NUMBER:
GROUP:
DATE:

08-138-21
08 - Electrical
August 20, 2021

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.

SUBJECT:
UAV and UCV Radio Enhancements
OVERVIEW:
This bulletin involves inspecting and if required, updating the radio software level to: 39.6.
CAUTION! The repair procedure must be followed step by step. If the radio is not updated
with the correct software level at the correct time the radio can be damaged. If
the radio was damaged by not following the repair procedure the radio may need
to be replaced.
MODELS:
2019 - 2021

(DT)

RAM 1500 Pickup

2019 - 2021

(DJ)

RAM 2500 Pickup

2019 - 2021

(D2)

RAM 3500 Pickup

2019 - 2021

(DD)

RAM 3500 Cab Chassis

2019 - 2021

(DF)

RAM 3500 >> The radio software is already up to date. Normal diagnostics should be
performed.
• At or above 22.64 and under 39.6 >>> Proceed to Step 1 of the Repair Procedure.
CAUTION! If this software is used on a radio with software level under 22.64, it could
damage the radio. If the radio is damaged it may need to be replaced.
• At or above 21.9 and under 22.64 >>> This bulletin does not pertain to the radio at this time.
Please wait for the FOTA campaign to be complete. Once the FOTA is completed the radio
software can be updated as needed.
REPAIR PROCEDURE:
NOTE: Before and after any single phase of update is MANDATORY to take a Vehicle Scan
Report by wiTECH. Scan reports can be requested during warranty claim
assessment; failing to show them can result in refusing to pay the warranty claim.
1. Using wiTECH create a Vehicle Scan Report and save a copy to the work order.
2. Has a 4GB USB flash drive been created?
• YES >>> Proceed to Step 10.
• NO >>> Proceed to Step 3.

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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.
3. Go to DealerCONNECT>Service>Uconnect Command Center>Uconnect>More Information
>Dealer software downloads to download the files.
4. If a security message appears “Do you want to view only the web page content that was
delivered securely?” (Fig. 2) . Press “No” to continue.

Fig. 2
Pop-Up Security Message

5. Use one blank USB flash drive with at least 4GB of space for each software file. Follow the
on-screen instructions to download the software files.
NOTE: When downloading the software file from the Uconnect site, always select the MAC
version, regardless of the computer being used.
6. Download the software update file to your local PC’s desktop. Make sure to select the “MAC”
radial button for all downloads (Fig. 3) .

Fig. 3
MAC Download Steps

7. Be sure to download the file to your designated folder before extracting the zip file to the blank
USB flash drive.
NOTE: A blank USB flash drive will be needed for each radio update, additional updates
cannot be on the same USB flash drive.

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08-138-21

8. Unzip the file to the root folder of USB flash drive. File should not be within a zip folder. Your
USB file should look like (Fig. 4) when you open it.

Fig. 4
Files/Folders In The USB Flash Drive

9. Once the file is extracted to the USB flash drive, it’s recommended to label the USB flash drive
with the bulletin number and proper software level.
10. Start the vehicle and insert the correct USB flash drive with new software into the USB port.
Make sure if this is a two or there step update always start with the lower (21.7/28.41) software
level first.
CAUTION! Make sure no other device is plugged into any of the USB ports while performing
this update. 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.
11. If the screen in (Fig. 5) is displayed, the USB flash drive was not set up correctly. Use a top
name brand USB flash drive, like Kingston, create a new USB flash drive and start the update
again.

Fig. 5
Software Not Compatible Screen

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12. If the radio software is already up to date, the screen in (Fig. 6) will be displayed. Press “OK”
and remove the USB flash drive.

Fig. 6
Screen Displayed When Radio Software Level Is Up To Date

NOTE: The ignition does not have to be turned off to perform this updated (Fig. 7) .
13. 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 off the ignition (Fig. 7) .

Fig. 7
Software Update Is Available

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08-138-21

NOTE: If the ignition is turned off before the two minutes has expired, the software update
will be canceled (Fig. 8)
14. When the radio starts updating, the screen in (Fig. 8) will be displayed.

Fig. 8
Updating Screen

15. The radio will reboot and the update will begin. The update should only take 25 minutes, the
timer on the screen may display the incorrect time remaining, (Fig. 9) .
NOTE: The completion indicator may not reach 100%, even though the software update has
been completed. Once the software update has finished, the radio and display screen
will turn off.

Fig. 9
Software Update In Progress

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16. After the update has completed, the radio will shut down. With the USB flash drive still inserted
in the USB port, cycle the ignition back to the run position. If the radio software was updated
correctly the “Current Version:” and the “Update To:” software levels in (Fig. 10) will display the
identical software level. Press “OK” and remove the USB flash drive.

Fig. 10
Radio Software Has Been Updated

17. Cycle off the ignition, open and close the driver door and let all modules go into a sleep mode.
18. Check if the navigation is working properly by pressing the ‘Nav’ button on the bottom tool
bar. Verify the navigation map loads properly.
19. If the radio or navigation software didn’t update properly or the navigation map doesn’t load,
attempt the software update one more time. If the software doesn’t update properly or the
navigation doesn’t work, the radio may need to be replaced.
20. Using wiTECH, clear all DTCs that may have been set in any module due to reprogramming.
21. Using wiTECH create another Vehicle Scan Report and save a copy to the work order.
NOTE: After performing the radio update, the radio display screen may have a ghost image
that will not clear even after cycling off the ignition. This ghost image may appear on
any radio screens selected. Do not replace the radio for this concern, turn the vehicle
off and allow the radio and vehicle to enter a full power down cycle. A full power
down cycle may take 5 minutes.

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POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: Description

Skill Category

Amount

18-60-02-CY

Create USB Jump Drive
from Uconnect Website
(UAV)
(One Time Only)
(0 - Introduction)

6 - Electrical and Body Systems

0.2 Hrs.

18-60-02-CZ

Create USB Jump Drive
from Uconnect Website
(UCV)
(One Time Only)
(0 - Introduction)
Check Radio Software Level
and Perform Software
Update
(0 - Introduction)

6 - Electrical and Body Systems

0.2 Hrs.

6 - Electrical and Body Systems

0.6 Hrs.

18-60-02-DA

NOTE: The “One Time Only” LOP is used one time per dealer when downloading the
software onto a USB flash drive. The dealer can only use the download LOP one
time for each of the radios listed.
FAILURE CODE:
The dealer must use failure code CC with this Service Bulletin.
• If the customer’s concern matches the SYMPTOM/CONDITION identified in the 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 Service Bulletin flash/reprogramming conditions.
CC

Customer Concern