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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
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)
S21080001772023-01-17. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. The Odometer Is Flashing / Blinking
S21020000032023-01-17. Service bulletin. ELECTRICAL SYSTEM. ASCM DTC U0300 Internal Control Module Incompatibility
S21080001752023-01-17. 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
S2108000164a2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Cannot Remove Vehicle From Shipping Mode, Using The New MDP Micro Pod May Take Multiple Attempts To Remove The Vehicle From Shipping Mode
S21080001642023-01-17. Service bulletin. ELECTRICAL SYSTEM. Cannot Remove Vehicle From Shipping Mode, Using The New MDP It Takes Multiple Attempts To Remove
S21080001632023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S21230000532023-01-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument Panel Dash Pad Cleaning Procedure
90043942023-01-17. 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.
S21080001292023-01-17. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ELECTRICAL SYSTEM. The Ignition State Does Not Change When The Start/Stop Button Is Pressed
S21050000032023-01-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SERVICE BRAKES, HYDRAULIC. C1009 Brake Fluid Low DTC Red Brake Light On
S20080000112023-01-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Customer Cannot Change Cluster Display Unit Settings, Turn By Turn Distance Does Not Match The Radios Distance
S21080001092023-01-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Remote Key Fobs Only Work In Close Range
S2203000004 Rev.2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Service 4wd Light/Message Illuminated. Diagnostic Trouble Codes (DTCs) C149D-54 ? Clutch Calibration Not Learned ? Missing Calibrations, And/Or C149D-55 ? Clutch Calibration Not Learned ? Not Configured, Set After Drivetrain Control Module (DTCM) Reprogramming.
S22080001972023-01-17. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Cluster Message ?Service Air Suspension?
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.
S228A000005 Rev.2023-01-17. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short Diagnostic Trouble Codes (DTCs)
08161222023-01-09. Service bulletin. ELECTRICAL SYSTEM; SEATS; VEHICLE SPEED CONTROL; EXTERIOR LIGHTING. Flash: Memory Seat Module (MSM) Updates This bulletin involves reprogramming the MSM 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). B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may experience the following:Memory seat do not save on profiles 1 or 2. Easy entry/exit functionality is inoperative. Drivers massage seats do not recall lumbar and bolster position when profile selected on radio (Recall from door switches and keyfob work as expected).
S22230000642023-01-09. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. Park Assist Warning Displayed On Cluster After Recent Service Repair.
S22230000572023-01-09. Service bulletin. BACK OVER PREVENTION; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Calibrating Central Vision Processing Module (CVPM) Front Camera After Replacement
91000082023-01-09. Service bulletin. ELECTRICAL SYSTEM. Telematic box module 2 For customer concern of Uconnect box error popup on the screen every time the vehicle is turned on. A missing security certificate or after a new TBM installed, or any active DTC set by TBM will trigger this popup. Please refer to STAR Online S2108000015 for more information. If you continually see this popup message, also see an active B22A9-93 DTC, please use wiTECH tool to check TBM2 module and record the failure information as shown on STAR Online S228A000003. Before replacing the TBM module, please check connections behind the TBM, the antenna and harness for improper connection and damage. Please call FCA Redacted Content
08043222023-01-09. Service bulletin. ELECTRICAL SYSTEM. This bulletin involves reprogramming the HVAC module with the latest available software.
08069222023-01-09. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Smart Lighting Module Left (SLML) and Smart Lighting Module Right (SLMR) Updates This bulletin involves reprogramming the SLML and SLMR with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: B2834-00 - Right Headlamp Assembly Performance. B2835-00 - Left Headlamp Assembly Performance. Customers may experience one or more of the following: Headlamps go into a fail safe mode with low beam at reduced intensity with position and side marker lights on. ?Service Headlamp? message appears in the information cluster. Headlamps only function on low beam, park lamp and side marker lamps.
18061222023-01-09. Service bulletin. SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Incorrectly Assembled Purge Flow Tube Inside Tube Elbow This bulletin involves inspecting and if needed reposition the purge tube inside the tube elbow. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes (DTCs). P0441 - EVAP Purge System Performance. P0452 - EVAP Pressure Switch ?A? Stuck Closed.
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).

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