WenmarOpen by Wenmar Pro

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: Driver assistance are shown. Show all

Bulletins, newest first
S23230000132023-04-17. Service bulletin. BACK OVER PREVENTION; VISIBILITY. Power Folding Mirror Makes Noise When Pivoting.
08-020-232023-02-13. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE; SERVICE BRAKES; BACK OVER PREVENTION. Flash: Radio Frequency Hub Module (RFHM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) have been set: B21DD-84 - System Voltage-Signal Below Allowable Range. B21DD-85 - System Voltage-Signal Above Allowable Range. C151D-00 - Tire Pressure Sensor Location Undetermined. U1517-87 - Body Controller Secret Code-Missing Message. B1A71-01 - Passive Entry Antenna 1-General Electrical Failure. B1A72-01 - Passive Entry Antenna 2-General Electrical Failure. B1A73-01 - Passive Entry Antenna 3-General Electrical Failure. B1A74-01 - Passive Entry Antenna 4-General Electrical Failure. B1A75-01 - Passive Entry Antenna 5-General Electrical Failure. The customer may also experience one or more of the following: ?Fob Left Vehicle? message is displayed on Instrument Panel Cluster (IPC) after a remote start. Vehicle no-starts. This bulletin involves updating the RFHM module with the latest available software
23-010-232023-02-13. Service bulletin. BACK OVER PREVENTION. Interior Rear Facing Camera Bezel is Loose and or Falls Out of Headliner Customers may comment on the following: The interior rear facing camera (FamCam) bezel, is loose and/or falls out of headliner This bulletin involves inspecting the interior rear facing camera bezel for looseness and possibly removing and adjusting the retention clips for better retention.
08-022-232023-02-13. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updating to 40.12 Software Version Mobile Wi-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 39.5 to 40.12.
S2219000005 Rev.2023-02-13. Service bulletin. STEERING; POWER TRAIN; LANE DEPARTURE; ELECTRICAL SYSTEM. Check Engine Lamp On. Warning Messages In The Cluster. U0131 Lost Communication With Power Steering Control Module Set.
S23230000112023-02-13. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; AIR BAGS. Rattle Noise From Driver Side Window Switch With Loud Music Or Driving On Rough Road.
S22080001722023-02-13. Service bulletin. BACK OVER PREVENTION. Camera Display Has a Blue Screen When Using Surround, Front, Rear, or Park Assist Camera View
S22020000082023-01-17. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Service Air Suspension Message In Cluster EVIC. ASCM Inoperative. Low Air Mass DTCs
S21080001852023-01-17. Service bulletin. VEHICLE SPEED CONTROL; LANE DEPARTURE. Passenger Rear Door Ajar Warning Lamp Display Illuminated On Cluster
S21080001822023-01-17. Service bulletin. BACK OVER PREVENTION. Radio Freezing Or Locking Up While Rear View Camera Still Works
S21080001792023-01-17. Service bulletin. LANE DEPARTURE. Cluster Warning Message, Service Traction Control System
S21230000512023-01-17. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE. Front Camera Washer Pump Not Spraying Washer Fluid
08090212023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL; BACK OVER PREVENTION:SOFTWARE. UKG Radio Enhancements This bulletin involves updating the radio software level to 2036.07. Customers may experience one or more of the following:Screen flickering. Carplay audio does not always resume. In addition, the following software enhancements are available:Apple certification enhancements. Google certification enhancements.
S21240000092023-01-17. Service bulletin. BACK OVER PREVENTION. Whistle Noise Heard When Operating AC
S21240000082023-01-17. Service bulletin. BACK OVER PREVENTION. Poor Airflow From 2nd Or 3rd Row Vent Outlets
S21080001282023-01-17. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES. C151D-00 Tire Pressure Sensor Location Undetermined DTC set
S21230000392023-01-17. Service bulletin. STRUCTURE; VEHICLE SPEED CONTROL; BACK OVER PREVENTION. Click Pop Snap Noise From Door Area On Rough Roads Or Body Twist
S21230000322023-01-17. Service bulletin. BACK OVER PREVENTION; VEHICLE SPEED CONTROL. Rattle Buzz Noise From Door Area
09-015-222023-01-17. Service bulletin. SUSPENSION; STRUCTURE; BACK OVER PREVENTION. Engine Vibration Noise When Idling in Gear This bulletin involves possible replacement of the engine mounts. Customer may describe a low frequency vibration noise heard during engine mount actuation while at idle in gear.
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
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
08041222023-01-09. Service bulletin. BACK OVER PREVENTION. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience the following:Active Noise Cancellation (ANC) drone noise at 950 between 1,000 RPM, during a start up.The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance. If B221F-00 is a stored fault update the AMP with appropriate software. If fault is active, follow normal DTC diagnostics.
S22020000032023-01-09. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Low Air Mass C15D9-00 DTC Service Air Suspension Message
S21210000142023-01-09. Service bulletin. ELECTRICAL SYSTEM:ADAS:HILL START ASSIST:CLUTCH SOLENOID. Service 4WD Message Illuminated. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation.

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