WenmarOpen by Wenmar Pro

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
S22230000192022-10-17. Service bulletin. VEHICLE SPEED CONTROL; SEATS. Power Liftgate Will Not Latch Closed
S22090000022022-10-17. Service bulletin. ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S2223000014RevA2022-10-17. Service bulletin. EQUIPMENT. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
S22230000172022-10-17. Service bulletin. ELECTRICAL SYSTEM. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
S22080000622022-10-17. Service bulletin. STEERING; WHEELS. Heated Steering Wheel Does Not Operate
S21080000152022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. Uconnect Box Requires Service Message
S22230000142022-10-17. Service bulletin. EQUIPMENT. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
S21080002052022-10-17. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
90045072022-10-17. 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.
90045042022-10-17. Service bulletin. EQUIPMENT. 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.
90044992022-10-17. Service bulletin. POWER TRAIN; STRUCTURE. VALVE BODY & CONTROL UNIT, Transmission This valve body is currently unavailable from Mopar. Order the transmission assembly.
90044982022-10-17. 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.
90044932022-10-17. 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.
08023222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Electronic Shift Module (ESM) Replacement This bulletin involves replacing the ESM. Customers may experience the following:Rotary shifter requires additional turns to get to desired gear. Shifter needs to be rotated through multiple additional detents to attain desired gear position.The current gear is always correctly displayed.
08022222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM with the latest available software. Upon further investigation the technician may find the following stored Diagnostic Trouble Code (DTC): B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may also experience one or more of the following:Memory seat functionality is inoperative. Memory recall functionality is inoperative. Memory saving functionality to profiles 1 or 2 is inoperative. Easy entry&exit functionality is inoperative.
08020222022-10-17. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B143B-12 - ANC Microphone 1-Circuit Short To Battery. B143C-12 - ANC Microphone 2-Circuit Short To Battery. B143E-12 - ANC Microphone 3-Circuit Short To Battery. B143F-12 - ANC Microphone 4-Circuit Short To Battery.The DTCs are wrongly set and do not affect Active Noise Cancelation (ANC) performance.
08021222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Power Liftgate Module (PLGM) Replacement Due to a Battery Drain Issue This bulletin involves replacing the PLGM. Customers may experience one of the following:Vehicle will not start. It will start once it is jump started. Battery is dead.
08007222022-10-17. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). When the ambient air temperature sensor voltage goes to 0 volts (shorted to ground), the BCM sets a P0073 - Ambient Air Temperature Sensor Circuit High for this condition. The BCM should display P0072 - Ambient Air Temperature Sensor Circuit Low instead. The customer may also experience one or more of the following:Battery voltage in cold weather failing to initiate remote start due to voltage drop after ignition on3.0L Diesel (Sales Code EXF only). Remote start does not work first attempt, always works on the 2nd attempt issue3.0L Diesel (Sales Code EXF only).
08005222022-10-17. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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:WD - Current Level R17.89 update to R17.99 launched on 01/10/2022. WD - Current Level R17.73 update to R17.99 launched on 11/19/2021. WL - Current Level R17.98 Update to R17.99 launched on 11/08/2021. RU - Current Level R17.89 Update to R17.99 launched 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. Additional enhancement included with this software update:CarPlay® and Android Auto® improvements and robustness added.
18004222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.
S22080000172022-10-17. Service bulletin. EQUIPMENT. Unable To Program Fobiks To Replacement RFH
S22080000232022-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Passenger Power Seat Inoperative, Fuse 28 Open
S22080000212022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN. Camera Image Options Surround View System Cannot Be Selected From The Radio Touch Screen, DTC B1496 LOST LOW VOLTAGE DIFFERENTIAL SIGNAL (LVDS) CONNECTION WITH CVPM
S22080000262022-10-17. Service bulletin. ELECTRICAL SYSTEM. Discharged Battery, Ignition Off Draw (IOD) From Aftermarket Electronic Accessories
S22230000102022-10-17. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger

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