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Service bulletins for the 2021 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.

1325 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S2108000015 RevH2022-05-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Uconnect Box Requires Service Message
S2108000205 RevA2022-05-31. Service bulletin. TRAILER HITCHES; EQUIPMENT; ELECTRICAL SYSTEM. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
08-174-21 REV. A2021-12-13. Service bulletin. ELECTRICAL SYSTEM. Flash: Telematics Box Module (TBM) Updates This bulletin involves reprogramming the TBM with the latest software available. The customer may describe the following: Remote operation inoperative. Wi-Fi unavailable. Issues logging in and enabling Wi-Fi. SOS calls unavailable.
08-179-212021-12-13. Service bulletin. ELECTRICAL SYSTEM; STEERING. Flash: Electric Power Steering (EPS) Module Updates This bulletin involves updating the EPS module with the latest available software. Customers may experience one or more of the following:Lack of steering assist. Electric Power Steering (EPS) MIL illuminated.
08-178-212021-12-13. Service bulletin. ELECTRICAL SYSTEM. Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash 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. National launch for this FOTA update is expected on:WL - Current Level R17.98 Update to R17.99 on 11/08/2021 WD - Current Level R17.73 Update to R17.99 on 11/19/2021 RU - Current Level R17.89 Update to R17.99 on 11/19/2021 Customers may experience one or more of the following: Radio resets at times (WD and RU only). Bluetooth® disconnects (WD and RU only). Intermittent display screen blank (WD and RU only). Radio slow to respond and lockup (WD and RU only). Radio inoperative intermittently (WD and RU only). Apps not able to update (WL only). Additional enhancement included with this software update:CarPlay® and Android Auto® improvements and robustness added.
02-007-212021-12-13. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. Air Suspension Slow to Change Height This bulletin involves inspecting the vehicle for pinched front air suspension lines. The customer may notice a ?Service Air Suspension? message in the cluster. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set:C1556-16 - Height Sensors Implausible - Out Of Plane C1567-85 - Left Front Ride Height Level Performance-Signal Above Allowable Range C1569-85 - Right Front Ride Height Level Performance-Signal Above Allowable Range C15A2-00 - Ride Height System Unlevel. C15A1-00 - Unable to Obtain Desired Ride Height. C15A0-01 - There is an internal fault in control unit "Suspension". The temperature is above threshold. C15AD-92 - Ride Height System- Perfor- Mance Or Incorrect Operation. C220C-98 - Active Suspension Module Internal- Component Or System Over Temperature. Customers may also experience one or more of the following: Slow changes in ride heights. Ride height changes denied due Air Suspension Control Module (ASCM) timing out. Uneven front suspension. Air suspension inoperable.
08-174-212021-12-13. Service bulletin. ELECTRICAL SYSTEM. Flash: Telematics Box Module (TBM) Updates This bulletin involves reprogramming the TBM with the latest software available. The customer may describe the following: Wi-Fi unavailable. Issues logging in and enabling Wi-Fi. SOS calls unavailable.
08-110-21 REV. A2021-12-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Software Update This bulletin involves inspecting the software level and updating the software ifneeded. The software will be updated to R17.83. Customers may experience one or more of the following: Ticking noise coming from audio. Rear temperature bar on rear climate pagedisappears. Apple Carplay® not connecting to iPhone®. App crashes. Temperature and slider bars missing on comfort screen. Selectable tire fill assist does not reflect unit change if unit is changed insettings
08-114-21 REV. A2021-12-13. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT; ELECTRICAL SYSTEM. UBR UER and UFR Radio Enhancements This bulletin involves updating the radio software level to 34.00.49. Customers may experience one or more of the following: Unable to connect vehicle Wi-Fi hot spot. SXM radio does not retain the same channel after the vehicle has beenshut off.
18-062-21 REV. A2021-12-13. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM. 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 the following Diagnostic Trouble Code (DTC) has been set:P032F - Combustion Engine Producing Insufficient Torque.
21-027-21 REV. A2021-12-13. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM:SOFTWARE. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P032F - Combustion Engine Producing Insufficient Torque. Customers may also experience a shift quality issue during a 5-4 downshift.
S2119000004 Rev.2021-12-13. Service bulletin. STEERING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; POWER TRAIN. Service Electric Steering Message, Loss Of Power Steering Assist For The Current Key Cycle, Vehicle Sets DTC C2217-00 ELECTRIC POWER STEERING MODULE INTERNAL
S2108000015 Rev.2021-12-13. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Uconnect Box Requires Service Message
S21080002792021-12-13. Service bulletin. BACK OVER PREVENTION; VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR; ELECTRICAL SYSTEM:WIRING; VISIBILITY; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Rear View Mirror Camera Is Not Displaying In The Rearview Mirror
S2108000249 Rev.2021-12-13. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL. Cluster And Radio Display Settings Reverted Back To The Default Settings, Auto Door Locks And Paddle Shifter Inoperative
S2121000017 Rev.2021-12-13. Service bulletin. ELECTRICAL SYSTEM. Drivetrain Control Module (DTCM) Diagnostic Trouble Code (DTC) C2201-49 ? FDCM/DTCM Internal Electronic Failure, set.
S21210000182021-12-13. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AXLE ASSEMBLY. Service 4WD Message. Diagnostic Trouble Code (DTC) C1465-12 ? Front Axle Disconnect Control Circuit High-Circuit Short To Battery, Set.
S2108000213 Rev.2021-12-13. Service bulletin. COMMUNICATION; EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Battery Drain, Odometer Flashing, Topology View Displaying Multiple Modules In Red, Multiple Cluster Warning Messages
S2102000010 Rev.2021-12-13. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. Ride Height Not Permitted Due To Transport Mode Message In Cluster Information Center. Air Suspension Switch Leds OFF
S21210000172021-12-13. Service bulletin. ELECTRICAL SYSTEM. Drivetrain Control Module (DTCM) Diagnostic Trouble Code (DTC) C2201-49 ? FDCM/DTCM Internal Electronic Failure, set.
90044382021-12-13. Service bulletin. ELECTRICAL SYSTEM. MODULE, Central ADAS Decision, Mid/Long Range Radar For mid-range corner and long range front radars, do not replace all radar's for "blind spot inop" in Cluster EVIC. For any radar loss of communication (LOC), short to ground/open circuit or short to battery, first attempt to reflash radars/CADM, then verify all wiring continuity back to the CADM if the flash fails to correct. If the problem persists, replace ONLY the specific radar in question as defined in the service procedure. NOTE: Radars cannot be A-B swapped to different positions in the vehicle for troubleshooting. Please contact FCA Redacted Content with questions/concerns. If no response in 15 minutes, proceed with repair.
08-088-212021-06-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following:Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
08-074-212021-06-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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)
08-075-212021-06-28. Service bulletin. ELECTRICAL SYSTEM. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The following software enhancement is available: Amplifier update to eliminate static noise from the instrument panel mounted speakers.
S21080001312021-06-28. Service bulletin. ELECTRICAL SYSTEM. One Or More Passive Entry Antenna General Electric Failure DTC?s Found In The RFH

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