Uconnect Software Version 18.45.01 is a critical firmware update for vehicles equipped with the 8.4-inch (RA3/VP3 or RA4/VP4) infotainment systems. Released primarily to address navigation and system stability issues, this version is often the final or highest firmware level available for many 2013–2017 model year vehicles. Key Improvements and Fixes
The most significant purpose of the 18.45.01 update was to resolve the GPS rollover issue that occurred in late 2019. Without this update, many systems experienced:
Inaccurate Navigation: The vehicle location would no longer follow streets on the map.
Clock De-sync: The system clock and date would become inaccurate due to failed GPS time synchronization.
System Performance: Enhancements include improved Bluetooth pairing, faster tuner performance, and better voice recognition.
Feature Additions: Some users gained access to Siri Eyes Free and a "Do Not Disturb" text reply button. Compatible Vehicles
This update specifically targets U.S. market vehicles with the 8.4-inch touchscreen (Sales Codes RA3 or RA4). Key models include:
Jeep: Cherokee (2013–2017), Grand Cherokee (2014–2017), Renegade (2015–2017). Ram: 1500/2500/3500 Pickups and Cab Chassis (2013–2017).
Chrysler: 200 (2015–2017), 300 (2015–2016), Pacifica (2017).
Dodge: Durango (2014–2017), Viper (2013–2017), Challenger/Charger (2015–2016). Installation Methods
Users can typically verify eligibility by entering their 17-digit VIN on the Official Uconnect Software Update Center. Latest Uconnect Software? | 2014+ Jeep Cherokee Forums
software version is a critical update for 2013–2017 model year vehicles
equipped with the 8.4-inch UH (A or AI) radio systems. This specific version was released to address a "GPS week rollover" issue that occurred in late 2019, which would otherwise cause the system to display an incorrect date or time and result in inaccurate navigation. Key Features and Fixes GPS Rollover Fix
: Prevents incorrect date and time displays caused by the 2019 GPS rollover. Navigation Accuracy
: Resolves issues where the vehicle might show the wrong direction or an incorrect location on the map. System Stability
: Provides general performance enhancements and application stability for the radio and connected apps. Map Update Compatibility Uconnect Software Version 18.45.01
: This version (or higher) is often required as a prerequisite before installing the latest navigation map updates. Installation Guide
While some vehicles received this as a Flash Over-The-Air (FOTA) update, many owners must perform a manual installation via USB. Verify Your VIN
: Enter your 17-digit Vehicle Identification Number (VIN) at the Uconnect Software Update Center to check for available updates. Prepare the USB Drive FAT32 formatted
thumb drive. Download the update to your computer, unzip it, and copy the individual files (usually six) directly to the root of the USB drive—do not leave them inside a folder. Perform the Update
Insert the USB into the vehicle's port with the ignition in the "Run" position.
The system will validate the files and prompt for installation. The process typically takes 20 to 30 minutes
. It is recommended to keep the engine idling or use a battery charger to prevent the system from powering off during the process. Known Issues and Risks Latest Uconnect Software? | 2014+ Jeep Cherokee Forums
Software Version 18.45.01 a critical update primarily for 2013–2017 Chrysler, Dodge, Jeep, and RAM vehicles equipped with 8.4-inch UH (A or AN) radios
. Its most essential function is resolving a GPS rollover issue that, if left unaddressed, can cause incorrect vehicle dates and GPS malfunctions. Key Improvements & Compatibility GPS Rollover Fix
: Specifically addresses the April 2019 GPS week rollover to ensure accurate navigation and system time. System Stability
: General performance enhancements for apps, radio functions, and navigation. Compatible Vehicles
: Broadly applies to 2013–2017 models, including the RAM 1500 (2014–2018), Jeep Grand Cherokee, and Dodge Durango. How to Install the Update
While some updates were delivered "Over-The-Air" (OTA), many users must perform a manual install via USB. Verify Eligibility : Visit the Official Uconnect Software Update Center and enter your 17-digit to see if version 18.45.01 is available for your vehicle. Prepare the USB Drive Use a clean USB flash drive with at least Format the drive to
(though some sources mention NTFS, FAT32 is standard for older Uconnect 8.4 systems).
: Extract the downloaded ZIP file directly to the USB root. Do not keep them inside a folder, or the radio will not recognize them. Perform the Update Ensure your vehicle has at least a 1/4 tank of fuel and is in a well-ventilated area. Uconnect Software Version 18
Start the engine (Run mode) to prevent the system from timing out.
Insert the USB into the vehicle's media hub. The system should automatically validate the files (takes ~2 minutes) and prompt you to begin. The entire process takes approximately 20–30 minutes Do not drive or turn off the vehicle during this time. Important Precautions
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.
Many users reported that older versions (specifically 18.33.x) would cause the screen to go black and continuously reboot. 18.45.01 patches the memory leak that triggered this.
One common question: “Should I stay on 18.45.01 or upgrade to a newer version like 20.xx?”
| Version | Release Year | Key Improvements Over 18.45.01 | Drawbacks | | :--- | :--- | :--- | :--- | | 18.45.01 | 2019 | Stability, Bluetooth fix | No OTA, no wireless CarPlay | | 19.9.xx | 2020 | Off-road pages improvements (Jeep) | Some users report slower boot | | 20.xx.xx | 2021 | Alexa Built-in integration | Can introduce new Bluetooth bugs | | 21.xx.xx | 2022+ | Security patches, minor UI tweaks | Requires dealer install for older units |
Our Recommendation: If your vehicle is not eligible for 20.x or higher (due to hardware limitations), 18.45.01 is the most reliable endpoint for 2017–2018 model years. Many owners on forums have deliberately stayed on 18.45.01 after hearing complaints about sluggish performance in later builds.
Cheap or frayed USB cables are a leading cause of smartphone projection failures. An Apple-certified or USB-IF certified cable ensures stable data transfer.
While CarPlay and Android Auto existed in earlier versions, they often crashed when switching apps or receiving calls. 18.45.01 significantly reduces these crashes:
Uconnect Software Version 18.45.01 is a critical maintenance release for owners of 2017-2019 Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 8.4-inch screen. While it doesn’t add flashy new graphics or apps, it solves the annoying, everyday problems that plague infotainment systems: phone disconnects, backup camera lag, and frozen screens.
If you are currently struggling with an unstable radio, checking for this version is your first step toward a hassle-free driving experience. Just remember to use a properly formatted USB drive, keep your engine running, and be patient through the 20-minute installation process.
Disclaimer: This article is for informational purposes only. Always consult your vehicle’s owner manual or an authorized dealer before performing a software update. The author is not responsible for any damage to your vehicle’s infotainment system resulting from manual updates.
Uconnect Software Version 18.45.01 is a critical firmware update for Chrysler, Dodge, Jeep, and RAM vehicles equipped with the Uconnect 3C 8.4-inch (RA3/RA4) infotainment systems. Released primarily to address a GPS "rollover" event that occurred in late 2019, this update ensures that navigation, clock accuracy, and connected services continue to function correctly. Key Fixes and Features
GPS Rollover Correction: The primary purpose of this version was to fix an issue where GPS data (date, time, and location) would become inaccurate after November 2019.
Navigation & Clock Accuracy: Resolves "drifting" issues where the vehicle's position on the map would not match actual streets and keeps the system clock synchronized. this update ensures that navigation
System Stability: Includes general performance improvements for Bluetooth pairing, media device connectivity, and voice recognition.
Siri Eyes Free: Some users report enhanced Siri Eyes Free capability for iPhone users following this update cycle. Compatible Vehicles
This update applies to a wide range of Mopar vehicles manufactured between 2013 and 2017. Common models include:
Jeep: Cherokee (2013–2017), Grand Cherokee (2014–2017), Renegade (2015–2017). RAM: 1500, 2500, and 3500 Pickups (2013–2017).
Dodge: Challenger (2015–2016), Charger (2015–2016), Durango (2014–2017), Viper (2013–2017).
Chrysler: 200 (2015–2017), 300 (2015–2016), Pacifica (2017). How to Install the Update
You can verify and install the update yourself using the Official Uconnect Software Update Center.
Check for Availability: Enter your 17-digit VIN on the Uconnect website to see if 18.45.01 is available for your specific vehicle.
Prepare a USB Drive: Use a clean, high-quality USB flash drive (at least 4GB) formatted to FAT32.
Download and Extract: Download the update files to your computer and extract them directly onto the root directory of the USB drive. Install in Vehicle:
Start your vehicle or connect it to a battery charger to prevent the system from shutting down.
Insert the USB into the vehicle's media port (not a charging-only port).
The screen should prompt you to start the update. Select Yes.
The process typically takes 20–45 minutes. Do not turn off the engine or remove the USB until the system fully restarts and confirms completion. Known Issues & Tips Facebook·Jeep Grand Cherokeehttps://www.facebook.com Urgently seeking Uconnect firmware version 18.45.01-vp4-row
Try a hard reset (hold volume + tune knobs). If that fails, disconnect the negative battery terminal for 10 minutes, then reconnect. If still black, the update failed catastrophically—contact your dealership’s service department.