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
| 0800323 | 2023-05-30. Service bulletin. SEATS; ELECTRICAL SYSTEM. Flash: Folding Seat Module (FSM) Updates The customer may describe the following: ? The third row seats are misaligned between the right and left either in folded or unfolded positions. This bulletin involves performing a software update and calibration routine on the FSM. |
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| 0806423 | 2023-04-17. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Over The Air Updating to QR40.12 Software Version Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 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 QR39.7 to QR40.12. NOTE: National launch for this FOTA update is expected to begin March 10, 2023. DISCUSSION: Vehicles sold in the U.S. and Canada can now receive software updates ?over-the-air?. Updates to software will occur in a phased roll-out. The software is updated through the built-in cellular modem in the radio. |
| S2108000015 | 2023-04-17. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Require Service Message |
| S228A000028 | 2023-04-17. Service bulletin. ELECTRICAL SYSTEM. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw |
| S1408000384 | 2023-04-17. 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 |
| S2308000011 | 2023-04-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Rear Power Window Switch Controls Both Rear Windows, Front Window Master Switch Will Not Operate the Rear Window |
| S2108000249 | 2023-04-17. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LOCK; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Cluster and Radio Display Settings Reverted Back to Default Settings, Auto Door Locks and Paddle Shifter Inoperative No Menu to Enable |
| 08-020-23 | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE; SERVICE BRAKES; BACK OVER PREVENTION. Flash: Radio Frequency Hub Module (RFHM) 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 Code (DTCs) have been set: B21DD-84 - System Voltage-Signal Below Allowable Range. B21DD-85 - System Voltage-Signal Above Allowable Range. C151D-00 - Tire Pressure Sensor Location Undetermined. U1517-87 - Body Controller Secret Code-Missing Message. B1A71-01 - Passive Entry Antenna 1-General Electrical Failure. B1A72-01 - Passive Entry Antenna 2-General Electrical Failure. B1A73-01 - Passive Entry Antenna 3-General Electrical Failure. B1A74-01 - Passive Entry Antenna 4-General Electrical Failure. B1A75-01 - Passive Entry Antenna 5-General Electrical Failure. The customer may also experience one or more of the following: ?Fob Left Vehicle? message is displayed on Instrument Panel Cluster (IPC) after a remote start. Vehicle no-starts. This bulletin involves updating the RFHM module with the latest available software |
| 08-003-23 | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; SEATS. Flash: Folding Seat Module (FSM) Updates The customer may describe the following: The third row seats are misaligned between the right and left either in folded or unfolded positions. This bulletin involves performing a software update and calibration routine on the FSM. |
| S2219000005 Rev. | 2023-02-13. Service bulletin. STEERING; POWER TRAIN; LANE DEPARTURE; ELECTRICAL SYSTEM. Check Engine Lamp On. Warning Messages In The Cluster. U0131 Lost Communication With Power Steering Control Module Set. |
| S2308000006 | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. All Windows are Open Without Request |
| S2323000011 | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; AIR BAGS. Rattle Noise From Driver Side Window Switch With Loud Music Or Driving On Rough Road. |
| 0810322 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM. This bulletin involves reprogramming the DTCM with the latest available software |
| 9100008 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Telematic box module 2 |
| 0805022REVA | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; WHEELS; STEERING; STRUCTURE; PARKING BRAKE; VEHICLE SPEED CONTROL; VISIBILITY. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latestavailable software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4wd) switchesand/or certain interior lamps not working. Upon further inspection the technician may also observe the following DTCs may have set withouta MIL: U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module. In addition, the customer may experience one or more of the following:Fuel Level and Range (distance to empty) (DTE) will both increase aftersleep 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 onlywill 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 andthe 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. |
| S2123000052RevB | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Wind or Whistle Noise from Exterior Side Mirror at Highway Speeds. Noise can be heard with front windows down between 30 and 60 MPH from both LH and RH exterior rear view mirrors. |
| S2208000140RevA | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Intermittently The Starter Clicks And Does Not Turn Over The Engine |
| S2208000141 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Cluster Display Option For Full Map Turn By Turn In Cluster Is Greyed Out |
| S2208000140 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Intermittently The Starter Clicks And Does Not Turn Over The Engine |
| S2008000075RevA | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Start Stop Inoperative, Cluster Message Service Start Stop System |
| S2208000138 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed |
| 0812021 | 2023-01-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected. |
| 0811521 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. Front USB Media Ports Inoperative This bulletin involves software update for the front USB media hubs. Customers may experience the following:Front media hubs inoperative. |
| 0811421 | 2023-01-17. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. UBR UER and UFR Radio Enhancements This bulletin involves updating the radio software level to 34.00.49. Customers may experience one or more of the following: Unable to connect vehicle Wi-Fi hot spot. SXM radio does not retain the same channel after the vehicle has been shut off. |
| 0811021 | 2023-01-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated to R17.83. Customers may experience one or more of the following: Ticking noise coming from audio. Rear temperature bar on rear climate page disappears. Apple Carplay® not connecting to iPhone®. App crashes. Temperature and slider bars missing on comfort screen. Selectable tire fill assist does not reflect unit change if unit is changed in settings |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.