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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
S20230000322020-07-27. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Hard top quarter window cracked
S18210000062020-07-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; TIRES. Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
S20080000772020-07-27. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. VP2R Radio Clock Not Keeping Time
07-001-20 REV. B2020-06-22. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; EQUIPMENT. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
08-052-202020-06-22. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. Rear Window Defroster Inoperable This bulletin involves inspecting and possibly repairing the terminal of the rear defroster circuit. Customers may comment on one or more of the following:Rear window defroster is inoperable. Wire(s) hanging from the defroster back glass.
S19090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE. Customer complaint may include an overfilled engine crankcase after an oil change.
S18210000062020-06-22. Service bulletin. TIRES. Oversized Tire Calibration For Customized Jeep Wrangler And Galdiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
S18210000052020-06-22. Service bulletin. POWER TRAIN; EQUIPMENT; TIRES. Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
S20080000732020-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. VP4 Panasonic Radio USB Software Update Error Codes And Guidelines For Recovery
S19080000482020-06-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Chime Stuck On In The Audio System
S19080001662020-06-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Stop Start Inoperative, Auxiliary Battery Low Requires Charging, No Start
S18080002842020-06-22. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM; EQUIPMENT. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC. Power Mirrors And/Or Power Door Locks Do Not Function
S19080001012020-06-22. Service bulletin. EQUIPMENT:ELECTRICAL. Remote Phone App Does Not Communicate With Vehicle Radio
23-015-202020-05-26. Service bulletin. STRUCTURE; EQUIPMENT. Disinfectant Solution Recommended for COVID-19
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
18-039-202020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
07-001-20 REV. A2020-05-26. Service bulletin. ENGINE AND ENGINE COOLING. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
S18080001522020-05-26. Service bulletin. ELECTRICAL SYSTEM. CEL (Check Engine Lamp) Illuminates, Recent PCM Replace Or Flash Update Performed, DTC P057B Brake Pedal Position Sensor Circuit Performance
S20230000162020-05-26. Service bulletin. SEATS. Squeak Noise From Rear Seat
S20080000602020-05-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. Radio Issues With iPhone 11
S20080000592020-05-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. Error Code 20 Message On the Radio Screen
S20190000022020-05-26. Service bulletin. STEERING. Hands On Steering Wheel Message In EVIC
S20240000042020-05-26. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Customer Indicates Vehicle Has Poor Air Flow Through Demister (Side) Dash Vents
S20080000312020-05-26. Service bulletin. EQUIPMENT. Low Charging Voltage Displayed On Cluster
S19080001022020-05-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Audio Mute On All Sources Except AM

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