2021 Jeep Grand Cherokee Technical Service Bulletins

1,326 technical service bulletins (TSBs) are on record for the 2021 Jeep Grand Cherokee. 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.

• 11021823Aug 5, 2025Electrical system. Not applicable to vehicles built for US market. R1H Radio U33.43 USB Software Update Customers may experience one or more of the following: ● Wi-fi Software update pop-up is being triggered in non connected vehicles. ● Radio freezes and then restarts. ● Head Unit (HU) freezes and then restarts. ● HU is taking more than one minute to start after starting the engine. ● System displays blank screen in E-Hybrid tab…
• 11021581Aug 2, 2025Electrical system. Door speaker Inoperative or No Sound
• 11021043Jul 26, 2025Engine. Engine Rattle Noise
• 11021047Jul 24, 2025Other or unknown. Warranty Newsletter – Volume 11, Issue 7
• 11021046Jul 24, 2025Other or unknown. FCA Caribbean Warranty Newsletter – Volume 11, Issue 7
• 11021039Jul 23, 2025Electrical system. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
• 11021010Jul 22, 2025Body and structure. Rear Taillamp Condensation Clearing Procedure On occasion, vehicle exterior taillamp assemblies are fogged with a light layer of condensation on the inside of the lenses Fig. 1. 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). Lens fogging can also occur under certain…
• 11020853Jul 18, 2025Body and structure. Blind Spot Mirror Warning Inoperative Or Intermittently Inoperative. Service Blind Spot Message In Cluster.
• 11020832Jul 16, 2025Engine. Engine Cylinder Block Porosity Inspection - Engine Cold Start Rough Idle Customers may experience the following: ● Rough engine idle when cold starting the engine. ● Low coolant level in coolant recovery bottle.
• 11020858Jul 15, 2025Engine. Module - engine controller
• 11020855Jul 14, 2025Transmission and drivetrain. To inform dealers about the 850RE valve body PN: R8348504A connector: the original 16-pin connector included six pins that were not used in this application. To simplify the design, the connector has been optimized and updated to a 10-pin configuration.
• 11020847Jul 14, 2025Electrical system, Steering. Steering Repair Information Involving Toe Angle. Tie Rod And Or Electric Power Steering (EPS) Units.
• 11020636Jul 4, 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 comment…
• 11020600Jul 4, 2025Electrical system. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 11020597Jul 4, 2025Electrical system, Steering. Diagnostic Trouble Code DTC(s) C1593-00, C2217-00, U0131-00. and Service Electric Power Steering Messages.
• 11020596Jul 4, 2025Steering, Electrical system. Check Engine Lamp On. Warning Messages in the Cluster. U0131 Lost Communication with Power Steering Control Module Set.
• 11020608Jul 3, 2025Engine. When replacing a camshaft and parts kit (P/N 68661146xx and/or 68661147xx), it is NOT necessary to order the roller-finger followers (rocker arms) separately, as these are included in the camshaft parts kit.
• 11020265Jun 30, 2025Electrical system. Display Verify Z part number availability. Order a Z part number for all Exchange Orders: Warranty, Mopar, customer pay and service contract. Order regular part number for New unsold units only.
• 11019761Jun 20, 2025Body and structure. Blind Spot Mirror Warning Inoperative Or Intermittently Inoperative. Service Blind Spot Message In Cluster.
• 11019773Jun 18, 2025Engine. ADJUSTER Valve Lash Customer's complaint may include a ticking noise coming from the engine. Technician's observations can refer to spongy or stuck hydraulic lash adjusters. Exhaust lash adjusters found with a "spongy" condition (compressible plunger) leading to the assumption of being defective/malfunctioning. EXHAUST lash adjusters are designed to be COMPRESSIBLE by hand.
• 11019618Jun 13, 2025Engine. "Spark Knock/Engine Symptoms Customers may experience the following: ● Knocking or pinging noise coming from the engine upon acceleration. This bulletin involves cleaning the piston heads and cylinder head combustion chambers to resolve a spark knock condition being caused by oil intrusion through the PCV system."
• 11019600Jun 11, 2025Other or unknown. Warranty Newsletter – Volume 11, Issue 6
• 11019598Jun 11, 2025Other or unknown. FCA Caribbean Warranty Newsletter – Volume 11, Issue 6
• 11019450Jun 7, 2025Lane departure, Steering. Intermittent Vibration Buzz Squeak Rattle (BSR) Shaking Felt In Steering Wheel.
• 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."
• 11018500May 15, 2025Fuel system. Tube - fuel injector supply & gasket - none
• 11018410May 14, 2025Other or unknown. Bolt - hex flange head
• 11018408May 14, 2025Fuel system. Tube - fuel injector supply & gasket - none
• 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
• 11017069Apr 14, 2025Electrical system. "Display Verify Z part number availability. Order a Z part number for all Exchange Orders: warranty, Mopar, customer pay and service contract. Order regular part number for New unsold units only."
• 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…

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