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Service bulletins for the 2021 Jeep Grand Cherokee

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1325 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S21230000672022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Vehicle Will Not Crank, Battery Drained OR Vehicle Alarm Sounds For No Obvious Reason.
90045362022-06-27. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. MODULE, Telematics A brand-new vehicle with telematics box, customer may report Uconnect box error popup on the screen every time the vehicle is ignition on. Missing security certificate on a new vehicle or after a new TBM installed, or any active DTC set by TBM will trigger this popup. Please refer to STAR Online S2108000015 for more information. If you continually see this popup message, also see an active B22A9-93 DTC, please use wiTECH tool to check TBM2 module and record the failure information as shown on STAR Online S228A000003. Before replacing the TBM module, please check connections behind the TBM, the antenna and harness for improper connection and damage. Please call Stellantis engineers for more guidance. FCA Redacted Content
90043882022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CLUSTER, Instrument Panel 1. MY2021 WL IPC has a stored fault for HUD IPC setting LOC with HUD U0158 and LVDS Cable with HUD B156D . This DTC goes to STORED when the vehicle goes from Logistics to customer mode. The only action to be performed in this instance is to clear the fault - there is no problem with the vehicle. Please do not replace the cluster or the HUD. 2. Cluster Map Display Becomes Frozen At Times When Using Navigation all the other screens in the cluster are functional. Customer can navigate to other screens in this condition. The owner complains that the navigation map display does not update on the cluster; screen is frozen. Technician may or may not be able to duplicate the condition. The vehicle is not setting any DTC?s for the issue. If the map display is frozen on the cluster, cycling the ignition will reset the cluster to allow proper operation. Do not replace any parts at this time, available parts in service will have the same condition. Engineering is currently researching the issue and will notify the field when updates become available.
18007212022-05-31. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module PCM Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on the following conditions: The RPM gauge in the center cluster is inoperative International Markets Only. Poor air conditioning performance. Air conditioning compressor will not stop cycling and the evaporator freezes up.
08088212022-05-31. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
S21080001422022-05-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. No Phone Connected Message Displayed Or Customers Phone Book Does Not Load
S21080001512022-05-31. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; VISIBILITY. Front Power Windows Global Down Feature Does Not Operate
S21080001522022-05-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Cluster Map Display Becomes Frozen At Times When Using Navigation
S21080001542022-05-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Cluster Sets Erroneous Stored DTC?s After Removing The Vehicle From Shipping/Logistics Mode And Entering Customer Mode
08069222022-05-31. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Smart Lighting Module Left (SLML) and Smart Lighting Module Right (SLMR) Updates This bulletin involves reprogramming the SLML and SLMR 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: B2834-00 - Right Headlamp Assembly Performance. B2835-00 - Left Headlamp Assembly Performance. Customers may experience one or more of the following: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
18061222022-05-31. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING. Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.
18052222022-05-31. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customer may experience one or more of the following: Rough running idle after engine start and hesitation, or stumble feel during a cold engine drive away. Shift quality related to AC clutch cycling - bump felt during transmission shift if the AC turns on, or off, at the exact same time a shift happens. Customer or technician may also experience the following:Generic Scan Tool connection reports Emissions as OBDII, should be reporting as Emissions as OBDI for Export(APAC, EMEA and LATAM only).
0804322 REVB2022-05-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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. May be worsened when running the front airflow at blower bar 1-2 and rear airflow at blower bar 5-7
0804322 REVA2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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. May be worsened when running the front airflow at blower bar 1-2 and rear airflow at blower bar 5-7.
08048222022-05-31. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; EQUIPMENT. UBR UER and UFR Radio Enhancements This bulletin involves updating the radio (UBR and UER) software level from the current level R34.00.49 or R37.03.58 to R41.00.56This bulletin involves updating the radio (UFR) software level to 34.00.49. Customers may experience one or more of the following: Auto button on climate control screen not present. When Voice Recognition (VR) button is pressed on radio, wrong message is displayed. Displays ?Bluetooth® Pairings? instead of connect Apple Carplay® or Android Auto® device. Wi-Fi hotspot password always shows "null". Customer can't use feature. Wi-Fi hotspot name not recognized on customer?s cellular device. Language selection on radio can not be saved after selecting. Wrong date format displayed using Korean language. Radio display is blank (rear view camera still operable). Radio touchscreen inoperative. Zoom In/Out button inoperative for rear view camera. Rear Cross Path Mode and Blind Spot chime keeps playing when object is no longer present. Irregular chime frequency. Time format does not change from military to 12-hour format. ABC Jump Keyboard will not display. Incorrect DTC implementation for Media Hub disconnection. Pressing mute hard key while on phone call does not mute microphone. Adjust clock settings shortcut in home screen does not navigate you to the right screen. SXM radio stuck on current channel, no audio and can't navigate to other channels using soft keys or knob. Media port working intermittently and setting and may set Diagnostic Trouble Codes (DTC's): B15A1-00 - Media Port 1 Connection. B15A3-00 - Media Port 3 Connection. B15A4-00 - Media Port 4 Connection. Unable to connect vehicle Wi-Fi hot spot. SXM radio does not retain the same channel after the vehicle has been shut off.
08050222022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT; STEERING; ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. The customer may experience one or more of the following: Fuel Level and Range (distance to empty) (DTE) will both increase after sleep cycle. Fuel Level % would increase when parked on a slope. Fuel gauge remains at full for 107 km (67 miles) vs. 73 km (45 miles). After fueling up with 68 liters (18.1 gallons) of fuel, the fuel gauge only will read around 1/4 tank and the low fuel lamp is still illuminated. After 10 minutes of driving, the gauge only read around 3/4 tank and the fuel lamp is still on. Refuel button is pressed for a short duration of 500ms or less at key off, then the fuel door is not opened. When the phone is charging on the Wireless Charging Pad Module (WCPM) and the fob is near, the customer opens then closes the liftgate, the IPC will pop up "key fob has left the vehicle" message. On vehicles equipped with Electronic Steering Lock (ESL), it requires 3 Start/Stop button presses to transition from key off to key run when the vehicle was in deep sleep.
08043222022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND 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. May be worsened when running the front airflow at blower bar 1-2 and rear airflow at blower bar 5-7
08041222022-05-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 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 update the AMP with appropriate software. If fault is active, follow normal DTC diagnostics.
S2108000177 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. The Odometer Is Flashing / Blinking
S2108000177 RevA2022-05-31. Service bulletin. ELECTRICAL SYSTEM. The Odometer Is Flashing / Blinking (Document published to dealers has a February 2022 date indicated incorrectly)
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22080000722022-05-31. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; TIRES. RKE Does Not Work Or Has Short Range, TPM Is Not Reading Tire Pressures Or Remote Start Is Inoperative
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-05-31. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. ?Device Not Supported? Message on the radio screen
S22230000172022-05-31. Service bulletin. ELECTRICAL SYSTEM. FSM Folding Stow Module Replacement Information B235A-00 ECU In Plant Mode

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.