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.

• 10220690Mar 8, 2022Vehicle speed control, Latches, locks and linkages, Seats. Power Liftgate Will Not Latch Closed
• 10212293Mar 8, 2022Body and structure. Power Liftgate Will Not Latch Closed
• 10229030Mar 7, 2022Equipment. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10229029Mar 7, 2022Electrical system. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
• 10223069Mar 7, 2022Equipment. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10223068Mar 7, 2022Electrical system. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
• 10220686Mar 7, 2022Equipment, Body and structure. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10220685Mar 7, 2022Electrical system. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
• 10212289Mar 7, 2022Body and structure, Equipment. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10212288Mar 7, 2022Electrical system. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode
• 10229032Mar 6, 2022Engine. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
• 10223070Mar 6, 2022Engine. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
• 10220688Mar 6, 2022Other or unknown, Engine cooling. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
• 10212291Mar 6, 2022Engine cooling, Engine. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
• 10229026Mar 4, 2022Wheels, Steering. Heated Steering Wheel Does Not Operate
• 10223065Mar 4, 2022Steering, Wheels. Heated Steering Wheel Does Not Operate
• 10220682Mar 4, 2022Steering, Wheels. Heated Steering Wheel Does Not Operate
• 10212285Mar 4, 2022Steering. Heated Steering Wheel Does Not Operate
• 10229176Mar 2, 2022Electrical system. This bulletin involves reprogramming the HVAC module with the latest available software.
• 10229115Mar 2, 2022Engine cooling, Electrical system, Vehicle speed control. Flash: Heating Ventilation and Air Conditioning (HVAC) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following:High pitch whistle coming from the dash when the blower motor is turned on.High pitch whistle originated from the defroster door when the HVAC unit in either Hi-Level (panel and defrost) or Bi-Level (panel and floor) modes.
• 10223214Mar 2, 2022Electrical system. This bulletin involves reprogramming the HVAC module with the latest available software.
• 10223153Mar 2, 2022Vehicle speed control, Electrical system, Engine cooling. Flash: Heating Ventilation and Air Conditioning (HVAC) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following:High pitch whistle coming from the dash when the blower motor is turned on.High pitch whistle originated from the defroster door when the HVAC unit in either Hi-Level (panel and defrost) or Bi-Level (panel and floor) modes.
• 10220832Mar 2, 2022Visibility (wipers, defrost, mirrors), Electrical system. This bulletin involves reprogramming the HVAC module with the latest available software.
• 10220771Mar 2, 2022Vehicle speed control, Electrical system, Engine cooling. Flash: Heating Ventilation and Air Conditioning (HVAC) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following:High pitch whistle coming from the dash when the blower motor is turned on.High pitch whistle originated from the defroster door when the HVAC unit in either Hi-Level (panel and defrost) or Bi-Level (panel and floor) modes.
• 10212374Mar 2, 2022Equipment, Electrical system, Engine cooling. Flash: Heating Ventilation and Air Conditioning (HVAC) Updates This bulletin involves reprogramming the HVAC module with the latest available software. Customers may experience the following:High pitch whistle coming from the dash when the blower motor is turned on.High pitch whistle originated from the defroster door when the HVAC unit in either Hi-Level (panel and defrost) or Bi-Level (panel and floor) modes.
• 10229114Mar 1, 2022Back-over prevention (rear camera). Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience the following:Active Noise Cancellation (ANC) drone noise at 950 between 1,000 RPM, during a start up.The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance. If B221F-00 is a stored fault…
• 10229017Mar 1, 2022Equipment, Electrical system. Uconnect Box Requires Service Message
• 10229016Mar 1, 2022Body and structure, Equipment. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10229015Mar 1, 2022Other or unknown, Electrical system. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
• 10223152Mar 1, 2022Back-over prevention (rear camera). Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience the following:Active Noise Cancellation (ANC) drone noise at 950 between 1,000 RPM, during a start up.The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance. If B221F-00 is a stored fault…
• 10223056Mar 1, 2022Equipment. Uconnect Box Requires Service Message
• 10223055Mar 1, 2022Equipment. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10223054Mar 1, 2022Other or unknown, Electrical system. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
• 10220770Mar 1, 2022Electrical system. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience the following:Active Noise Cancellation (ANC) drone noise at 950 between 1,000 RPM, during a start up.The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance. If B221F-00 is a stored fault…
• 10220673Mar 1, 2022Other or unknown. Uconnect Box Requires Service Message
• 10220672Mar 1, 2022Equipment, Body and structure. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10220671Mar 1, 2022Other or unknown, Electrical system. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
• 10212373Mar 1, 2022Equipment, Electrical system. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience the following:Active Noise Cancellation (ANC) drone noise at 950 between 1,000 RPM, during a start up.The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance. If B221F-00 is a stored fault…
• 10212276Mar 1, 2022Electrical system, Equipment. Uconnect Box Requires Service Message
• 10212275Mar 1, 2022Equipment, Body and structure. Water Leaking From Overhead Console Or Headliner Microphone On Sunroof Equipped Vehicle
• 10212274Mar 1, 2022Electrical system, Other or unknown, Equipment. Mopar Trailer Tow Module Kit Sales Incorrect Sales Code And/Or CAN IHS Wiring Incorrect Connector Cavities
• 10222999Jan 29, 2022Electrical system. Electronic Shift Module (ESM) Replacement This bulletin involves replacing the ESM. Customers may experience the following:Rotary shifter requires additional turns to get to desired gear. Shifter needs to be rotated through multiple additional detents to attain desired gear position.The current gear is always correctly displayed.
• 10222998Jan 28, 2022Electrical system. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM with the latest available software. Upon further investigation the technician may find the following stored Diagnostic Trouble Code (DTC): B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may also experience one or more of the following:Memory seat functionality is inoperative. Memory recall…
• 10222997Jan 27, 2022Electrical system, Back-over prevention (rear camera), Exterior lighting. 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…
• 10222996Jan 27, 2022Electrical system. Power Liftgate Module (PLGM) Replacement Due to a Battery Drain Issue This bulletin involves replacing the PLGM. Customers may experience one of the following:Vehicle will not start. It will start once it is jump started. Battery is dead.
• 10222978Jan 12, 2022Electrical system. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). When the ambient air temperature sensor voltage goes to 0 volts (shorted to ground), the BCM sets a P0073 - Ambient Air…
• 10222977Jan 11, 2022Back-over prevention (rear camera). Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. National launch for this FOTA update is expected on:WD - Current Level R17.89 update to R17.99 launched on 01/10/2022. WD - Current Level R17.73 update to R17.99 launched…
• 10222972Jan 6, 2022Electrical system. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.
• 10222948Jan 1, 2022Equipment. Unable To Program Fobiks To Replacement RFH
• 10222945Jan 1, 2022Electrical system, Transmission and drivetrain. Passenger Power Seat Inoperative, Fuse 28 Open

← All problems reported for the 2021 Jeep Grand Cherokee