Technical Service Bulletin (TSB)
R1H Radio Software USB Update to U33.43
REFERENCE:

TSB: 08-389-25
GROUP: 08 - Electrical

Date:

VEHICLES
AFFECTED:

2023 - 2025 (RU) Chrysler Pacifica / Voyager
This bulletin applies to vehicles equipped with:
● Uconnect 5 w/10.1" Display (Sales Codes UBN).
● Uconnect 5 w/10.1" Display (Sales Codes UEN).
● Uconnect 5 w/10.1" Display (Sales Codes UBG).
● Uconnect 5 w/10.1" Display (Sales Codes UEG).

December 2, 2025

REVISION: —

MARKET APPLICABILITY:
NA

MEA

SA

IAP

EE

CH

NOTE: This bulletin applies to
North America markets.

CUSTOMER
SYMPTOM:

Customers may experience one or more of the following:
● Pressing the left steering wheel control to cycle through the presets, skips through several of the preset
channels and calls other SXM stations not on the preset list.
● After an overnight sleep cycle, preset bar stays blank in the Media tab and media widget.
● Whenever the "Navigation Turn-by-Turn Displayed in Cluster" button is checked, once a different tab is
selected, the previously checked box becomes unchecked.

CAUSE:

Radio software

REPAIR SUMMARY:
This bulletin involves updating the software to U33.43.
CLAIMS DATA:

Labor Operation No:
18-60-F2-CY

18-60-F2-CZ

Failure Code

Labor Description
Create USB Jump Drive
from Uconnect Website
U33.43 s/w (One Time
Only)
(0 - Introduction)
Radio, Check Software
Level and Perform
Software Update U33.43
s/w
(0 - Introduction)
CC

Skill Category
6 - Electrical and Body
Systems

Labor Time
0.3 Hrs.

6 - Electrical and Body
Systems

0.5 Hrs.

Customer Concern

The dealer must use failure code CC with this Technical Service Bulletin.
● If the customer’s concern matches the SYMPTOM identified in the Technical Service Bulletin, failure code
CC is to be used.
● When utilizing this failure code, the 3C’s (customer’s concern, cause and correction) must be provided for
processing Technical Service Bulletin flash/reprogramming conditions.

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DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/
Service Library, verify all related systems are functioning as designed. If Diagnostic Trouble Codes (DTCs) or
symptom conditions, other than the ones listed above are present, record the issues on the repair order and
repair as necessary before proceeding further with this bulletin.
If the customer describes any of the symptoms listed above in the customer symptom section, perform the
Repair Procedure.
SPECIAL TOOLS/EQUIPMENT:

Description
wiTECH or Equivalent

Ref. No.
–

Notes
–

REPAIR PROCEDURE:
NOTE: Install a battery charger to ensure battery voltage does not drop below 13.2 volts. Do not allow
the charging voltage to climb above 13.5 volts during the update process.
NOTE: If this update process is interrupted/aborted, the update should be restarted.
1. Check if the radio software has been updated. Go to “Vehicle Settings” then select "System
Information”and look for “Radio Version”.
2. Was the radio software at or above U33.43?
● YES >>> This bulletin does not apply.
● NO >>> Proceed to Step 3.
3. Has a 4 GB USB flash drive been created?
● YES >>> Proceed to Step 13.
● NO >>> Proceed to Step 4.
4. Perform the following steps to format the USB flash drive Fig. 1.
●
●
●
●

Select “FAT32” format.
Select “Default allocation size” under Allocation Unit Size.
Select “Quick Format” under Format Options.
Click “Start”.

Fig. 1

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Formatting The USB Flash Drive
5. Go to DealerCONNECT>Service>Uconnect Command Center>Uconnect>More Information >Dealer
software downloads to download the files.
NOTE: If the software cannot be downloaded, make sure you have proper security access. If not,
have the Service Manager or Shop Foreman download the software update.
6. Use a blank USB flash drive with at least 4 GB of space. Follow the on-screen instructions to download the
software files.
NOTE: A blank USB flash drive will be needed for each radio update; additional updates cannot be
on the same USB flash drive.
7. Download the software update file to your local PC's desktop. Make sure to select the “MAC” radial button
for all downloads Fig. 2.

Fig. 2
MAC Download Steps
8. Download the radio SW from DealerConnect to a blank USB flash drive. The USB flash drive should be at
least 4 GB and formatted to FAT32.
9. Do not unzip the folder/file and move all the contents to the root directory of the USB.
NOTE: There should only be one file on the USB root directory labeled as a zip folder.
10. Once the file is extracted to the USB flash drive flash drive, it is recommended to label the USB flash drive
with the bulletin number and proper radio Sales Codes.
CAUTION!
Eject the USB flash drive properly from your PC. Failure to eject the USB flash drive properly may
result in an improper file byte size and cause the update to not fully download.
11. Perform the following steps to properly eject the USB flash drive Fig. 3:
a. Right click on the location of the USB flash drive.
b. Click “Eject” to avoid data corruption.
c. Remove the USB flash drive from the PC.

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Fig. 3
Ejecting The USB Flash Drive
NOTE: Verify the vehicle fuel level is at least 1/8 of a tank. If not, add fuel as required.
12. Shut off all remaining accessories for the duration of the update (flashers, climate controls, etc.).
13. Wait for the radio to fully power on and initialize. Ensure all splash, partner logo, animation, disclaimer and
main screens have loaded, before starting the software update.
NOTE: The engine must be running and radio powered on during the update. Failure to do so may
result in the radio not being updated and create connectivity issues. DO NOT remove the
USB flash drive during the update.
14. Start the vehicle and insert the USB flash drive into the USB port.
15. Vehicle must be out of “Ship Mode”. Starting at the radio ‘Home’ screen Fig. 4.

Fig. 4
Home Screen
CAUTION!
Ensure no other device is plugged into any of the USB ports while performing this update. If other
devices are connected to the USB ports during the update, it may cause failure of files to be
loaded. Failure to do so may cause the radio to need replacement.

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16. The radio will prompt you if you want to update to the newest software version Fig. 5.

Fig. 5
Software Update Screen
17. Select “Update Now”.
18. The radio will prompt you if you want to continue updating to the newer software Fig. 6.

Fig. 6
Software Updating Screen
19. Select “Continue” Fig. 7.

Fig. 7
Installing Update Screen

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20. The update will take approximately 15-20 minutes Fig. 8.

Fig. 8
Update In Progress Screen
21. The radio will reboot and you will observe the update screen after the splash screen once the update has
been successful Fig. 9.

Fig. 9
Software Updated Screen
22. Select “What’s new” to confirm the software has been updated to U33.43 Fig. 10.

Fig. 10
What’s New Screen

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23. Remove the USB flash drive from the USB port.
24. Perform a Factory Reset. This can be found in the radio under Vehicle Setting > Reset >Perform Factory
Reset.
25. 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.
26. After all the modules have been a sleep mode for five minutes, turn the ignition back on.
27. Before clearing all DTCs, cycle the ignition Off and back to “Run” quickly (within two seconds).
28. 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.