Technical Service Bulletin (TSB)
Radio Over The Air Update to Q339.3 to QR39.62 Software Version
REFERENCE:

TSB: 08-245-23
GROUP: 08 - Electrical

Date:

November 21, 2023

REVISION: —

VEHICLES
AFFECTED:

2021 - 2023 (BV) Jeep Renegade
MARKET APPLICABILITY:
2021 (D2) RAM 3500 Pickup
MEA
NA
2021 (DD) RAM 3500 Cab Chassis
SA
IAP
2021 (DF) RAM 3500 10K Lb. Cab Chassis
2021 (DJ) RAM 2500 Pickup
EE
CH
2021 (DP) RAM 4500/5500 Cab Chassis
2021 (DS) RAM 1500 Pickup
2021 (DT) Ram 1500 Pickup
2021 - 2023 (JL) Jeep Wrangler
2021 - 2023 (JT) Jeep Gladiator
2021 - 2023 (KL) Jeep Cherokee
2021 - 2023 (LA) Dodge Challenger
2021 - 2023 (LD) Dodge Charger
2021 - 2023 (LX) Chrysler 300
2021 - 2023 (MP) Jeep Compass
2021 (WK) Jeep Grand Cherokee
This bulletin applies to LA, LD, LX vehicles built on or before March
29, 2023 (MDH 0329XX) equipped with one of the following radios
below:
This bulletin applies to JL, JT vehicles built on or before November 22,
2022 (MDH 1122XX) equipped with one of the following radios below:
This bulletin applies to KL vehicles built on or before November 14,
2022 (MDH 1114XX) equipped with one of the following radios below:
This bulletin applies to MP vehicles built on or before January 18, 2022
(MDH 0118XX) equipped with one of the following radios below:
• Uconnect 4C Nav With 8.4” Display radio (Sales Codes UAV or UCV).
• Uconnect 4C Nav With 8.4” Display radio (Sales Codes UAQ or UCQ).
• Uconnect 4C With 8.4” Display radio (Sales Codes UAS or UCS).

CUSTOMER
SYMPTOM:

Customers may experience one or more of the following:
• Mobile Wi-Fi inoperative upon start up.
• Hotspot gives "No Internet" connection message on phone when trying to connect to a device.

CAUSE:

Various software issues due to the current software version of the radio.

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 Q339.3 to QR39.62.
NOTE: The National launch for this FOTA update campaign is expected to begin December 04, 2023.

J08 FSAR-TSB-3566

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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 bulletin cellular modem in the radio.
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 Update
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.
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.

Fig. 2
Schedule Update
NOTE: This step may take several minutes to complete.

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J08 FSAR-TSB-3566

Fig. 3
Software Progress Window
3. Upon completion of update, the radio will display a confirmation message Fig. 4

Fig. 4
Software Confirmation
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.