Unplug all other USB drives, phone chargers, and SD cards from the media hubs.
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The update primarily applies to specific models equipped with the 8.4-inch display (RA3/RA4): Jeep: Cherokee (KL), Renegade (BU), Grand Cherokee Chrysler: Pacifica (RU), 200 (UF) RAM: 1500, 2500, 3500 (2013-2017 models) Dodge: Charger, Challenger, Durango Uconnect Software Version 18.45.01
: Specifically addresses the April 2019 GPS week rollover to ensure accurate navigation and system time. System Stability
The Uconnect infotainment system is the digital heart of modern FCA (now Stellantis) vehicles, including Jeep, Ram, Dodge, and Chrysler. To keep these systems running smoothly, regular firmware updates are essential. Among the most critical releases for fourth-generation Uconnect systems (specifically the Uconnect 4C and 4C NAV with the 8.4-inch touchscreen) is . Unplug all other USB drives, phone chargers, and
If your vehicle has an active Uconnect Access subscription (or SiriusXM Guardian), the update may have been pushed automatically. Check your "System Information" screen—if the version is already 18.45.01, OTA succeeded. However, note that OTA updates for 2017-2018 models are rare, and most users must use Method 2.
: Enter your VIN on the Uconnect Update page to confirm version 18.45.01 is the correct match for your vehicle. If you share with third parties, their policies apply
While 18.45.01 is historically the most stable version for the RA3 and RA4 systems in models like the 2014-2016 Jeep Grand Cherokee, 2015-2017 Ram 1500, and Dodge Durango, you should always double-check compatibility. Downloading an incompatible firmware version onto your head unit can result in a bricked screen or disabled features (such as heated seat soft-buttons).
For Wrangler and Gladiator owners, this update ensures the Off-Road Pages (inclinometer, drivetrain status) load immediately rather than showing a spinning "Loading" icon.
: Optimized interface responsiveness and bug fixes for navigation and apps. How to Update
: The primary purpose of this update was to address a GPS week rollover bug that occurred on November 3, 2019. Without it, vehicle navigation and the system clock can become highly inaccurate.