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Service bulletins for the 2020 Jeep Grand Cherokee

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.

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

By type

By component

By trouble code

Bulletins, newest first
09-005-192020-01-21. Service bulletin. ENGINE AND ENGINE COOLING. Oil Filter Upgrade This bulletin involves replacing the existing engine oil filter with an upgraded version. This action is a proactive product improvement which adds enhanced filtration and flow performance for the upgraded filter.
08-124-192020-01-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Enhancements This bulletin involves updating the radio software level to 1848.24. Customers may experience one or more of the following: Ghost Touch, features, modes and App?s changing without drivers input. Bluetooth pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
08-117-19 REV. A2020-01-21. Service bulletin. ELECTRICAL SYSTEM. Flash: Security Gateway Module (SGW) Enhancements This bulletin involves updating the Security Gateway Module (SGW) with the latest available software. Technicians may notice that the vehicles SGW is not at the latest software level.
90041482020-01-21. Service bulletin. EQUIPMENT. SPEAKER, 6"x9" Right or Left For a buzz squeak rattle (BSR) concern coming from the speaker area that cannot be recreated, the fastener in the armrest pull cup may not be fully torqued. If a customer has concerns about speaker pop or speaker rattle, please enusre that Radios is at latest software level. This fastener, if under torqued, causes the washer to spin and rattle. Please ensure this fastener is secured and washer is not spinning prior to speaker replacement. Additional info: Please verify that there are no loose screws in door pull cup, no bent 6x9 speaker tinsel wire, or audio induced pop/crackle event(non BSR) Please crate and send a copy of the vehicle scan report and specify radio sw version and radio head unit ID to engineers via phone call or email at the following: michael.onyia@fcagroup.com (248) 613-2380 anmol.shergill@external.fcagroup.com (313) 412-0607 matt.berg@fcagroup.com (248) 576- 7754 If no response in 15 minutes, proceed with repair.
08-117-192019-12-16. Service bulletin. ELECTRICAL SYSTEM. Flash: Security Gateway Module (SGW) Enhancements This bulletin involves updating the Security Gateway Module (SGW) with the latest available software. Technicians may notice that the vehicles SGW is not at the latest software level.
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
90041632019-12-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. MOLDING, Quarter Panel (Wide wheel flares) If you have a Jeep Grand Cherokee Summit, SRT, Trackhawk or Limited X with wide flares that appear to be loose or poor fittting, please document the VIN and provide the following information: 1.) Take image of customer concern - Highlighting flare adhesive surface location where the misaligned/loose condition is found with respect to the door or body. 2.) Email images of concerns to rohit.meshram@fcagroup.com For additional questions, call (313) 802-8649. If no response in 15 minutes, proceed with repair.
21-038-192019-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience one or both of the following conditions:Poor shift quality or ?bump? experienced during 3-2, 2-1 coastdowns.
18-074-192019-12-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on the following condition: Perceive rough and/or erratic transmission shifting between gears during normal drive cycles.
21-036-192019-12-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition: Rough and/or erratic transmission shifting between gears during normal drive cycles.

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