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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
764292023-01-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 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)
S2108000181a2023-01-17. Service bulletin. POWER TRAIN:AXLE HUBS. Media Hub And Or Wireless Charging Pad Is Inoperative
S21230000582023-01-17. Service bulletin. SEATS; POWER TRAIN. 3rd Row Power Folding Seats Do Not Fold Or Operate
S21080001742023-01-17. Service bulletin. POWER TRAIN. Power Folding Mirrors Not Folding, Power Seat Switch, Power Window Auto Up Feature Inoperative
S21180000102023-01-17. Service bulletin. POWER TRAIN. Customer complaint may include engine stalled/Mil lamp on. Upon further investigation, if DTC P032F is stored in the PCM, a stall has occurred. If P032F DTC is not present but the customer complained of a ?Shift to Park? message in the EVIC, an issue may exist even if the engine did not stall.
08088212023-01-17. Service bulletin. POWER TRAIN. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following:Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
S22030000052023-01-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Service Four Wheel Drive (4wd) Message Illuminated. Diagnostic Trouble Code (DTC) C1403-29 ? Transfer Case Range Position Sensor Signal Invalid, Set.
S22210000032023-01-09. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S22190000032023-01-09. Service bulletin. STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM; BACK OVER PREVENTION; STEERING:STEERING WHEEL /HANDLE BAR:YAW/ANGLE SENSOR; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; POWER TRAIN. Calibrating Steering Angle Sensor (SAS) After Electric Power Steering (EPS) Replacement
18052222023-01-09. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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).
90044992023-01-09. Service bulletin. STRUCTURE; POWER TRAIN. VALVE BODY & CONTROL UNIT, Transmission This valve body is currently unavailable from Mopar. Order the transmission assembly.
08101222022-12-19. Service bulletin. STEERING; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Electric Power Steering (EPS) Updates This bulletin involves reprogramming the EPS with the latest available software. Customers may experience the following after exiting flat tow mode: The vehicle will not have EPS assist. After exiting Flat Tow Mode by switching the transfer case out of neutral, but not perform an ignition cycle, the vehicle will have no power steering assist. Power steering will come back after an ignition cycle.
21031222022-12-12. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). Transfer Case Replacement This bulletin involves replacing the transfer case assembly for Diagnostic Trouble Code (DTC) C14A1-74. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find the following DTC has been set: C14A1-74 - Unintended Actuator Shaft Movement Detected-Actuator Slipping.
S22190000052022-12-12. Service bulletin. POWER TRAIN; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; STEERING. Dielectric Grease In Electric Power Steering (EPS) Connectors.
S22230000742022-12-12. Service bulletin. POWER TRAIN; VISIBILITY. Exterior Power Fold Mirror Does Not Travel To Full Extend or Fold Positions.
S22080001662022-11-07. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; VISIBILITY; STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. No Start, Flashing Odometer, Power Windows Do Not Respond, Power Liftgate and Memory Seat Controls Inoperative, Rear Cabin HVAC Controls Inoperative
91000822022-11-07. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; WHEELS; EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. STARTER, Engine Prior to starter removal: 1. Inspect and check all connections to the starter motor solenoid a. Unplug and plug-in the T50 1-way connector as needed to verify the connection is good & tight and check for any bent pin in the connection. b. Inspect the T30 connection (i.e. B+ M8 threaded stud & nut) for tightness to assure cable ring terminal connection is secured and tight (use torque spec per service manual). 2. Check/verify all grounds in the cranking circuit a. Check tightness of mounting bolts that secure starter to the engine block b. Check main ground from engine to chassis c. Check battery ground cable connections are clean and tight d.Potentially, loosen both starter motor bolts, without removing, and re-tighten to torque specifications in the service manual e. After all steps above are complete, attempt to crank the engine to verify if improvement has been made (i.e. the steps fixed the customer complaint) 3. Conduct the voltage drop test (starter feed circuit) per the service manual before removing the starter motor 4. Starter Removal: conduct the removal if above steps do not fix the complaint a. Conduct bench test by applying 12 volts to motor T30 and T50 connections (i.e. conduct simple free speed test) b. Free speed test should result in starter motor pinion travel to pinion stop and rotation with normal rotational noise (i.e. no grinding, scrapping, etc.) c. If any abnormal noise is present, replace the starter motor 5. During starter removal, also remove and replace the two starter mounting bolts. Return the bolts with starter motor for analysis at QEC and the supplier warranty analysis lab.
91000832022-11-07. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). Transfer Case Do not replace Transfer Case if unable to complete a DTCM flash or calibration process unless SOL Publication S2203000004 has been performed.
18052222022-10-17. Service bulletin. 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).
S21210000142022-10-17. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. Service 4WD Message Illuminated. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation.
S22080000732022-10-17. Service bulletin. POWER TRAIN. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
90045072022-10-17. 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.
90044992022-10-17. Service bulletin. POWER TRAIN; STRUCTURE. VALVE BODY & CONTROL UNIT, Transmission This valve body is currently unavailable from Mopar. Order the transmission assembly.
S22080000232022-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Passenger Power Seat Inoperative, Fuse 28 Open
S22080000212022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN. Camera Image Options Surround View System Cannot Be Selected From The Radio Touch Screen, DTC B1496 LOST LOW VOLTAGE DIFFERENTIAL SIGNAL (LVDS) CONNECTION WITH CVPM

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