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.

• 11038751Oct 20, 2026Electrical system, Transmission and drivetrain. Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● U114C-00 - Lost Communication with PRNDL Display. ● P1C86-00 - PRNDL Display. Customers may comment on one or more of the following: ● "Service Shifter" message displayed in the Instrument…
• 11038329Sep 30, 2026Transmission and drivetrain. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
• 11037592Sep 23, 2026Body and structure. Applique - front door
• 11037582Sep 23, 2026Electrical system. R1H Radio U41.10 Software Update - Dealer Option Customers may experience one or more of the following: SYMPTOM: ● **Speakers may emit a humming, screeching, buzzing, clicking, or bass noise (not related to the amplifier).** ● FCW OFF light ON with no DTCs and can't turn off. ● Blank screen and then reboot every 2 minutes and 40 seconds. (Rearview Camera Functions Normally). ● Paddle shifters not working/no longer…
• 11037350Sep 10, 2026Electrical system, Body and structure. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11037345Sep 8, 2026Electrical system, Body and structure. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11036771Aug 26, 2026Electrical system. Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
• 11036280Aug 14, 2026Steering, Wheels. Steering Dragging While Recreational Flat Towing Behind RV.
• 11035187Jul 16, 2026Transmission and drivetrain. Shaft - axle half
• 11035186Jul 16, 2026Transmission and drivetrain. Shaft - axle half
• 11035190Jul 14, 2026Electrical system. Display Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
• 11035048Jul 11, 2026Seats, Electrical system. Power Folding Seat Wire Harness Pinched Customers may experience one or more of the following: SYMPTOM: ● Battery is depleted. NOTE: Battery depletion may be due to a pinched power folding seat wire harness behind the left quarter panel by the cargo tie down fastener. ● Loss of function of the rear folding seats. ● Rear folding seat behavior is not functioning as expected. This bulletin involves repairing a pinched…
• 11035072Jul 10, 2026Electrical system, Body and structure. Before replacing any part, check the DOT on the glass or the PN to make sure you choose the replacement part from the correct supplier: DOT 615 - 6NC10TRMAH - CIE Supplier DOT 1038 - 6NC07TRMAR - CIE Supplier DOT 1065 - 7TF32TRMAB, 7TF33TRMAB - HCMF Supplier
• 11035064Jul 6, 2026Fuel system. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector…
• 11034912Jun 30, 2026Engine. Throttle body – none
• 11034911Jun 30, 2026Engine. Throttle body – none
• 11034908Jun 29, 2026Brakes. Spring kit - disc brake pad
• 11034389Jun 25, 2026Suspension. WL Front Control Arm Bushing - Handling Link Has Loose Rubber Appearance
• 11034381Jun 25, 2026Suspension. Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the handling link (SOL S2102000004 Rev C. for reference). This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace.
• 11034369Jun 22, 2026Electrical system. Camera - rear view
• 11034368Jun 22, 2026Electrical system. Camera - rear view
• 11034351Jun 19, 2026Electrical system, Body and structure. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed. Rev A
• 11034335Jun 18, 2026Engine. Bolt - hex flange head
• 11034346Jun 17, 2026Electrical system. Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
• 11034342Jun 17, 2026Fuel system. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector…
• 11034336Jun 15, 2026Other or unknown. Heater - electric coolant
• 11034327Jun 15, 2026Other or unknown. Heater - electric coolant
• 11033975Jun 12, 2026Body and structure, Electrical system. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033973Jun 12, 2026Electrical system, Seats. Intermittent Operation of the Third Row Power Seat, 12volt Battery Drain
• 11033970Jun 10, 2026Electrical system, Suspension. Service 4WD Message, With Any Combination Of The Following Front Axle Disconnect (FAD) Diagnostic Trouble Codes
• 11033957Jun 8, 2026Electrical system. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11033897Jun 5, 2026Body and structure. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033896Jun 5, 2026Body and structure, Electrical system. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
• 11033895Jun 5, 2026Electrical system, Body and structure. Power Liftgate Intermittently Inoperative. Will Not Open/ Close. Liftgate/Hatch Ajar Message Displayed.
• 11033861Jun 3, 2026Electrical system. R1H Radio U41.10 USB Software Update Customers may experience one or more of the following: ● FCW OFF light ON with no DTCs and can't turn off. ● Blank screen and then reboot every 2 minutes and 40 seconds. (Rearview Camera Functions Normally). ● Paddle shifters not working/no longer a setting. ● Autolocks not working. ● Auto headlights not working. ● AM station not working (Appears some of the vehicles PROXI…
• 11033905Jun 2, 2026Electrical system. Radio Over The Air Update to U41.10 R1H Software Version (FOTA) Customers may experience one or more of the following: Inaccurate status or information displayed during phone calls- Voice Recognition performance- Carplay connectivity issues- Black / blank screens for Navigation or Media apps not affecting rearview camera funtionality- Visual glitch on Front passenger Display- Unresponsive widgets- Light & Dark mode…
• 11033885Jun 1, 2026Body and structure. WL DDM/PDM Mirror Blindspot inoperative If DTC is present DTC B285F-15 Blind Spot Warning Light Control-Circuit Short to Battery or Open Before replacing DDM/PDM. Inspect connection on Mirror connector end. Perform electrical continuity test. After succesful continuity test. Via Witech perform hard reset and clear DTC.
• 11033308May 29, 2026Body and structure, Electrical system. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033299May 26, 2026Suspension. ***68375577A$ is not showing the correct verbiage please update and correct*** Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the handling link (SOL S2102000004 Rev C. for reference). This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and…
• 11032982May 22, 2026Body and structure. Hot Cup Holders Customers may comment on the following: ● When the rear heat temperature is set at or near max hot output, the front center console's surfaces, first row and second row cup holders and storage bins are getting warm to the touch. This bulletin involves removing the front center console and installing an insulator foam pad on top of the Center Console air duct.
• 11032976May 21, 2026Electrical system. R1H Radio U41.10 USB Software Update Customers may experience one or more of the following: ● **FCW OFF light ON with no DTCs and can't turn off. ● Blank screen and then reboot every 2 minutes and 40 seconds. (Rearview Camera (RVC) Functions Normally). ● Paddle shifters not working/No longer a setting. ● Autolocks not working. ● Auto headlights not working. ● AM station not working (Appears some of the vehicles…
• 11032996May 18, 2026Suspension. Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the handling link (SOL S2102000004 Rev C. for reference). This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace.
• 11032992May 18, 2026Electrical system, Steering. After Electric Power Steering (EPS) Replacement, Diagnostic Trouble Code (DTC) C221C-00 ECU Not Programmed/Flash Required Is Set
• 11032857May 14, 2026Steering, Electrical system. 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, Electronic Stability Control (ESC) light on, please follow these steps: 1.- Review if there is any active DTC. Refer to service library procedure and follow diagnosis steps.
• 11032842May 13, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.
• 11032854May 12, 2026Suspension. Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the tension link. This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace.
• 11032810May 8, 2026Electrical system. Poor Audio Quality And Or Static From Wireless Devices
• 11032633May 8, 2026Electrical system. Poor Audio Quality And Or Static From Wireless Devices
• 11032824May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
• 11032814May 7, 2026Electrical system. Switch - liftgate

← All problems reported for the 2021 Jeep Grand Cherokee L