape Noise From The Front Right Side of Vehicle This bulletin includes replacing the right front coil spring and lower shock bolt only. Customers may comment on the following: A clunk or scrape noise coming from the front right side of the vehicle.Chipped paint on the tower and spring may also be noticeable. |
| 0810321 | 2022-09-26. Service bulletin. FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT. Pedestrian Alert System Sound This bulletin serves as awareness for the normal operation of pedestrian alert system. |
| 0810021 | 2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. UAQ UCQ UAV and UCV Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. Once the FOTA has been completed the software level will be 39.6. The national launch for the FOTA will begin June 18, 2021. Customers may experience one or more of the following:Intermittently, when going into reverse, the rear view camera screen is blank. Intermittently, gridlines are not on the display screen when in reverse. |
| 1900221 | 2022-09-26. Service bulletin. STEERING. Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice the following:A noise coming from the tailshaft of the steering column while turning. |
| 0808821REVA | 2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. Product plan UUID is not correct in Carplay®. 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 enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers |
| 0809621 | 2022-09-26. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Intermittent Fails To Crank Or Start This bulletin includes replacing two starter mounting studs. Customers may comment on the following: Vehicle intermittently fails to crank/start. |
| 0809521 | 2022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Electric A/C Compressor (EAC) System Noise During Warmup and Under Load This bulletin serves as awareness for the operation of the electric A/C Compressor pump noise. |
| 2302021 | 2022-09-26. Service bulletin. SEATS. Front Passenger Outer Seat Bolster Foam is Collapsed This bulletin includes repositioning the passenger outer seat bolster and installing a strap and push pin to help prevent this concern from happening again. Customers may comment on the following: The front passenger outer seat bolster cushion is missing |
| Y28 | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. Customer Satisfaction Notification Y28 Intermittent Starts |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.