WenmarOpen by Wenmar Pro

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

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
23012222023-01-09. Service bulletin. EQUIPMENT. Glove Box Hard To Close This bulletin involves replacing the glove box bumpers. Customers may comment on the following: The glove box is hard to close.
S22080000682023-01-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22090000042022-12-19. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.
08180222022-12-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Enhancements Software Level 1848.34 This bulletin involves updating the radio software level to 1848.34. Customers may experience one or more of the following:Radio display screen flickers. Clock loses 6 seconds per day (JL with 5 inch screen). Ghost Touch issue, features, modes and App?s change without drivers input (does not affect rearview camera). Wireless connectivity pop noise. Pop message ?SXM Wait? displayed for extended period of time. The radio resets.
S228A0000282022-12-12. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw
21026222022-10-31. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition:Poor coast down quality (bump/clunk) at approximately 16-32 kph (10-20 mph) range in manual mode.
S22230000632022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. Ambient Temperature Sensor Servicing.
21026222022-10-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice the following condition:Poor coast down quality (bump/clunk) at approximately 16-32 kph (10-20 mph) range in manual mode.
S22230000632022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. Ambient Temperature Sensor Servicing.
S19080000472022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Volume Uncontrollable Or Stuck On High
S20080000022022-10-17. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Speaker Makes Crackle Popping Noise
S19080001742022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Screen Black At Vehicle Startup After A Sleep Cycle
S20080000832022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Clusters Distance To Turn Value Do Not Match The Radio Head Unit Value
S21080001272022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S20080000102022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
S21080001202022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Volume Uncontrollable Or Changing On Its Own
S21080000982022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Screen Freeze, Blank Screen And Reset
S20080000112022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Cannot Change Cluster Display Unit Settings, Turn By Turn Distance Does Not Match The Radios Distance
08094212022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. UKA and UKG Radio Enhancements This bulletin involves updating the radio software level to 1848.35. Customers may experience one or more of the following:Radio display screen flickers. Clock loses 6 seconds per day (2019 JL with UKA). Radio resets with RPM less than 1000 RPM (2020 JL with UKG and 3.0L Diesel - EXJ).
08074212022-10-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. UGQ, UGV, UJV and UJQ Radio Enhancements This bulletin involves inspecting the software level to see if the radio needs oneor two USB flash drive(s) to update the radio software level to 39.2. Customers may experience one or more of the following: Voice recognition (VR) fails while road names are written in Catalan. After the update to software level MR-28.31, the Amperometer inside Jeepskills shows values too high. The radio may lose some or all programmed presets. Volume blocked/uncontrollable. Heating Steering wheel and seat SK greyed out. Eco Drive trips saved issue. Radio may reset, turn itself off and then back on again. Radio display screen lock up. Park assist chime will continue to chime after the vehicle is turned off. Frequent pop-ups during startup saying device not connected - Uconnect LIVE. Radio will display the incorrect speed limit in kph when approaching a roadspeed camera(2018 WK Only). Uconnect Live Apps restricted to only MyCar, ecoDrive and Jeep Skills(2018 WK Only). Russian language missing in the radio setting menu(2018 WK with UGQ Only). If the radio is set for Russian language, UConnect displays unknown symbolson the ?Off Road Page?(2018 WK with UGQ Only). Could not disable the feature for the heated seat and heated steering wheelturned on automatically at startup(2018 WK with UGQ Only). In addition the following enhancements are included: Navigation improvements. Bluetooth improvements. VR improvements. Russian language enhancements (2018 WK with UGQ Only)
S2108000127REVA2022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21080001272022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21080001192022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Apple CarPlay Malfunctioning, Does Not Launch Or Is Cutting In An Out On Wired And Wireless Connection, Radio Stuck When IPhone Is Connected
S21080001202022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Volume Uncontrollable Or Changing On Its Own
S21080000982022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Screen Freeze, Blank Screen And Reset

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