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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: Lighting are shown. Show all

Bulletins, newest first
23004242024-03-18. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses.
23029232024-01-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
S22230000752023-10-02. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:HEADLIGHTS. Front Fascia Cover Gaps And Or Poor Fitment Near Headlight.
S23230000632023-10-02. Service bulletin. UNKNOWN OR OTHER; EXTERIOR LIGHTING:TAIL LIGHTS. Outer Tail Lamp Front Edge Has A Gap To The Quarter Panel Or Tail Lamp Appears Loose.
S21080001942023-09-25. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. High Beam Headlamps Cannot be Turned on with the Headlamp Switch Set to ?AUTO?
08112232023-05-30. Service bulletin. EXTERIOR LIGHTING; EXTERIOR LIGHTING:TAIL LIGHTS. Rear Tail Lamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior tail lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. This may be reported after the lamps have been turned on and brought up to operating temperature, turned off, and then rapidly cooled by cold water (such as rain, or the water from a vehicle wash). This bulletin is to communicate the procedure for rear tail lamp condensation clearing.
23029232023-04-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
08-020-232023-02-13. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE; SERVICE BRAKES; BACK OVER PREVENTION. Flash: Radio Frequency Hub Module (RFHM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) have been set: B21DD-84 - System Voltage-Signal Below Allowable Range. B21DD-85 - System Voltage-Signal Above Allowable Range. C151D-00 - Tire Pressure Sensor Location Undetermined. U1517-87 - Body Controller Secret Code-Missing Message. B1A71-01 - Passive Entry Antenna 1-General Electrical Failure. B1A72-01 - Passive Entry Antenna 2-General Electrical Failure. B1A73-01 - Passive Entry Antenna 3-General Electrical Failure. B1A74-01 - Passive Entry Antenna 4-General Electrical Failure. B1A75-01 - Passive Entry Antenna 5-General Electrical Failure. The customer may also experience one or more of the following: ?Fob Left Vehicle? message is displayed on Instrument Panel Cluster (IPC) after a remote start. Vehicle no-starts. This bulletin involves updating the RFHM module with the latest available software
91000962023-01-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING. Base Headlamp Bright, Base Headlamp Black
08161222023-01-09. Service bulletin. ELECTRICAL SYSTEM; SEATS; VEHICLE SPEED CONTROL; EXTERIOR LIGHTING. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM 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). B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may experience the following:Memory seat do not save on profiles 1 or 2. Easy entry/exit functionality is inoperative. Drivers massage seats do not recall lumbar and bolster position when profile selected on radio (Recall from door switches and keyfob work as expected).
08069222023-01-09. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. 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: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
18061222023-01-09. Service bulletin. SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.
S22230000302022-12-19. Service bulletin. EXTERIOR LIGHTING; VISIBILITY. Blind Spot Inoperative With Mirror Indicator On. C00C4-97 And Or C00C5-76 Wrong Mounting Position DTCs Set.
91000162022-10-31. Service bulletin. EXTERIOR LIGHTING; TRAILER HITCHES. WL trailer tow lighting kit No trailer tow sales codes are required to be added to the vehicle with use of this kit. If sales code XF2 is added to vehicle a DTC error maybe a result.
S21050000032022-10-17. Service bulletin. AIR BAGS; EXTERIOR LIGHTING. C1009 Brake Fluid Low DTC Red Brake Light On
08069222022-10-17. Service bulletin. EXTERIOR LIGHTING; 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: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
18061222022-10-17. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.
S2108000177RevB2022-10-17. Service bulletin. EXTERIOR LIGHTING. The Odometer Is Flashing / Blinking (Document published to dealers has a February 2022 date indicated incorrectly)
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.
08120212022-09-26. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; EXTERIOR LIGHTING. 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.
23024222022-09-26. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure This bulletin is to communicate the procedure for headlamp condensation clearing.
1400322REVA2022-09-26. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. 6.4L Fuel Injector High Flow Misfire This bulletin involves inspecting the Julian date on the fuel rails, fuel injectorsand possibly replacing fuel injectors. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. P0307 - Cylinder 7 Misfire. P0308 - Cylinder 8 Misfire. The customer may also describe: Rough idle or misfire while driving.
S2108000012RevB2022-09-26. Service bulletin. EXTERIOR LIGHTING. Auto High Beams Do Not Operate
08069222022-09-26. Service bulletin. EXTERIOR LIGHTING; 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: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
18061222022-09-26. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.

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