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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
08-074-202020-09-28. Service bulletin. STEERING; POWER TRAIN. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This service bulletin repair will NOT correct a sustain steering shake, shimmy or vibration. If this repair is performed on a vehicle with those symptoms, that will cause a dissatisfied customer and a repeat visit to the dealer.
S20080001302020-09-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Radio UConnect GPS Based Trip Computer Missing
S20080001132020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
90042922020-09-28. Service bulletin. EQUIPMENT; POWER TRAIN:TRANSMISSION CASE/HOUSING. TRANSFER CASE ASSY For concern of transfer case input seal leak at main lip seal. Call FCA Redacted Content to confirm if T-case should be sent back to QEC.
90036372020-09-28. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
90042822020-09-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EQUIPMENT ADAPTIVE/MOBILITY. PAN AND FILTER, Transmission Oil / GASKET, Oil Pan Prior to replacing the transmission oil pan or replacing the oil pan gasket for a leak in the oil pan area, please contact FCA Redacted Content. The CST will review root causing steps and suggest if the part is required to be returned back to FCA.
90042812020-09-28. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:WIRING. SPEAKER, WIRELESS BLUETOOTH Customer states "wireless speaker won't charge" or "wireless speaker doesn't work" Before replacing this part, please perform the following checks: - Check speaker on/off function. Press and HOLD power button for at least 4 seconds. If speaker powers up you will hear the "wake up" sound. Confer with customer to see if issue is resolved. - If speaker does not power up, this may be due to a low/dead internal battery. This could be due to improper docking/charging within dock located in rear compartment of vehicle. Check for dent/damage on back of speaker (sign of improper docking). Install speaker into docking station - turn up radio and ensure audio is passing through the speaker (this confirms that the dock is plugged into vehicle harness). When docked, the speaker is quieter than the other speakers so you will need to get close to hear the radio sounds coming out of the wireless speaker in the dock. (It takes a few seconds after docking for the speaker to come on) Speaker needs to be in dock for at least 20 minutes with vehicle ON to bring internal battery up to charge. Once this is done, check again for on/off function - If speaker still does not power up after proper charging, speaker can be replaced under warranty. ***please reference the wireless speaker owner's manual for further details***
18-053-202020-08-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs.P0300 - Multiple Cylinder Misfire. P258B - Electronic Vacuum Pump Performance. C1252-92 - Vacuum Pump Control Circuit - Performance Or Incorrect Operation. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. P1404 - EGR Close Position Performance. P1206 - Fuel Pump Control Module Open Circuit To Fuel Pump. Upon diagnosing the vehicle the technician may find DTC P1206 set before flashing the vehicle, the correct DTC will now be P025A - Fuel Pump Module Control Circuit Open after the softwareupdate.In addition the customer may notice one or more of the following: The Anti-Lock Brake System (ABS) light illuminates. The customer may notice an ability to shift into 1st gear at an unsafespeed(MTX Only). Cluster displays "Autopark Engaged" even when autopark is no longer active.
S20080001062020-08-24. Service bulletin. ENGINE AND ENGINE COOLING. No Crank, No Start Intermittently
S18080002842020-08-24. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; VISIBILITY. Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
S20080001032020-08-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. No Start, High Current Fuse Array (HCFA) Location And Testing
S20080000942020-08-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Uconnect Market Place APP Fatal Error Message
S20230000362020-08-24. Service bulletin. SEATS; EQUIPMENT. Front Seat Lift Handle Binding
S20080000102020-08-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
W452020-07-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; SUSPENSION:FRONT:SHOCK ABSORBER. Customer Satisfaction Notification W45 Front Axle Bracket
657102020-07-27. Service bulletin. EQUIPMENT; POWER TRAIN:CLUTCH ASSEMBLY. Safety Recall W12 JL/JT Clutch Update to Dealer Instructions for Parts Ordering
S20080000942020-07-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Uconnect Market Place APP Fatal Error Message
S20080000932020-07-27. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:WARNING:LAMP. Blind Spot Or Park Assist Warnings, False Activation
S20080000752020-07-27. Service bulletin. POWER TRAIN. No Start, Start Stop Inoperative, Cluster Messages to Service Shifter or Service Start Stop System
S190800000472020-07-27. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR. Volume Uncontrollable Or Stuck On High
S20080000862020-07-27. Service bulletin. TRAILER HITCHES; BACK OVER PREVENTION. Reverse Camera Trailer Hitch Zoom Feature Not Available
S20080000842020-07-27. Service bulletin. ELECTRICAL SYSTEM. Cluster Service 4WD Light On
S19080001022020-07-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Audio Mute On All Sources Except AM
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
S19090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE. Customer complaint may include an overfilled engine crankcase after an oil change.

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