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Service bulletin 0810521

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10212492
Published by NHTSA2022-05-31
Manufacturer's number0810521
Manufacturer's date2021-06-23
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

UAV and UCV Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.5. Customers may experience one or more of the following: Lost radio presets. High pitch squeal, pop or humming sound coming from all of the speakers. SXM favorite song list empty. Radio display screen is black when the ignition is on. Radio may reset/reboots, turn itself off and then back on again. Radios resets when a Bluetooth paired phone receives two text messages one after another simultaneously after approximately seven seconds. ABD sales code. Incorrect navigation address/location/directions. Navigation stuck on loading screen or not appearing at all. Lost navigation settings. Speaker crackling noise on non amplified vehicles UAV Only. Active call not transferred to vehicle Bluetooth® UAV Only. Voice Recognition VR not understanding commands to switch sources UAV Only. Bluetooth phonebook not available UAV Only. "Setting" button removed after ignition cycle UAV Only. Coolant temperature value incorrect UAV Only. Speaker crackling noise. In addition the following enhancements are included:Bluetooth improvements. VR improvements. Improve Navigation zoom and scrolling feature on map.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories

Vehicles listed
JEEP GRAND CHEROKEE2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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