2021 Jeep GRAND CHEROKEE Manufacturer communications & TSBs.Page 11
Original record summaries, dates and identifiers for this model-year. Records 1,001–1,100 of 1,320, ordered newest first. Dated records on this page: May 25, 2021–Jul 6, 2021.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Jul 6, 2021Service Bulletin/Repair Instructions
S2123000052a
NHTSA communication ID: 10230179
NHTSA source summary · Original PDF not reviewed by Recallfolio
Wind Or Whistle Noise From Exterior Side Mirror At Highway Speeds. Noise can be heard with front windows down between 30 and 60 MPH from both LH and RH exterior rear view mirrors.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Wind Or Whistle Noise From Exterior Side Mirror At Highway Speeds. Noise can be heard with front windows down between 30 and 60 MPH from both LH and RH exterior rear view mirrors.
Source components: BACK OVER PREVENTION · ELECTRICAL SYSTEM · VISIBILITY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
UBR UER and UFR Radio Enhancements This bulletin involves updating the radio software level to 34.00.49. Customers may experience one or more of the following: Unable to connect vehicle Wi-Fi hot spot. SXM radio does not retain the same channel after the vehicle has been shut off.
Source components: ELECTRICAL SYSTEM · EQUIPMENT · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
UBR UER and UFR Radio Enhancements This bulletin involves updating the radio software level to 34.00.49. Customers may experience one or more of the following: Unable to connect vehicle Wi-Fi hot spot. SXM radio does not retain the same channel after the vehicle has been shut off.
Source components: ELECTRICAL SYSTEM · EQUIPMENT · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated to R17.83. Customers may experience one or more of the following: Ticking noise coming from audio. Rear temperature bar on rear climate page disappears. Apple Carplay® not connecting to iPhone®. App crashes. Temperature and slider bars missing on comfort screen. Selectable tire fill assist does not reflect unit change if unit is changed in settings
Source components: ELECTRICAL SYSTEM · EQUIPMENT · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated to R17.83. Customers may experience one or more of the following: Ticking noise coming from audio. Rear temperature bar on rear climate page disappears. Apple Carplay® not connecting to iPhone®. App crashes. Temperature and slider bars missing on comfort screen. Selectable tire fill assist does not reflect unit change if unit is changed in settings
Source components: ELECTRICAL SYSTEM · EQUIPMENT · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
CLUSTER, Instrument Panel 1. MY2021 WL IPC has a stored fault for HUD (IPC setting LOC with HUD U0158 and LVDS Cable with HUD B156D ). This DTC goes to STORED when the vehicle goes from Logistics to customer mode. The only action to be performed in this instance is to clear the fault - there is no problem with the vehicle. Please do not replace the cluster or the HUD. 2. Cluster Map Display Becomes Frozen At Times When Using Navigation (all the other screens in the cluster are functional. Customer can navigate to other screens in this condition). The owner complains that the navigation map display does not update on the cluster; screen is frozen. Technician may or may not be able to duplicate the condition. The vehicle is not setting any DTC?s for the issue. If the map display is frozen on the cluster, cycling the ignition will reset the cluster to allow proper operation. Do not replace any parts at this time, available parts in service will have the same condition. Engineering is currently researching the issue and will notify the field when updates become available.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
CLUSTER, Instrument Panel 1. MY2021 WL IPC has a stored fault for HUD IPC setting LOC with HUD U0158 and LVDS Cable with HUD B156D . This DTC goes to STORED when the vehicle goes from Logistics to customer mode. The only action to be performed in this instance is to clear the fault - there is no problem with the vehicle. Please do not replace the cluster or the HUD. 2. Cluster Map Display Becomes Frozen At Times When Using Navigation all the other screens in the cluster are functional. Customer can navigate to other screens in this condition. The owner complains that the navigation map display does not update on the cluster; screen is frozen. Technician may or may not be able to duplicate the condition. The vehicle is not setting any DTC?s for the issue. If the map display is frozen on the cluster, cycling the ignition will reset the cluster to allow proper operation. Do not replace any parts at this time, available parts in service will have the same condition. Engineering is currently researching the issue and will notify the field when updates become available.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. 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
NHTSA source summary · Original PDF not reviewed by Recallfolio
Warranty Bulletin D-20-13 STAR Center Uconnect 5 (R1) Radio Pre-Authorization Program - Select Radios (New and Exchange) - 2021 Dodge Durango (WD), 2021 Chrysler Pacifica (RU), 2021 Jeep Grand Cherokee (WL) and 2022 Wagoneer and Grand Wagoneer (WS) (Rev. B)
NHTSA source summary · Original PDF not reviewed by Recallfolio
Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following: Ghost Touch, features, modes and App?s changing without drivers input. 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
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
Source components: ELECTRICAL SYSTEM · POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM).
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
Source components: ELECTRICAL SYSTEM · POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM).
NHTSA source summary · Original PDF not reviewed by Recallfolio
6.2L Engine Oil Temperature Sensor Leak This bulletin involves re-torquing the oil temperature sensor to specification. Customers may notice a slight oil leak from under the vehicle near the oil temperature sensor location
NHTSA source summary · Original PDF not reviewed by Recallfolio
6.2L Engine Oil Temperature Sensor Leak This bulletin involves re-torquing the oil temperature sensor to specification. Customers may notice a slight oil leak from under the vehicle near the oil temperature sensor location
NHTSA source summary · Original PDF not reviewed by Recallfolio
6.2L Engine Oil Temperature Sensor Leak This bulletin involves re-torquing the oil temperature sensor to specification. Customers may notice a slight oil leak from under the vehicle near the oil temperature sensor location
NHTSA source summary · Original PDF not reviewed by Recallfolio
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.
Source components: BACK OVER PREVENTION:SOFTWARE · EQUIPMENT:ELECTRICAL.