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Introduction - The Story
Longtime Ghibli owners know how bad the Bluetooth functionality of our UnConnect / Maserati Terrible Connection (MTC) is. On some days it would work normally, other days it would refuse to connect to any device. Repeated dealer visits and replacing the HFM module yielded zero success. My dealer flashed the HFM module firmware to the latest version, which gave me song metadata but still didn't solve the issue.
The dealer then told me there were no further firmware updates and that I just had to accept the BT functionality being unreliable. Inputting my Ghibli's VIN on UConnect's update website lead to an error saying the VIN was invalid, which makes sense since Maserati rebranded it to MTC. Even though I have already installed a wireless CarPlay unit, I still wanted BT to work since this specific music app I'm using has an official DTS surround sound plugin which sounds terrible over CarPlay and USB but would sound phenomenal over BT. Yes, I eventually took the risk of bricking my radio over trying to slightly improve audio playback quality.
I wanted to know if there are any updates at all for our UConnect. I knew that our radio, the RB5, is also used in Dodge Charger, Chrysler 300/300C, and some Fiats. I also knew from installing my own navigation maps that it is feasible to flash the navigation firmware from a Dodge Charger into a Ghibli to downgrade it to CTP13 so we can flash the new maps ourselves. I also knew that my UConnect has a software version of 15/09/D1 from the dealer menu. With all that, I Google'd "UConnect 15/09/D1" and lo and behold, there was actually a new update issued in early 2017 with the version 16/21/D7!
The patch notes:
TSB 08-004-17 refers to a software update for your Uconnect system:
"NUMBER: 08-004-17
GROUP: Electrical
DATE: January 12, 2017
SUBJECT:
Flash: RE2 RE3 RE4 RE6 RE7 RB4 RB5 RB6 Radio Enhancements
SYMPTOM/CONDITION:
A customer may experience one or more of the following conditions:
• ** Navigation screen locks up or display will be blank (Software has been updated to better address this condition).
• Intermittently the radio display screen may be black or the radio will reset.**
• Navigation feature lockout disabled (International Only) (Software has been updated to better address this condition).
• Improve FM radio reception (This only applies to 2013 or 2014 LX vehicles with RE6, RB6 radios located in Dubai).
• Radio display screen shows “Test Mode”.
• Navigation system may reset intermittently.
• Translation improvements/corrections.
• System consistency and operational improvements for menu selections, month/date formatting, and Garmin translation functions.
• Radio system improvements during remote start operation.
• Unable to adjust radio volume using steering wheel switch intermittently.
• Second screen is blank when using split screen function.
• Some functionality for Japanese and Korean languages- keyboard, search, sort and jump.
• Unable to add contacts to the favorite list.
• Unable to dial the phone from the radio, while still able to dial from the phone.
• Unable to delete a cell phone number from the favorite list.
• More space available for phone book entries.
• BlackBerry support for playing songs.
• Reduce ticking noise during CD/USB pause and Voice Recognition (VR) is silent between prompts.
• VR unable to transition from non-navigation to navigation mode.
• iPod screen is displayed with navigation screen.
• Asian language translation added.
• Highlighted preset continues blinking.
• Takes more than one button press to select preset #10 .
• Unable to adjust volume from steering wheel switches.
• Clock adjust pop up message displayed in English rather than current language.
• Can not connect to the phone after it has been disconnected.
• Teleprompter screen shows incomplete text.
• Some functionality for traffic & weather jump button.
• After changing a language and then selecting CDDA, “of” is displayed as a tracking number.
• In “Set Date Year” only 3 digits are displayed.
• Split map view will not cancel.
• Map screen turns black when driving.
• When in Italian, the destination arrival text will overlap onto the map.
• Does not accept Iraq when commanding “Set Target Country”.
• Some pop up message characters are displayed with “!#”.
• Traffic programming slow to start."
The line I highlighted caught my interest. Could this be the long-awaited BT fix? I decided to get my hands on a firmware update for Dodge Charger and risk it. Since we could downgrade our Garmin with their firmware, then surely we can upgrade our UConnect with their firmware too...
Why we didn't get this update? My guess is Maserati had already moved on to MTC+ by then (MY2017) and did not want to spend time on fixing older radios.
--------------------------------------------
Obtaining the New Firmware Image
How can we download the new firmware if the official website doesn't take our VIN? I went on CarGurus to look for a Dodge Charger for sale with the same RB5 nav as we do. Here is the VIN I used: 2C3CDXHG0EH321930.
Go to UConnect's update website and paste in the VIN: Software Update for Uconnect® - Check For Updates
Then, just follow the instructions presented to you. I wouldn't do the navigation update to CTP17 since some people imply it might disable downgrading to CTP13 to flash maps without a dealer visit.
A caveat though: I had to format my USB drive to FAT with Master Boot Record under macOS. For whatever reason, UConnect could not read my drive when I formatted it under Windows.
The update should take no more than 20 minutes. I recorded the process and here are my initial reactions:
SW version before the update:
The update prompt when the USB drive was inserted:
During the flash:
After the firmware update:
Observations
Removing paired devices is much faster and the pairing process is also a lot faster. I will need to give it a few days to see if the BT issues have truly been fixed. You are all welcome to install this update and see if the BT situation has improved!
Thanks for reading!
Longtime Ghibli owners know how bad the Bluetooth functionality of our UnConnect / Maserati Terrible Connection (MTC) is. On some days it would work normally, other days it would refuse to connect to any device. Repeated dealer visits and replacing the HFM module yielded zero success. My dealer flashed the HFM module firmware to the latest version, which gave me song metadata but still didn't solve the issue.
The dealer then told me there were no further firmware updates and that I just had to accept the BT functionality being unreliable. Inputting my Ghibli's VIN on UConnect's update website lead to an error saying the VIN was invalid, which makes sense since Maserati rebranded it to MTC. Even though I have already installed a wireless CarPlay unit, I still wanted BT to work since this specific music app I'm using has an official DTS surround sound plugin which sounds terrible over CarPlay and USB but would sound phenomenal over BT. Yes, I eventually took the risk of bricking my radio over trying to slightly improve audio playback quality.
I wanted to know if there are any updates at all for our UConnect. I knew that our radio, the RB5, is also used in Dodge Charger, Chrysler 300/300C, and some Fiats. I also knew from installing my own navigation maps that it is feasible to flash the navigation firmware from a Dodge Charger into a Ghibli to downgrade it to CTP13 so we can flash the new maps ourselves. I also knew that my UConnect has a software version of 15/09/D1 from the dealer menu. With all that, I Google'd "UConnect 15/09/D1" and lo and behold, there was actually a new update issued in early 2017 with the version 16/21/D7!
The patch notes:
TSB 08-004-17 refers to a software update for your Uconnect system:
"NUMBER: 08-004-17
GROUP: Electrical
DATE: January 12, 2017
SUBJECT:
Flash: RE2 RE3 RE4 RE6 RE7 RB4 RB5 RB6 Radio Enhancements
SYMPTOM/CONDITION:
A customer may experience one or more of the following conditions:
• ** Navigation screen locks up or display will be blank (Software has been updated to better address this condition).
• Intermittently the radio display screen may be black or the radio will reset.**
• Navigation feature lockout disabled (International Only) (Software has been updated to better address this condition).
• Improve FM radio reception (This only applies to 2013 or 2014 LX vehicles with RE6, RB6 radios located in Dubai).
• Radio display screen shows “Test Mode”.
• Navigation system may reset intermittently.
• Translation improvements/corrections.
• System consistency and operational improvements for menu selections, month/date formatting, and Garmin translation functions.
• Radio system improvements during remote start operation.
• Unable to adjust radio volume using steering wheel switch intermittently.
• Second screen is blank when using split screen function.
• Some functionality for Japanese and Korean languages- keyboard, search, sort and jump.
• Unable to add contacts to the favorite list.
• Unable to dial the phone from the radio, while still able to dial from the phone.
• Unable to delete a cell phone number from the favorite list.
• More space available for phone book entries.
• BlackBerry support for playing songs.
• Reduce ticking noise during CD/USB pause and Voice Recognition (VR) is silent between prompts.
• VR unable to transition from non-navigation to navigation mode.
• iPod screen is displayed with navigation screen.
• Asian language translation added.
• Highlighted preset continues blinking.
• Takes more than one button press to select preset #10 .
• Unable to adjust volume from steering wheel switches.
• Clock adjust pop up message displayed in English rather than current language.
• Can not connect to the phone after it has been disconnected.
• Teleprompter screen shows incomplete text.
• Some functionality for traffic & weather jump button.
• After changing a language and then selecting CDDA, “of” is displayed as a tracking number.
• In “Set Date Year” only 3 digits are displayed.
• Split map view will not cancel.
• Map screen turns black when driving.
• When in Italian, the destination arrival text will overlap onto the map.
• Does not accept Iraq when commanding “Set Target Country”.
• Some pop up message characters are displayed with “!#”.
• Traffic programming slow to start."
The line I highlighted caught my interest. Could this be the long-awaited BT fix? I decided to get my hands on a firmware update for Dodge Charger and risk it. Since we could downgrade our Garmin with their firmware, then surely we can upgrade our UConnect with their firmware too...
Why we didn't get this update? My guess is Maserati had already moved on to MTC+ by then (MY2017) and did not want to spend time on fixing older radios.
--------------------------------------------
Obtaining the New Firmware Image
How can we download the new firmware if the official website doesn't take our VIN? I went on CarGurus to look for a Dodge Charger for sale with the same RB5 nav as we do. Here is the VIN I used: 2C3CDXHG0EH321930.
Go to UConnect's update website and paste in the VIN: Software Update for Uconnect® - Check For Updates
Then, just follow the instructions presented to you. I wouldn't do the navigation update to CTP17 since some people imply it might disable downgrading to CTP13 to flash maps without a dealer visit.
A caveat though: I had to format my USB drive to FAT with Master Boot Record under macOS. For whatever reason, UConnect could not read my drive when I formatted it under Windows.
The update should take no more than 20 minutes. I recorded the process and here are my initial reactions:
SW version before the update:
The update prompt when the USB drive was inserted:
During the flash:
After the firmware update:
Observations
Removing paired devices is much faster and the pairing process is also a lot faster. I will need to give it a few days to see if the BT issues have truly been fixed. You are all welcome to install this update and see if the BT situation has improved!
Thanks for reading!