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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
S21210000142022-08-22. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation, Set After Performing A Routine Module Software Update.
S21020000032022-08-22. Service bulletin. ELECTRICAL SYSTEM. ASCM DTC U0300 Internal Control Module Incompatibility
S21230000672022-08-22. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Vehicle Will Not Crank Battery Drained
S21080001942022-08-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. High Beams Do Not Turn On While The Headlamp Switch Is Set To The Auto Lights On Position, High Beam Headlamps Do Operate With Switch Set To Manual Lights On Low Beam Position
S21240000132022-08-22. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. Vehicle Sets DTC P0480 Cooling Fan 1 Control Circuit
9004407 12022-08-22. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the 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 within 15 minutes, please proceed with repair. Any new module requires a flash following installation regardless of whether the current part number is up-to-date .
90044082022-08-22. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM. MODULE, Transfer Case Control (DTCM) If there are any ECU's being updated for Software updates this will cause an interuption in CAN communication which in combined with a shortened key cycle (CAN communication is still alive) can cause the C1472-92 DTCM Fault. If Vehicle sets C1472-92 verify the diagnostics by the following: (1.) Take Vehicle Scan to verify DTC is Active/Stored. Send to Tech Advisor to record DTC snapshot information. If Vehicle sets C1472-92 verify the repair by the following: (1.) Verify there are no Ground loose connections / concerns (G910A) by ensuring the ground stud securement is correct. (2.) Complete sleep cycle. Allow DTCM to fully shutdown. PRDNL lights will no longer illuminate. (3.) After complete shutdown, turn ignition on and shift out of Park. (4.) Shift back into part and complete shutdown of ignition cycle
90044072022-08-22. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the 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 within 15 minutes, please proceed with repair. Any new module requires a flash following installation.
18-007-212022-07-18. Service bulletin. 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: Poor air conditioning performance. Air conditioning compressor will not stop cycling and the evaporator freezes up.
S2108000024 Rev.2022-07-18. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Crank No Start Condition, No DTC?s
S21080000212022-07-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. Uconnect Connected Services Remote Start Inoperative
S21080000132022-07-18. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; COMMUNICATION. U0213-00 Lost Communication With Interior Mirror Control Module "A" Set After Performing A Restore Vehicle Configuration
S2008000031 Rev.2022-07-18. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Low Charging Voltage Displayed On Cluster
S2008000164 Rev.2022-07-18. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. R1 radio codes B15A1-00, B1431-00 or U3033-00 May Be Present
08-109-222022-06-27. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Air Suspension Control Module (ASCM) Updates For Diagnostic Trouble Code (DTC) U0300-00 This bulletin involves informing the technician about reprogramming the ASCM with the latest available software after replacement of the new ASCM only. The replacement ASCM will set DTC: U0300-00 - Internal Control Module Software Incompatibility-.
08-103-222022-06-27. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT; ELECTRICAL SYSTEM. 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 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 11of 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.
18-004-222022-06-27. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); 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 PCM software update is also being released as a generic release to support PCM replacement only in service (North America only). This software enables the following functions: Active Vehicle Speed Limiters (AVSL)(EMEA only). Intelligent Speed Assist (ISA)(EMEA only).
18-092-222022-06-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.The PCM software update is being released as a generic release to support PCM replacement only in service.
S228A0000062022-06-27. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Jeep Mobile App Remote Operations Inoperative
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause
S228A0000052022-06-27. Service bulletin. EQUIPMENT:ELECTRICAL:ANTENNA; ELECTRICAL SYSTEM. Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short DTC B1560-11, B1560-13, B1561-11 or B1561-13
S21080002092022-06-27. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Multiple Electrical Concerns, Reduced Cooling Fan Speed, Start Stop Does Not Work Intermittently, EPS Steering Warning Message, Check Engine Lamp On, Discharged Battery, No Start, Drained AUX Battery
S22080001102022-06-27. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Central ADAS Decision Module (CADM), Advanced Driver Assist System (ADAS), Lane Assist Inoperative, Service Active Lane Management Message
S22320000052022-06-27. Service bulletin. EQUIPMENT:ELECTRICAL:ANTENNA; ELECTRICAL SYSTEM. Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short DTC B1560-11, B1560-13, B1561-11 or B1561-13
S22230000402022-06-27. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Tick, Click, Snap Noise From Passenger Side Of Instrument Panel

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