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Service bulletins for the 2020 Jeep Gladiator

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.

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

By type

By component

By trouble code

Bulletins, newest first
S23090000062023-10-30. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil leak
S23230000732023-10-30. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. Exterior Mirror And Or Blind Spot Inoperative.
S23230000742023-10-30. Service bulletin. STRUCTURE. Buzz Squeak Rattle (BSR) From Sound Bar Or Sport Bar Area.
S22210000032023-10-30. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S23230000712023-10-30. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Front Door Window Will Not Roll Down All The Way. Window Stops Part Way Down.
S23190000072023-10-30. Service bulletin. STEERING. Squeak Noise From Dash Area When Turning The Steering Wheel.
91002292023-10-30. Service bulletin. SUSPENSION. 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.
91002262023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. 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.
91002122023-10-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. 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 normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.
91002092023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; ELECTRICAL 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.
Reference26A22023-10-02. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Customer Satisfaction Notification 26A - Right Rear Axle Shaft
931202023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
S23070000022023-10-02. Service bulletin. ENGINE AND ENGINE COOLING. Suspected engine coolant leak.
S238A0000422023-10-02. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Media Hub USB Connection Drops, Or Apple CarPlay and Android Auto Inoperative.
S19190000042023-10-02. Service bulletin. ELECTRICAL SYSTEM; STEERING. U0131-00-LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE ?A?. Service Electric Power Steering Message On Cluster.
S20080000312023-10-02. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:PORT. Low Charging Voltage Displayed On Cluster
S21080000932023-10-02. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; UNKNOWN OR OTHER. Apple CarPlay Does Not Work Or Not Connecting
23083232023-09-25. Service bulletin. STRUCTURE:INTERIOR PANELS:SUN VISOR. Sunvisor Rocking or Loose One or both sunvisors rocking or are loose This bulletin involves adding foam pads to both sunvisor body mounts.
ZD72023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software update
921772023-09-25. Service bulletin. STRUCTURE. Warranty Bulletin D-23-04 - 2018-2023 (Current) Jeep Wrangler (JL) and 2020-2023 (Current) Jeep Gladiator (JT) - Corrosion Warranty Claim Simplification (Rev. B)
91001962023-09-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
91001852023-09-25. Service bulletin. STEERING; ELECTRICAL SYSTEM. ELECTRIC HYDRAULIC POWER STEERING PUMP Prior to replacing this component for damage at the pump electrical connection, please contact FCA redacted content. If no response in 15 minutes, proceed with repair.
08140232023-08-21. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Radio Over The Air JR34.41F Updating to JR34.42F Software Version ? Mobile WiFi inoperative upon start up. ? WiFi 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 steps a customer will need to take to complete the update. The radio software will be updated from JR34.41F to JR34.42F. NOTE: The National campaign for this FOTA update launched July 5, 2023.
ReferenceZD72023-08-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software Update

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