2021 Jeep Grand Cherokee L Technical Service Bulletins

215 technical service bulletins (TSBs) are on record for the 2021 Jeep Grand Cherokee L. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11018869May 31, 2025Electrical system. "12 Channel Amplifier Popping Noise Sound Customers may experience the following: ● Popping sound coming from the speakers during engine start/run. This bulletin involves replacing the Audio Amplifier."
• 11018614May 30, 2025Steering. Steering Wheel Off Center. Customer Complaint/Technician Observation: Customer may state the vehicle drives straight but the steering wheel is off center. They may also describe the condition as a pull or a lead due to them trying to keep the steering wheel centered. Discussion: Drive on both highway and city roads if possible. If equipped with air suspension, place the vehicle in normal ride height (NRH).
• 11018598May 30, 2025Steering. Steering Wheel Off Center. Customer Complaint/Technician Observation: Customer may state the vehicle drives straight but the steering wheel is off center. They may also describe the condition as a pull or a lead due to them trying to keep the steering wheel centered. Discussion: Drive on both highway and city roads if possible. If equipped with air suspension, place the vehicle in normal ride height (NRH).
• 11018646May 23, 2025Body and structure. Front Door Interior Panels: Warped Interior Door Panel / Broken Panel / Door Panel Not Fully Seated Observation: Would observe that the interior door panel is not properly seated or attached. Panel(s) may appear warped or out of position in some areas. No signs of damage should be expected. How to diagnose: Visually inspect the door panel(s) for proper installation and check for the presence of broken or loose…
• 11018640May 23, 2025Body and structure. Front Door Interior Panels: Warped Interior Door Panel / Broken Panel / Door Panel Not Fully Seated Observation: Would observe that the interior door panel is not properly seated or attached. Panel(s) may appear warped or out of position in some areas. No signs of damage should be expected. How to diagnose: Visually inspect the door panel(s) for proper installation and check for the presence of broken or loose…
• 11018676May 21, 2025Suspension. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. "
• 11018482May 18, 2025Engine. "Misfire Diagnostic Trouble Codes (DTCs), Rough Idle, Valvetrain Noise Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire…
• 11018448May 16, 2025Steering. Slight Pull, Drift, Wander. Lack Of Precise Steering.
• 11018447May 16, 2025Electrical system. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
• 11018410May 14, 2025Other or unknown. Bolt - hex flange head
• 11018465May 13, 2025Electrical system. "Flash: Trailer Tow Module (TTM) Updates Customers may comment on one or more of the following: ● If the vehicle is traveling at less than 5 kph (3 mph) and the brake pedal is pressed, then both turn lights will flash for two milliseconds. ● If the vehicle is traveling at less than 5 kph (3 mph) and one turn light is activated, then the opposite turn light will flash for 20 milliseconds.
• 11018453May 12, 2025Transmission and drivetrain. "Transmission Fluid Please note fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Visible ""glitter"" or debris in the pan does not justify complete unit replacements."
• 11018452May 12, 2025Transmission and drivetrain. Transmission "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, visible ""glitter"" or debris in the pan and fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the…
• 11018451May 12, 2025Engine. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available.
• 11018278May 7, 2025Electrical system. "Check Engine Lamp On. Diagnostic Trouble Code (DTC) P1D73 And Or P05AE For Active Grill Shutter (AGS)."
• 11018240May 5, 2025Body and structure. Carpet - rear floor
• 11017877May 3, 2025Body and structure. Center Console Armrest Lid Does Not Stay Open, Feels Loose, Does Not Latch.
• 11017403Apr 30, 2025Body and structure, Electrical system. Sunroof Inoperative, Not Moving To Open Or Closed Positions.
• 11017400Apr 29, 2025Engine. No Crank, No Start, Start Stop Inoperative
• 11017233Apr 25, 2025Body and structure, Forward collision avoidance. C008E-00 Setting After Windshield Replacement
• 11016951Apr 11, 2025Other or unknown. FCA Caribbean Warranty Newsletter – Volume 11, Issue 4
• 11016939Apr 9, 2025Other or unknown. Warranty Newsletter – Volume 11, Issue 4
• 11017060Apr 8, 2025Electrical system. "Flash: Trailer Tow Module(TTM) Updates Customers may comment on one or more of the following: ● If the vehicle is traveling at less than 5 kph (3 mph) and the brake pedal is pressed, then both turn lights will flash for two milliseconds. ● If the vehicle is traveling at less than 5 kph (3 mph) and one turn light is activated, then the opposite turn light will flash for 20 milliseconds This bulletin involves…
• 11016879Apr 5, 2025Transmission and drivetrain. "850RE D Clutch Repair **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also…
• 11016708Apr 4, 2025Electrical system. Trailer Tow Lights Inoperative. Diagnostic Trouble Codes (DTCs) B166E-13 B17AD-13 May Be Set.
• 11016424Apr 2, 2025Body and structure. Exterior Rear View Mirror Stained And Will Not Clean.
• 11016107Apr 1, 2025Engine. Engine Rattle Noise
• 11016105Mar 29, 2025Other or unknown. Crackle, Pop or Growl noise At Start-up
• 11016061Mar 28, 2025Transmission and drivetrain. "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements…
• 11015964Mar 26, 2025Electrical system, Steering. "MODULE Steering Control Before replacing the steering column control module (SCCM) due to wipers inop, wipers not turning off, wipers not returning to position, heated steering wheel not working and/or steering controls inop, please follow these steps: 1.- Review if there is any active DTC. Refer to service library procedure and follow diagnosis steps.
• 11016296Mar 20, 2025Other or unknown. Valve - oil control
• 11015811Mar 17, 2025Transmission and drivetrain. "D Clutch Repair Kit For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements…
• 11015810Mar 17, 2025Other or unknown. "CANISTER Vapor -If an issue is detected with the Evaporative System Integrity Module (ESIM) Detector and not the Vapor Canister, only replace the ESIM Detector. -Before replacing the Vapor Canister due to Hard to Fill condition, replicate the condition at the Gas Station.
• 11015674Mar 11, 2025Electrical system. "Radio USB update to U33.43 Customers may experience one or more of the following: ● Unable to select the Turn by Turn Navigation. ● Blank Performance Pages (Rearview Camera (RVC) Functions Normally). ● Android Auto® Voice Recognition (VR) inoperative. ● Media tuner delayed. ● Charge Schedule not accepting updates via phone (RVC Functions Normally). ● Ambient light inoperative. ● Map in Instrument Panel Cluster…
• 11015309Mar 4, 2025Body and structure. LOWER ACTIVE GRILL SHUTTER If the upper or lower AGS seems to be inop please make sure you CLEAR the DTCs BEFORE swapping the old AGS for a new one, and test if the error code returns. Very often the wiring harness presents corrosion, so make sure to check it for any damage BEFORE swapping the AGS. Corrosion in the harness disrupts communication with the AGS, which sets up the DTCs for AGS performance and lights…
• 11015307Mar 4, 2025Electrical system. Apple CarPlay Does Not Complete The First Initial Wireless Connection.
• 11015297Mar 4, 2025Engine. Engine Noise
• 11015048Feb 28, 2025Electrical system. SOS Button Inoperative And Or Unavailable. B1552-2A Code Set.
• 11015038Feb 28, 2025Body and structure. Replacement Exterior Mirror Glass Connector Does Not Match For Blind Spot.
• 11015023Feb 28, 2025Seats. 1st Row Seat Belt Retractor D-Ring Is Binding And Not Able To Rotate
• 11015022Feb 28, 2025Body and structure. Grille molding applique is sticking out at the headlamp
• 11015021Feb 28, 2025Body and structure. Defroster Grille Has Gaps And Or Is Not Sitting Flush.
• 11015065Feb 25, 2025Engine. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. These conditions may be related to worn intake camshaft high lift lobe(s), and intake rocker arm(s) high lift slider. High mileage failure (10,000-60,000 miles). 1. Remove the valve cover(s) per the released service procedures. The use of a stethoscope or DTC specific cylinder misfire codes can help to locate the condition to the left…
• 11014538Feb 22, 2025Electrical system. Uconnect Box Require Service Message
• 11014534Feb 21, 2025Body and structure. Exterior Mirror Blind Spot LED Indicator Inoperative Or Will Not Turn Off. Diagnostic Trouble Code (DTC) B285F-11 And Or B285F-15 Set.
• 11014530Feb 20, 2025Body and structure. Exterior Power Fold Mirror Does Not Travel To Full Extend or Fold Positions.
• 11014529Feb 20, 2025Electrical system. Touchscreen For all infotainment system repairs (touchscreens, radios, etc.), refurbished parts may be available. Follow the Infotainment Ordering guide available under the "Parts" section of Dealer Connect: DealerCONNECT> Parts> News& Information> Audio & Electronic Products Exchange Process
• 11014411Feb 20, 2025Body and structure. Exterior Power Fold Mirror Does Not Travel To Full Extend or Fold Positions.
• 11014532Feb 19, 2025Body and structure. Exterior Rear View Mirror Stained And Will Not Clean.
• 11014408Feb 18, 2025Engine. Engine Rattle Noise

← All problems reported for the 2021 Jeep Grand Cherokee L