NHTSA Service Bulletin 10221343: 2019, 2020 Chrysler Grand Cherokee
Official manufacturer communication context for 2019, 2020 Chrysler Grand Cherokee, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
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.
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 10221343?
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.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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