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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
S2102000004RevA2022-09-15. Service bulletin. SUSPENSION:FRONT:CONTROL ARM. WL Front Control Arm Bushing - Handling Link Has Loose Rubber Appearance
S21230000622022-09-15. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Door Will Not Open Using Inside Door Handle
S21170000012022-09-15. Service bulletin. SUSPENSION. Rear Air Spring Appearance
S21080001882022-09-15. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. ABS Antilock Brake System, ESC Electronic Stability Control, And EPB Electric Parking Brake Warning Lamps Or Service System Cluster Messages Displayed
S2108000182REVA2022-09-15. Service bulletin. BACK OVER PREVENTION; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Freezing Or Locking Up While Rear View Camera Still Works
S21080001872022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Vehicle Language Reverts To Italian After Shutting Off Vehicle
S21020000042022-09-15. Service bulletin. SUSPENSION:FRONT:CONTROL ARM. WL Front Control Arm Bushing - Handling Link Has Loose Rubber Appearance (Incorrect "S2123000004" indicated on published document)
S21020000052022-09-15. Service bulletin. SUSPENSION. Slower Than Normal Raising Time And Or Failure To Achieve Desired Ride Height And OR Difference In Front Ride Height
S21230000602022-09-15. Service bulletin. SEATS:FRONT ASSEMBLY:HEAD RESTRAINT. 3rd Row Headrest Not Folding When Seat Fold Is Selected From The Radio Screen Soft Button Or Handle.
9004407-12022-09-15. Service bulletin. SUSPENSION. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content If no response within 15 minutes, please proceed with repair. Any new module requires a flash following installation regardless of whether the current part number is up-to-date .
90044082022-09-15. Service bulletin. POWER TRAIN. MODULE, Transfer Case Control (DTCM) If there are any ECU's being updated for Software updates this will cause an interuption in CAN communication which in combined with a shortened key cycle (CAN communication is still alive) can cause the C1472-92 DTCM Fault. If Vehicle sets C1472-92 verify the diagnostics by the following: (1.) Take Vehicle Scan to verify DTC is Active/Stored. Send to Tech Advisor to record DTC snapshot information. If Vehicle sets C1472-92 verify the repair by the following: (1.) Verify there are no Ground loose connections / concerns (G910A) by ensuring the ground stud securement is correct. (2.) Complete sleep cycle. Allow DTCM to fully shutdown. PRDNL lights will no longer illuminate. (3.) After complete shutdown, turn ignition on and shift out of Park. (4.) Shift back into part and complete shutdown of ignition cycle
90044072022-09-15. Service bulletin. SUSPENSION. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content If no response within 15 minutes, please proceed with repair. Any new module requires a flash following installation.
90044042022-09-15. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. GLASS, Front Door If the front side door glass has flaws such as delamination or distortion, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair. Please take pictures of the affected area of the glass and email the pictures to FCA Redacted Content
08-120-212022-08-22. Service bulletin. POWER TRAIN. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM 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: C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
04-001-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
23-027-212022-08-22. Service bulletin. SEATS; EQUIPMENT. Third Row Headrest Fails To Fold Down This bulletin involves inspecting both the left and right third row headrests and if necessary, re-seating the horseshoe cable clip(s). The customer may describe the following: Both the left and or right, third row headrest(s) will not fold and the load floor cannot be used.The headrests will not fold when pressing the radio screen soft button, or using the manual fold handle.
14-006-212022-08-22. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:INJECTORS. Incorrect Fuel Injectors This bulletin involves replacing all eight fuel injectors. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find of the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. The customer may also experience the following:Poor engine performance.
11-002-212022-08-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; STRUCTURE. Incorrect Exhaust Body Heat Shields This bulletin involves inspecting the front right, left and mid muffler center exhaust heat shields underneath the vehicle for rivets and possibly replacing the heat shields if no rivets are found. Some vehicles were built with incorrect exhaust body heat shields that did not have rivets.There will not be a customer symptom/condition for this issue.
11-003-212022-08-22. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT; STRUCTURE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Flutter or Rattle Noise From Under the Vehicle - Exhaust Body Heat Shields This bulletin involves replacing all four exhaust heat shields specified in this bulletin. The customer may describe a rattle from underneath the vehicle.
08-135-212022-08-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL. Instrument Panel Cluster (IPC) Restore to Default for Enabling the Automatic Door Locks When Vehicle is in Motion This bulletin involves performing a routine in the IPC to enable the automatic door locks when vehicle is in forward motion. Customers may comment on one or more of the following: Certain speeds, the doors will not automatically lock. When the vehicle exceeds 24 km/h (15 mph), the automatic door look feature is inoperable.
08-128-212022-08-22. Service bulletin. SEATS. Flash: Memory Seat Module - Driver (MSMD) Updates This bulletin involves reprogramming the MSMD with the latest available software. Customers may experience the following: Drivers massage seats do not recall lumbar and bolster position when profile selected on radio (Recall from door switches and keyfob work as expected).
18-062-212022-08-22. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING; 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. 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.
21-027-212022-08-22. Service bulletin. POWER TRAIN; 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. 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.
08-127-212022-08-22. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM. Flash: Smart Lighting Module Left (SLML) and Smart Lighting Module Right (SLMR) Updates This bulletin involves reprogramming the SLML and SLMR 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: B2834-00 - Right Headlamp Assembly Performance. B2835-00 - Left Headlamp Assembly Performance. Customers may experience one or more of the following:?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
Y51 Combo2022-08-22. Service bulletin. STEERING. Customer Satisfaction Notification Y51 Abnormal Steering

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