2021 Jeep Wrangler Technical Service Bulletins

1,039 technical service bulletins (TSBs) are on record for the 2021 Jeep Wrangler. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10248885Nov 18, 2023Electrical system. Multiple Cluster Warning Lamps Flash on While Driving
• 10248848Nov 17, 2023Equipment. Spring Front Upr - Isolator Before replacing this part. Please contact FCA REDACTED CONTENT. ~ If no response in 15 minutes, proceed with repair.
• 10248877Nov 16, 2023Transmission and drivetrain. Verifying Camshaft Diagnosis
• 10248862Nov 7, 2023Engine cooling. Check Engine Lamp (CEL) On, Diagnostic Trouble Codes (DTCs) P0245, P2AB8
• 10248857Nov 3, 2023Seats. Buzz Squeak Rattle (BSR) From Rear Seat Area.
• 10248856Nov 1, 2023Transmission and drivetrain. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0341 ? Camshaft Position Sensor Performance ? Bank 1 Sensor 1, Set.
• 10248854Nov 1, 2023Electrical system. "Check Charge Cable" Message Appears on Cluster
• 10247453Oct 26, 2023Visibility (wipers, defrost, mirrors). The customer may complain of a check engine light and the Air Conditioning (A/C) may be inoperative.
• 10247410Oct 23, 2023Vehicle speed control. FRT DOOR HINGE - DOOR CHECK If the front door check strap physically breaks or cracks, please call FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the broken part and email the pictures to FCA Redacted Content.
• 10247445Oct 21, 2023Equipment. 4.5 Inch Premium Bar Speaker Static, Rattles, Buzzing
• 10247441Oct 18, 2023Electrical system. Inspecting And Disconnecting Negative Battery Cables On ESS Vehicles
• 10247479Oct 17, 2023Other or unknown, Equipment. Radio Over The Air Updating From QR39.6 to QR40.12 Software Version Customers may experience one or more of the following symptoms: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the…
• 10247439Oct 14, 2023Equipment. Radio Reset After Clock Adjustment
• 10247436Oct 6, 2023Electrical system. Check Engine Light (CEL) P257F, P152E, or P0073
• 10247404Oct 2, 2023Back-over prevention (rear camera), Vehicle speed control. ERG Hydraulic Tensioner Before replacing any FEAD components, please check FEAD belt layout as per the engine sales code. Customer complaint may include a noise from under the hood described as a squeal, screech, squeak, chirp or belt-related noise and/or noisy tensioner/pulley. Please refer to SOL# S2309000007.
• 10248584Sep 30, 2023Fuel system. Message in cluster for "Performance Limited Service Fuel System" with no DTC's
• 10244423Sep 30, 2023Electrical system, Fuel system. Message in cluster for "Performance Limited Service Fuel System" with no DTC's
• 10248576Sep 21, 2023Engine cooling. Engine oil leak
• 10244415Sep 21, 2023Engine cooling. Engine oil leak
• 10248571Sep 20, 2023Hybrid propulsion system. Check Engine Light On, P0CA6-00 Hybrid/EV Battery Charging Current High
• 10244410Sep 20, 2023Electrical system, Engine cooling. Check Engine Light On, P0CA6-00 Hybrid/EV Battery Charging Current High
• 10244356Sep 20, 2023Suspension. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
• 10248568Sep 18, 2023Visibility (wipers, defrost, mirrors), Lane departure. Exterior Mirror And Or Blind Spot Inoperative.
• 10244407Sep 18, 2023Electrical system, Visibility (wipers, defrost, mirrors). Exterior Mirror And Or Blind Spot Inoperative.
• 10248565Sep 15, 2023Equipment. Buzz Squeak Rattle (BSR) From Sound Bar Or Sport Bar Area.
• 10248509Sep 15, 2023Electrical system. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
• 10244404Sep 15, 2023Body and structure. Buzz Squeak Rattle (BSR) From Sound Bar Or Sport Bar Area.
• 10244348Sep 15, 2023Electrical system. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
• 10248562Sep 13, 2023Transmission and drivetrain. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
• 10248561Sep 13, 2023Transmission and drivetrain. Transmission Fluid Leak From Under The Vehicle.
• 10244401Sep 13, 2023Transmission and drivetrain. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
• 10244400Sep 13, 2023Transmission and drivetrain. Transmission Fluid Leak From Under The Vehicle.
• 10248557Sep 11, 2023Visibility (wipers, defrost, mirrors). Soft Top Windows Do Not Sit Flush To The Top.
• 10244396Sep 11, 2023Visibility (wipers, defrost, mirrors). Soft Top Windows Do Not Sit Flush To The Top.
• 10248552Sep 8, 2023Visibility (wipers, defrost, mirrors). Front Door Window Will Not Roll Down All The Way. Window Stops Part Way Down.
• 10248550Sep 8, 2023Steering, Back-over prevention (rear camera). Squeak Noise From Dash Area When Turning The Steering Wheel.
• 10244391Sep 8, 2023Visibility (wipers, defrost, mirrors). Front Door Window Will Not Roll Down All The Way. Window Stops Part Way Down.
• 10244389Sep 8, 2023Steering. Squeak Noise From Dash Area When Turning The Steering Wheel.
• 10248505Sep 7, 2023Electrical system, Engine cooling. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be…
• 10244344Sep 7, 2023Engine cooling, Electrical system. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be…
• 10248502Sep 1, 2023Electrical system, Visibility (wipers, defrost, mirrors). Switch-Mirror Before replacing this Switch, please follow the service procedures to properly diagnose it 1) Remove the switch 2) Please check the continuity on each pin of the switch based on the table found in the service Procedures. If after testing switch is still faulty, please call FCA Redacted Content. If no response after 15 minutes, proceeds with switch replacement.
• 10244341Sep 1, 2023Electrical system. Switch-Mirror Before replacing this Switch, please follow the service procedures to properly diagnose it 1) Remove the switch 2) Please check the continuity on each pin of the switch based on the table found in the service Procedures. If after testing switch is still faulty, please call FCA Redacted Content. If no response after 15 minutes, proceeds with switch replacement.
• 10243193Aug 31, 2023Visibility (wipers, defrost, mirrors). Cluster Message ?Electric Mode Unavailable Cabin Heating or Cooling? or ?Electric Mode Temporarily Unavailable?, Vehicle Engine Runs All -the Time Does Not Enter Electric Vehicle (EV) Mode, Diagnostic Trouble Codes (DTCs) P0E15, U1008-00,U1124-00
• 10243192Aug 31, 2023Engine cooling. Suspected engine coolant leak.
• 10243209Aug 30, 2023Equipment. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
• 10243208Aug 30, 2023Equipment. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
• 10243191Aug 30, 2023Equipment. Media Hub USB Connection Drops, Or Apple CarPlay and Android Auto Inoperative.
• 10243189Aug 30, 2023Visibility (wipers, defrost, mirrors). Rear Wipers Do Not Park Correctly After Rear Wiper Swipe Operation
• 10243271Aug 24, 2023Visibility (wipers, defrost, mirrors). A/C Diagnostic LOP Change
• 10243178Aug 24, 2023Steering, Electrical system. U0131-00-LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE ?A?. Service Electric Power Steering Message On Cluster.

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