Technical Service Bulletin (TSB)
Radio T25.48 or T25.47 USB Software Update
REFERENCE:

VEHICLES
AFFECTED:

TSB: 08-052-23 REV. A
GROUP: 08 - Electrical

Date:

September 30, 2023

**2022** - 2023 (DT) RAM 1500 Pickup
**2022 (DJ) RAM 2500 Pickup
2022 (DD) RAM 3500 Cab Chassis
2022 (D2) RAM 3500 Pickup
2022 (DP) RAM 4500/5500 Cab Chassis
2022 (DF) RAM >> This bulletin has been completed. Use inspection LOP (18-60-03-A9) to close the
active RSU.
• NO >>> Proceed to Step 3.
3. Has a 4GB USB flash drive been created?
• YES >>> Proceed to Step 11.
• NO >>> Proceed to Step 4.
4. Go to DealerCONNECT>Service>Uconnect Command Center>Uconnect>More Information>Dealer
software downloads to download the files.
5. Use a blank USB flash drive with at least 4GB of space. Follow the on-screen instructions to
download the software files. When downloading the software file, always select the MAC version,
regardless of the computer being used.

08-052-23 REV. A

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6. Download the software update file to your local PC’s desktop. Make sure to select the “MAC” radial
button for all downloads Fig. 1.

Fig. 1
MAC Download Steps
7. Download the radio SW from DealerConnect to a blank USB flash drive. The USB flash drive should
be at least 4GB and formatted to FAT32.
8. Do not unzip the folder/file and move all contents to the root directory of the USB.
9. There should only be one file on the USB root directory labeled as a zip folder.
10. Once the USB flash drive have been created, it is recommended to label the USB flash drive with
the bulletin number and proper radio Sales Codes.
11. Start the vehicle and insert the correct USB flash drive with new software into the USB port.
CAUTION: Make sure no other device is plugged into any of the USB ports while performing this
re-program. If other devices are connected to USB ports during re-programming, it may
cause failure of files to be loaded which may cause the radio to need replacement.

12. Once the system has verified there is an available update, press the “Update Now” button. Make
sure the vehicle is in park. Do NOT turn the ignition off until the two minute timer has expired. The
ignition doesn’t have to be turned off to update the radio’s software Fig. 2.

Fig. 2
Software Update Is Available

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08-052-23 REV. A

13. Press the “Continue” on the display screen Fig. 3.

Fig. 3
Continue Display Screen
14. The radio will reboot and the update will begin. The update should only take 30 minutes Fig. 4. Do
NOT turn off the vehicle when the software update is completed and directed to remove the USB
flash drive.

Fig. 4
Software Update Completed
15. Do Not turn off the ignition at this point. The update is still in process, wait until the radio restarts
and the home screen is displayed. This should take around five minutes
16. Sometimes the radio will display an error pop up “ SWITCH - INVALID_BINARY“ after successful
radio update. Please ignore this error message and press “OK” to continue Fig. 5.

Fig. 5
Error Message

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17. Press “OK” to continue Fig. 6.

Fig. 6
Radio Software Has Been Updated
18. Check if the radio software has been updated. Go to “Vehicle Settings” then select “ System
Information” and look for “Radio Version”.
19. Was the radio updated to?
• T25.47 - UPL or UPQ.
• T25.48 - UBL, UEL, UFL, UBQ, UEQ or UFQ.
• YES>>> Proceed to Step 20.
• NO>>> Perform the update one more time. Proceed to Step 12.
20. Perform a Factory Reset. This can be found in the radio under Vehicle Setting > Reset >Perform
Factory Reset.
21. Once the reset is completed turn off the ignition open and closed the drivers door and let all
modules go to sleep. Make sure the scan tool is not connected at this point.
22. After all the modules have been a sleep mode for five minutes, turn the ignition back on.
23. Before clearing all DTCs, cycle the ignition Off and back to “Run” quickly (within two seconds).
24. Using wiTECH, clear all DTCs that may have been set in any module due to reprogramming.
POLICY:
Reimbursable within the provisions of the warranty.
This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication
may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical,
photocopying, or otherwise, without written permission of FCA US LLC.