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Grand Cherokee
150 Posts
What changes are included in the new 18.45.01 update include?
There you go.
TSB included as attachment.

SUBJECT: Flash Over The Air (FOTA) Software Update RA3 and RA4 Radio

OVERVIEW: This bulletin provides information regarding the latest Flash 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.

2015 - 2017 (BU) Jeep Renegade
2013 - 2017 (KL) Jeep Cherokee
2017 (RU) Chrysler Pacifica
2015 - 2017 (UF) Chrysler 200
2014 - 2017 (WD) Dodge Durango
2014 - 2017 (WK) Jeep Grand Cherokee
2013 - 2017 (ZD) Dodge Viper
2015 - 2016 (LA) Dodge Challenger
2015 - 2016 (LD) Dodge Charger
2015 - 2016 (LX) Chrysler 300
2013 - 2017 (DS) RAM 1500 Pickup
2013 - 2017 (D2) RAM 3500 Pickup
2013 - 2017 (DD) RAM 3500 Cab Chassis
2013 - 2017 (DF) RAM 3500 <10K LB Cab Chassis
2013 - 2017 (DJ) RAM 2500 Pickup
2013 - 2017 (DP) RAM 4500/5500 Cab Chassis

NOTE: This bulletin applies to vehicles within the following markets/countries: (U.S.).
NOTE: This bulletin applies to vehicles equipped with Uconnect 3C With 8.4( Display (Sales
Code RA3) or Uconnect 3C Nav With 8.4( Display (Sales Code RA4) with Uconnect
Access (Sales Code RS7).

Vehicles sold in the U.S. can 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.
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.
NOTE: If the update is not performed the following will occur.
On November 3rd, 2019, all vehicles GPS functionalities (i.e. location, turn-by-turn, date, time) will
be inaccurate.
• Certain connected services applications will lose functionality that depend on accurate GPS.
There will be no error message displayed to the customer.
• Vehicle location on GPS navigation screen will no longer follow the streets on the map.
• Connected services that utilize GPS time will no longer function.
NOTE: This is an information only Service Bulletin to inform the dealer how the FOTA update
is performed. This document does not contain a LOP for reimbursement.


Jeep Grand Cherokee
448 Posts
How can this apply only for the US when there is Canadian sales with the exact specs? Does that mean our GPS will remain inaccurate?

15 Posts
I guess that explains why I did not receive any message to update my 2018 GC.
You could always just go here and put in your VIN -- they will let you know if there is an update available for your vehicle.

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