2021 Jeep Grand Cherokee L technical service bulletins
215 technical service bulletins and manufacturer communications cover the 2021 Jeep Grand Cherokee L, including 5 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- FCA Caribbean Warranty Newsletter – Volume 11, Issue 7
- Warranty Newsletter – Volume 11, Issue 7
- FCA Caribbean Warranty Newsletter – Volume 11, Issue 6
- FCA Caribbean Warranty Newsletter – Volume 11, Issue 4
- Warranty Newsletter – Volume 11, Issue 4
- Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
- The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward...
- R1H Radio U41.10 Software Update
- Applique - front door
- Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star...
- Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
- Steering Dragging While Recreational Flat Towing Behind RV.
- Shaft - axle half
- Display Verify "Z" part number availability
- Power Folding Seat Wire Harness Pinched Customers may experience one or more of the following: SYMPTOM: ●...
- Before replacing any part, check the DOT on the glass or the PN to make sure you choose the replacement...
- Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long...
- Throttle body – none
- Spring kit - disc brake pad
- Clunking when going over bumps, potholes, or turns
- WL Front Control Arm Bushing
- Camera - rear view
- Power Liftgate Intermittently Inoperative
- Bolt - hex flange head
- Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
- Heater - electric coolant
- Intermittent Operation of the Third Row Power Seat, 12volt Battery Drain
- Outside Power Fold Rearview Mirror Noise Or Loose At Pivot
- Service 4WD Message, With Any Combination Of The Following Front Axle Disconnect (FAD) Diagnostic Trouble...
- Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- Power Liftgate Intermittently Inoperative
- Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
- R1H Radio U41.10 USB Software Update Customers may experience one or more of the following: ● FCW OFF...
- Radio Over The Air Update to U41.10 R1H Software Version (FOTA) Customers may experience one or more of...
- Wl ddm/pdm
- 68375577A$ is not showing the correct verbiage please update and correct Clunking when going over bumps,...
- Hot Cup Holders Customers may comment on the following: ● When the rear heat temperature is set at or near...
- R1H Radio U41.10 USB Software Update Customers may experience one or more of the following: ● FCW OFF...
- After Electric Power Steering (EPS) Replacement, Diagnostic Trouble Code (DTC) C221C-00 ECU Not...
- Before replacing the steering column control module (SCCM) due to wipers inop, wipers not turning off,...
- Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays...
- Clunking when going over bumps, potholes, or turns
- Poor Audio Quality And Or Static From Wireless Devices
- Switch - liftgate
- Actuator - a/c and heater
- WL Front Control Arm Bushing
- Door Latch, Handle And Ajar Additional Service Information.
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Rear Taillamp Condensation Clearing Procedure On occasion, vehicle exterior taillamp assemblies get fogged...
- U0422-00
- Buzz Squeak Rattle (BSR) Noise From Rear Of Vehicle.
- Power Liftgate Inoperative Or Intermittently Will Not Open Or Close.
- Cover - cargo area
- Clunk, Creaking, Squeaking, Knocking Noise From Front Suspension Over Bumps And Or Rough Road Conditions.
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from...
- The vehicle will exhibit a service transmission/check engine warning indicator for the following...
- Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00,...
- Sensor - pinch
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)...
- Speaker - none
- Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV...
- Verify "Z" part number availability
- Water pump
- Harman R1H Uconnect 5 Radio Software Flash Error Codes
- The Handsfree Kick Feature Does Not Work Or Works Intermittently.
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)...
- Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
- Hose - sunroof drain
- Open a star case prior to ordering or installing a replacement 68436288A$ or Z8436288A$ PN This includes...
- Passive Entry Exterior Door Handle Inoperative When Touched For Lock And Or Unlock.
- Any 2021-2022MY WL that has the right power liftgate anti-pinch sensor or power liftgate module(PLGM)...
- Not applicable to vehicles built for US market
- Water Pump & Chain Case Cover
- The customer is experiencing a clicking or pop noise from the steering knuckle and bearing area during...
- Service Shifter Message On Instrument Cluster With Loss Of Communication Diagnostic Trouble Code (DTC)...
- Latch - liftgate
- Note: actual release date was 12/22/2025 The customer is experiencing a clicking or pop noise from the...
- Switch - transfer case, ride height, terrain select
- The customer states the ABS and Traction Control warning comes on. Vehicle sets wheel speed BSCM/ABS fault...
- Armrest - rear door trim
- Power Liftgate Noise During Gate Operation
- Throttle body - none
- Service 4WD light on in the cluster
- Module - steering control
- Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
- Amplifier - none
- Power Liftgate Is Inoperative or Won’t Close.
- Diagnostic Trouble Code DTC(s) C1593-00, C2217-00, U0131-00. and Service Electric Power Steering Messages.
- The customer is experiencing a "clicking" noise during turns while driving on WL vehicles
- Engine Oil Leak
- Module - steering control & column
- Tire Pressure Monitor (TPM) Warning Lamp On Or Flashing
- R1H Radio U33.43 USB Software Update Customers may experience one or more of the following: ● Unable to...
- Not applicable to vehicles built for US market
- Not applicable to vehicles built for US market
- Not applicable to vehicles built for US market
- Flash: Amplifier (AMP) Diagnostic and System Updates Customers may experience one or more of the...
- Rear Door Mounted Window Switch Button Is Inoperative, Stuck, Or Switch Button Does Not Return To Original...
- Noise From Front End While Steering Or Turning The Steering Wheel.
- Exterior Front Lamps Condensation Clearing Procedure Some customers may report that on occasion vehicle...
- Verify "Z" part number availability
- Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.
- Shaft - steering column intermediate
- Center stack - display
- Not applicable to vehicles built for US market
- Power Side Steps Reverse, Stop In Motion, Do Not Deploy Or Stow, And May Have a Chirp Noise.
- Liftgate Lock Button Inoperative, Cluster Message “Service Keyless System”
- Not applicable to vehicles built for US market
- Windshield HUD (Head Up Display) Display Features
- Door speaker Inoperative or No Sound
- Engine Rattle Noise
- Radio Screen Goes Blank, Rearview Camera (RVC) Functions Normally
- Tire Pressure Monitor (TPM) Service Information
- Rear Taillamp Condensation Clearing Procedure On occasion, vehicle exterior taillamp assemblies are fogged...
- Blind Spot Mirror Warning Inoperative Or Intermittently Inoperative
- Engine Cylinder Block Porosity Inspection
- Module - engine controller
- Steering Repair Information Involving Toe Angle
- Check Engine Lamp On. Warning Messages in the Cluster
- Decreased Remote Start And RKE Range
- 850RE d
- Adjuster
- Warranty Newsletter – Volume 11, Issue 6
- Intermittent Vibration Buzz Squeak Rattle (BSR) Shaking Felt In Steering Wheel.
- 12 Channel Amplifier Popping Noise Sound Customers may experience the following: ● Popping sound coming...
- Steering Wheel Off Center
- Front Door Interior Panels: Warped Interior Door Panel / Broken Panel / Door Panel Not Fully Seated...
- Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts
- Misfire Diagnostic Trouble Codes (DTCs), Rough Idle, Valvetrain Noise Customers may experience a...
- Washer Light On And Will Not Turn Off After Adding Washer Solvent."
- Slight Pull, Drift, Wander
- Flash: Trailer Tow Module (TTM) Updates Customers may comment on one or more of the following: ● If the...
- 3.6L psu
- Transmission "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00,...
- Transmission Fluid Please note fluid color/condition/odor is NOT an indicator of transmission health and...
- Check Engine Lamp On. Diagnostic Trouble Code (DTC) P1D73 And Or P05AE For Active Grill Shutter (AGS)."
- Carpet - rear floor
- Center Console Armrest Lid Does Not Stay Open, Feels Loose, Does Not Latch.
- Sunroof Inoperative, Not Moving To Open Or Closed Positions.
- No Crank, No Start, Start Stop Inoperative
- C008E-00
- Flash: Trailer Tow Module(TTM) Updates Customers may comment on one or more of the following: ● If the...
- 850RE d
- Trailer Tow Lights Inoperative
- Exterior Rear View Mirror Stained And Will Not Clean.
- Crackle, Pop or Growl noise At Start-up
- Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is...
- Module
- Valve - oil control
- Canister
- D Clutch Repair Kit For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a...
- Radio USB update to U33.43 Customers may experience one or more of the following: ● Unable to select the...
- Engine Noise
- Apple CarPlay Does Not Complete The First Initial Wireless Connection.
- Lower active grill shutter
- Defroster Grille Has Gaps And Or Is Not Sitting Flush.
- Grille molding applique is sticking out at the headlamp
- 1st Row Seat Belt Retractor D-Ring Is Binding And Not Able To Rotate
- Replacement Exterior Mirror Glass Connector Does Not Match For Blind Spot.
- SOS Button Inoperative And Or Unavailable
- 3.6L psu
- Uconnect Box Require Service Message
- Exterior Mirror Blind Spot LED Indicator Inoperative Or Will Not Turn Off. Diagnostic Trouble Code (DTC)...
- Exterior Power Fold Mirror Does Not Travel To Full Extend or Fold Positions.
- Touchscreen For all infotainment system repairs (touchscreens, radios, etc.), refurbished parts may be...
- Check Engine Lamp On. Warning Messages In The Cluster
- Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head...
- Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short Diagnostic Trouble Codes...
- Service 4WD Message, Diagnostic Trouble Codes (DTCs) C1463-94 Front Axle Disconnect Control-Unexpected...
- Service 4WD Message Illuminated
- 3.6L psu
- Latch – front & rear door
- D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle...
- Throttle body
- Transmission - 8 speed
- Buzz Squeak Rattle (BSR) Noise At Idle.
- D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle...
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