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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: Transmission and driveline are shown. Show all

Bulletins, newest first
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.
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.
S21080001512022-05-31. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; VISIBILITY. Front Power Windows Global Down Feature Does Not Operate
S21250000022022-05-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:
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).
S2121000014 RevC2022-05-31. Service bulletin. POWER TRAIN; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). Service 4WD Message Illuminated. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation.
90045072022-05-31. Service bulletin. POWER TRAIN. MODULE, Anti-Lock Brake System & BOOSTER, Power Brake Prior to replacing this for a C0597-00 fault code, ensure that the software is at the latest level.
90045042022-05-31. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. TRANSFER CASE If the Transfer Case is being replaced for a concern related to C1472-92 refer to STAR Online S2121000014 Rev. C before ordering.
90044992022-05-31. Service bulletin. POWER TRAIN; STRUCTURE. VALVE BODY & CONTROL UNIT, Transmission This valve body is currently unavailable from Mopar. Order the transmission assembly.
18-062-21 REV. A2021-12-13. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM 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:P032F - Combustion Engine Producing Insufficient Torque.
21-027-21 REV. A2021-12-13. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM:SOFTWARE. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM 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:P032F - Combustion Engine Producing Insufficient Torque. Customers may also experience a shift quality issue during a 5-4 downshift.
S2119000004 Rev.2021-12-13. Service bulletin. STEERING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; POWER TRAIN. Service Electric Steering Message, Loss Of Power Steering Assist For The Current Key Cycle, Vehicle Sets DTC C2217-00 ELECTRIC POWER STEERING MODULE INTERNAL
S21210000182021-12-13. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AXLE ASSEMBLY. Service 4WD Message. Diagnostic Trouble Code (DTC) C1465-12 ? Front Axle Disconnect Control Circuit High-Circuit Short To Battery, Set.
739662021-05-24. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Warranty Bulletin D-21-06 Fast Feedback Program - Transfer Case, Prop Shaft and Front & Rear Axle Components - 2021 Jeep Grand Cherokee (WL)
S2008000113 Rev.2021-05-24. Service bulletin. POWER TRAIN. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
S21080000902021-05-24. Service bulletin. POWER TRAIN. Passenger Power Seat Does Operate Forward Or Rearward
21-011-212021-04-26. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event. Do not use this software update if vehicle odometer has over 64 km (40 miles).
18-027-212021-04-26. Service bulletin. POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may notice the following condition:The oil change interval is too short. The oil change message shows up at around 12,000 km / 7,456 mi or earlier and the normal oil change interval is 12 months or 20,000 km / 12,427 mi.

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