
: Press the Phone button on your steering wheel.
Uconnect software version 18.45.01 represents a critical maintenance milestone for the 8.4-inch (RA3/RA4) infotainment systems found in 2013–2017 Fiat Chrysler Automobiles (FCA) vehicles. While newer iterations like Uconnect 5 have since taken the spotlight, this specific update remains the highest firmware level achievable for many older Chrysler, Dodge, Jeep, and RAM models. Purpose and Vital Fixes
| Brand | Models (Model Years) | | :--- | :--- | | | 1500 Pickup (2013-17), 2500/3500 Pickup (2013-17), 3500 Cab Chassis (2013-17), 4500/5500 Cab Chassis (2013-17) | | Jeep | Cherokee (2013-17), Grand Cherokee (2014-17), Renegade (2015-17) | | Dodge | Charger (2015-16), Challenger (2015-16), Durango (2014-17), Viper (2013-17) | | Chrysler | 200 (2015-17), 300 (2015-16), Pacifica (2017) |
The system will reboot and display a progress bar. The process typically takes 20 to 35 minutes. Uconnect Software Version 18.45.01
A blank formatted to FAT32 or NTFS (exFAT is often unsupported). A stable internet connection on a computer.
It updates the internal Bluetooth drivers. This prevents audio stuttering and fixes the "Device Not Supported" error when plugging in newer smartphones. 4. Climate Control Responsiveness
Always verify your VIN on the official Uconnect portal to ensure you are downloading the exact, intended software for your specific build. : Press the Phone button on your steering wheel
: If you experience "update do-loops" or failures, a certified dealership can perform the update for you. Important Note for Older Versions
Installing Uconnect firmware is a straightforward but meticulous process. —a power failure or USB removal can corrupt the system.
Beyond the critical GPS fix, owners reported several noticeable improvements after the update: Purpose and Vital Fixes | Brand | Models
Start the vehicle's engine and let the Uconnect system fully boot up.
This version resolves minor Bluetooth connection drops, improves touch responsiveness, and addresses system freezing that plagued earlier factory software releases. Verifying Your Current Uconnect Version
The 18.45.01 update stands as a landmark software release in the Uconnect ecosystem—unlike minor bug-fix updates, it was a designed to prevent a fundamental system failure. Without it, thousands of vehicles would have faced disabled GPS navigation , inaccurate clocks , and broken connected services after November 2019. For many owners, successfully updating to 18.45.01 remains the difference between a fully functional infotainment system and one that's essentially broken.
The system should automatically detect the file and prompt you to update.
For 2022+ vehicles or those with Uconnect 5, you will likely see version 23.xx or higher. However, for the pre-2021 Uconnect 4C systems, 18.45.01 is often the final "gold master" stable version before hardware support ended.