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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
08007222022-10-17. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL 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 Temperature Sensor Circuit High for this condition. The BCM should display P0072 - Ambient Air Temperature Sensor Circuit Low instead. The customer may also experience one or more of the following:Battery voltage in cold weather failing to initiate remote start due to voltage drop after ignition on3.0L Diesel (Sales Code EXF only). Remote start does not work first attempt, always works on the 2nd attempt issue3.0L Diesel (Sales Code EXF only).
18004222022-10-17. Service bulletin. ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.
S22080000232022-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Passenger Power Seat Inoperative, Fuse 28 Open
S22080000262022-10-17. Service bulletin. ELECTRICAL SYSTEM. Discharged Battery, Ignition Off Draw (IOD) From Aftermarket Electronic Accessories
08120212022-09-26. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; EXTERIOR LIGHTING. 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.
08115212022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER; EQUIPMENT. 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.
08114212022-09-26. 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.
08110212022-09-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. 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
764292022-09-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Warranty Bulletin D-21-09 Part Order Restriction Program - Certain Atlantis-High Components - Central ADAS Decision Module (CADM Lo), Radio Frequency Hub (RFHM), Security Gateway Module (SGW), Telematics Box Module (TBM2H) and Transmission Control Module (TCM) (Sales Code DFT - 850RE) - 2021 Jeep Grand Cherokee (WL)
S2108000181RevA2022-09-26. Service bulletin. ELECTRICAL SYSTEM. Media Hub And Or Wireless Charging Pad Is Inoperative
S21080001772022-09-26. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. The Odometer Is Flashing / Blinking
S21020000032022-09-26. Service bulletin. ELECTRICAL SYSTEM. ASCM DTC U0300 Internal Control Module Incompatibility
S21080001752022-09-26. Service bulletin. ELECTRICAL SYSTEM. Head Lamp Smart Lighting Module Left Or Right Locks Up After Flash, Head Lamps Will Not Turn On, Turn Signals Do Not Operate
S21230000522022-09-26. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; BACK OVER PREVENTION. 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.
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S21230000532022-09-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument Panel Dash Pad Cleaning Procedure
S2123000052-12022-09-26. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; BACK OVER PREVENTION. 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.
90043942022-09-26. Service bulletin. ELECTRICAL SYSTEM. Oil Drain Plug If you are replacing the oil drain plug for an oil seep condition, please replace with P/N 06506214AA.
0810322REVA2022-09-26. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find one or more of the following DTCs have been set: C1472-92 - Transfer Case Clutch Control-Performance Or Incorrect Operation(Sales Code DHY only). If any of these DTCs C1472-92, C149D-54 or C2206-56 are present(Sales Code DHY only), proceed toStep 4of the Repair Procedure. 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.
S22080001272022-09-26. Service bulletin. ELECTRICAL SYSTEM. BCM Replace Procedure And Command Location
9004548RevB2022-09-26. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Module, Anti-lock brake system / Hydraulic Control Unit Some 2018-19 WD/WK vehicles have the brake lights staying on without depressing the brake pedal as an affect of DTC C1093-62 occurring or due to an internal failure in the HCU/ABS Module please contact FCA Redacted Content. If there is no response within 15 minutes of initiating your call, please - Obtain a vehicle scan report with the diagnostic environmental data. - Record the Primary Pressure Sensor value ($2002) and the Primary Pressure Sensor offset ($2007). - then, continue with your normal diagnostic process, if possible please avoid seperating the ECU and HCU.
9004548RevA2022-09-26. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Module, Anti-lock brake system / Hydraulic Control Unit Some 2018-19 WD/WK vehicles have the brake lights staying on without depressing the brake pedal as an affect of DTC C1093-62 occurring or due to an internal failure in the HCU/ABS Module please contact FCA Redacted Content. If there is no response within 15 minutes of initiating your call, please - Obtain a vehicle scan report with the diagnostic environmental data. - Record the Primary Pressure Sensor value ($2002) and the Primary Pressure Sensor offset ($2007). - then, continue with your normal diagnostic process.
90045482022-09-26. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. Module, Anti-lock brake system / Hydraulic Control Unit Some 2018-19 WD/WK vehicles have the brake lights staying on without depressing the brake pedal as an affect of DTC C1093-62 occurring or due to an internal failure in the HCU/ABS Module please contact FCA Redacted Content. If there is no response within 15 minutes of initiating your call, please continue with your normal diagnostic process.
90044072022-09-26. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If any DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content If no response in 15 minutes, proceed with repair. Any new module requires a flash following installation regardless of whether the current part number is up-to-date .
1800721REVA2022-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. 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.

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