Technical Service Bulletin (TSB)
Radio Over The Air JR34.41F Updating to JR34.42F Software
Version
REFERENCE:

TSB: 08-140-23
GROUP 08 Electrical

VEHICLES
AFFECTED:

2020 (BV) Jeep Renegade
2020 (RU) Chrysler Pacifica
2020 (MP) Jeep Compass
2020 (KL) Jeep Cherokee
2020 (WK) Jeep Grand Cherokee
2020 (WD) Dodge Durango
2020 (JL) Jeep Wrangler
2020 (JT) Jeep Gladiator
2020 (LA) Dodge Challenger
2020 (LD) Dodge Charger
2020 (LX) Chrysler 300
2020 (DS) RAM 1500 Pickup
2020 (DT) RAM 1500 Pickup
2020 (DJ) RAM 2500 Pickup
2020 (D2) Ram 3500 Pickup
2020 (DD) RAM 3500 Cab Chassis
2020 (DP) RAM 4500/5500 Cab Chassis
2020 (DF) RAM 10K Lb. Cab Chassis
This bulletin applies to vehicles equipped with Uconnect 4C
NAV W 8.4” Display (Sales Codes UCV and UCQ) and Uconnect
4 W 8.4” Display (Sales Codes UCS and UCR).

CUSTOMER
SYMPTOM:

CAUSE:

Date:

June 9, 2023

REVISION:

—

MARKET APPLICABILITY:
HNA
□MEA
□SA

□IAP

□EE

□CH

• Mobile WiFi inoperative upon start up.
• WiFi hotspot gives “No Internet” connection message on phone when trying to connect to a
device.
Radio cell modem firmware level

REPAIR SUMMARY:
This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides
the service technician an overview of the steps a customer will need to take to complete the update. The
radio software will be updated from JR34.41F to JR34.42F.
NOTE: The National campaign for this FOTA update launched July 5, 2023.
DISCUSSION:
Vehicles sold in the U.S. and Canada can now receive software updates “over-the-air”. Updates to software
will occur in a phased roll-out. The software is updated through the built-in cellular modem in the radio.

08-140-23

-2-

Customers will see a notification on their radio screen when new software is available for their radio (Fig. 1) .
The owner will have the option to update the radio or schedule the update for later. There is not an option
to decline the update indefinitely, the update must be performed.

Fig. 1
Software Acceptance Screen

NOTE: If selecting “Schedule Update” the screen below will be displayed. The customer can select
the exact time they want the update to begin (Fig. 2) .

Fig. 2
Schedule Update Screen

1. The vehicle transmission needs to be in the park position, or have the vehicle in neutral with parking
brake engaged if equipped with a manual transmission. The ignition needs to be off.

-3-

08-140-23

2. Whether the customer selects “Update Now” or “Schedule Update” (Fig. 2) and sets a time, they can
shut off the vehicle and leave. The update will be completed automatically (Fig. 3) .
NOTE: This step may take several minutes to complete.

Fig. 3
Update In Progress Screen

3. Upon completion of update, the radio will display a confirmation message (Fig. 4) .

Fig. 4
Update Confirmation Screen

POLICY:
Information Only
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.