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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

Bulletins, newest first
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22230000202022-05-31. Service bulletin. STRUCTURE; STRUCTURE:BODY:ROOF AND PILLARS. Rattle Noise From Roof Area Near Rear Of Sunroof
S22230000192022-05-31. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; STRUCTURE. Power Liftgate Will Not Latch Closed
S22090000022022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S2223000014 RevA2022-05-31. Service bulletin. STRUCTURE; EQUIPMENT. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
S22230000172022-05-31. Service bulletin. ELECTRICAL SYSTEM. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
S22080000622022-05-31. Service bulletin. STEERING. Heated Steering Wheel Does Not Operate
S2108000015 RevH2022-05-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Uconnect Box Requires Service Message
S22230000142022-05-31. Service bulletin. STRUCTURE; EQUIPMENT. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
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
90045072022-05-31. Service bulletin. POWER TRAIN. MODULE, Anti-Lock Brake System & BOOSTER, Power Brake Prior to replacing this for a C0597-00 fault code, ensure that the software is at the latest level.
90045042022-05-31. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. TRANSFER CASE If the Transfer Case is being replaced for a concern related to C1472-92 refer to STAR Online S2121000014 Rev. C before ordering.
90044992022-05-31. Service bulletin. POWER TRAIN; STRUCTURE. VALVE BODY & CONTROL UNIT, Transmission This valve body is currently unavailable from Mopar. Order the transmission assembly.
90044982022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE. AIR LINE ASSEMBLY, Air Line Bundle Air Line 90 Degree Elbow PN 68526604A$ should be used to replace damaged elbows if that is the only damage to the bundle. Full air line bundles should not be ordered and have 90 degree elbows removed to replace damaged parts. The MOPAR kit PN 68526604A$ should be ordered instead.
90044932022-05-31. Service bulletin. FUEL SYSTEM, OTHER. RAIL, Fuel Prior to replacing this compoenent, please contact one of the following prior to disassembly: FCA Redacted Content If no response in 15 minutes, proceed with repair.
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.

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