Uconnect Software Update 18.45.01 Download New!
Without this update, the internal timing mechanism of older RA3 and RA4 radio head units fails, leading to several system errors:
The primary reason for this update is to resolve GPS rollover issues. Without it, older systems lose tracking capabilities, corrupting navigation data and causing the clock to drift.
: Use a blank 4GB or larger flash drive. Format it to FAT32 .
from your computer.
| | Detail | |----------------|-------------| | Battery voltage | Must be ≥12.5V (engine running recommended for USB method) | | Ignition state | RUN (not ACC) – update takes 15–30 minutes | | USB format | FAT32, MBR partition scheme (no exFAT/NTFS) | | File structure | The extracted folder must contain swdl.iso or Uconnect_Update_File at root level | | Do not interrupt | No radio power-off, no USB removal, no engine start/stop during update |
Would you like help identifying your Uconnect generation or finding the correct USB port location for your specific vehicle model?
Restores accurate location tracking and turn-by-turn navigation. uconnect software update 18.45.01 download
Access the engineering menu using the physical button combinations for your specific vehicle. On most models, press and hold the , Temperature Down , and Front Defrost buttons simultaneously for about 5 seconds.
The system begins the update, reboots, asks for the USB stick again, then repeats the cycle endlessly.
Note: Some users have found alternative download links through FCA service bulletins, but it is highly recommended to use the official tool to ensure compatibility. Installation Steps: Uconnect 18.45.01 USB Update Without this update, the internal timing mechanism of
This specific firmware version (18.45.01) is the highest available level for many older RA3 and RA4 (Uconnect 8.4) systems. Installing it addresses several vital system functions:
Enhances overall system performance, reducing lag and potential reboots.
Resolves performance lags and improves responsiveness in the 8.4-inch touchscreen units. Format it to FAT32
: If available for download, you will need a clean USB drive (often recommended to be 4GB to 32GB, non-SanDisk brands sometimes work better for these older systems).