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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.

By type

By component

By trouble code

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

Bulletins, newest first
S1408000384 REV.H2025-01-28. Service bulletin. ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
S1408000384 REV.G2025-01-09. Service bulletin. ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
S2422000001 REV.C2024-11-13. Service bulletin. WHEELS; ELECTRICAL SYSTEM. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
08-228-242024-11-07. Service bulletin. ELECTRICAL SYSTEM. "R1H Radio T27.38 USB Software Update Customers may experience one or more of the following: ● Uconnect phone improvements. ● Incorrect Navigation units shown. ● Navigation feature shows no road name with a straight road at times when not setting up a navigation route. ● Missing radio stations. ● Accessibility settings are missing. ● Incorrect phone widget. ● Radio freezes. ● The Hybrid/EV screen display is blank when the user switches to the dark mode theme. ● Hybrid/EV pages are inoperative. ● Radio display is off when starting the vehicle. The display will restore to normal operation after roughly one minute of run time. (Rearview Camera (RVC) Functions Normally). ● Radio screen is black (RVC Functions Normally). ● USB mode changes on its own. ● Remotely Operated Vehicle (ROV) Firmware Over The Air (FOTA) scheduling improvements. ● Apps downloaded for one connected profile are being shared with other local profiles. ● Profile creation process is slow to respond. ● Camera soft-keys are slow to respond when selecting the reverse or forward camera displays. ● The FamCam ""X"" button is missing. ● SiriusXM radio resets. ● Radio resets. ● The RVC zoom feature lags. ● Voice Recognition (VR) is stuck in listening mode. ● Android Auto® resets. ● Android Auto® disconnects. ● Apple® CarPlay® disconnects. ● Missing battery voltage information. ● Rear Seat Alert (RSA) reminder is inoperative. ● The menu bar is missing from the display. ● The Wi-Fi application is missing. ● Music playback is inoperative. ● Invalid FOTA pop-up message displays. ● The Assisted Call features audio is inoperative. This bulletin involves updating the R1H radio software level to T27.38. "
S228A000017 REV.A2024-09-23. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
23-004-24 REV. A2024-08-13. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses."
S24080000792024-07-19. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Low Battery, No Crank No Start, Cluster Message “Service Keyless System”, Intermittent Power Liftgate Operation
91003862024-07-11. Service bulletin. ELECTRICAL SYSTEM. Security Gateway Module Battery Voltage - Circuit Voltage Below Threshold - DTC B2199-16 Repair Action : 1) Check OR Replacing cabling. 2) Check OR Replacing connector. 3) Check the battery is good OR Replacing battery. 4) Check OR Replacing FUSE. 5) Check SGW terminal. Battery Voltage - Circuit Voltage Above Threshold - DTC B2199-17 Repair Action : 1) Check OR Replacing cabling. 2) Check OR Replacing connector. 3) Check the battery is good OR Replacing battery. 4) Check OR Replacing FUSE. 5) Check SGW terminal. CAN Bus- [C-CAN1] (Node mute) or CAN Bus Off Performance- (Bus off failure) - Check DTC in DTC matrix Repair Action: 1) CAN Lines Check 2) Read Fault memory of all nodes 3) Check and download the right calibration file for current vehicle configuration Ethernet Bus Failure - Check DTC Repair Action: 1) CAN Lines Check 2) Read Fault memory of all nodes 3) Check and download the right calibration file for current vehicle configuration ECU-In-Plant-Mode - B235A-00 Repair Action: Install Calibration file with correct policy Ecu Internal Performance - Internal Electronic Failure - DTC B22A9-49 Repair Action: 1. If its in store clear and check again if DTC shows up. 2. Check battery voltage 3. Issue still exist then change ECU ECU Not Programmed / Flash Required (No Valid Application) - DTC C221C-00 Repair Action: 1. Reflash ECU with correct file Control Module Security Certificate Missing/Invalid - DTC U3033-00 or U3033-01 Repair Action: 1. Check connectivity 2. Ethernet network 3. Flash with the latest FOTA App Code 4. Flash the cert store with correct certificate 5. Clear Faults
91003582024-07-04. Service bulletin. ELECTRICAL SYSTEM. FPDM Please DO NOT immediately replace the display, Please follow the following steps. 1. Perform a vehicle battery disconnect to reset the display. Then check the Display function. If Display is still black, replace the display. 2. If screen is recovered, perform a radio Factory reset through the Display. Go to Vehicle menu > Settings > Reset > Factory reset. 3. Then Perform 2 full Ignition Key cycles and check display function. Turn the vehicle off, then open the door and close the door. Then wait until the cluster goes completely off before turning on the car again. 4. If still having screen issues, replace the Display.
S1408000384 REV.F2024-07-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. "Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On "
08-146-242024-07-02. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; UNKNOWN OR OTHER; FORWARD COLLISION AVOIDANCE: WARNINGS. "Mid - Range Radar Replacement Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C00C4-49 Rear Radar Module 'A' - Internal Electronic Failure. Customers may also experience the following: ● Blind Spot Warning Mid Range Radar warning light on in instrument cluster. This bulletin involves replacing the rear Mid - Range Radar Module."
S24080000662024-06-28. Service bulletin. ELECTRICAL SYSTEM. Drained Battery, Low System Voltage, Battery Not Charging, High System Voltage
S228A000005 REV.D2024-06-17. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short Diagnostic Trouble Codes (DTCs)
91003562024-06-14. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. MODULE Occupant Restraint After Battery Drainage ORC do not work. Please follow the following steps. 1. Check ORC proxi, if the ORC is not aligned, perform proxi alignment, reset module. 2. If proxi is correct, reset module 3. Check for DTCs, and check wiring and components related to those DTCs and clear them.
S1908000050 REV.A2024-06-05. Service bulletin. ELECTRICAL SYSTEM. Checking Radio Software Level On A VP2 Radio
S24080000482024-06-04. Service bulletin. SEATS; STEERING; ELECTRICAL SYSTEM. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate After a Recent Module Replacement
08028242024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Radio Over The Air Update from QR39.82F to QR40.12 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware 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. The radio software will be updated from QR39.82F to QR40.12. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.
08026242024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Radio Over The Air Update from QR39.5 to QR40.11 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware 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. The radio software will be updated from QR39.5 to QR40.11. NOTE: National launch for this FOTA update is expected to begin Feburary 19, 2024.
08025242024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Radio Over The Air Updating to QR40.12 Software Version Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware 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. The radio software will be updated from QR39.2 to QR40.11. NOTE: National launch for this FOTA update is expected to begin February 19, 2023.
S22080000602024-03-18. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. Low Fuel Warning Indicator Stuck ON
S14080003842024-03-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
08245232024-01-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Update to Q339.3 to QR39.62 Software Version Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware 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. The radio software will be updated from Q339.3 to QR39.62. NOTE: The National launch for this FOTA update campaign is expected to begin December 04, 2023.
18107232024-01-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0171 - Fuel System 1/1 Lean. ? P0174 - Fuel System 2/1 Lean. This bulletin involves reprogramming the PCM with the latest available software.
S23080000542024-01-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. System Operation Obstructed or Blocked, ?Blind Spot Temporarily Unavailable, Sensor Blocked?, ?Automatic Emergency Braking (AEB) Limited Service Required? or ?Limited Functionality Clean Front Windshield? Displayed Momentarily on The Cluster
S23080001392024-01-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Code Error Message on The Radio, Uconnect Box Error or ?Please Reset Message? Appears on the Radio Display

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