Updated from 3.0.19205 to 3.4.23188 and everything works fine except for the fact that when I go to the Nav screen it just is black except for the menu bar with the clock

The system works fine but NAV will not load. Vehicle was a 2014 SYNC 2, but I updated hardware to a 2018 APIM and a 2019 screen. When I loaded in it was running 3.0 just fine, Nav worked, but I decided to update maps and SYNC to 3.4 because I like the latest and greatest. Now despite a reinstall I just can’t get the NAV screen to display anything but black, android auto works fine though and GPS seems to work. I had a fault with my original GPS antenna but I just replaced it and its clear now, still have the same black screen. No vehicle position, no maps, just the white menu bar on the top. I can hit the home button and it works, so its not freezing or anything.


SYNC Region: NA

Navigation Variant: Nav

Manufacturer Year: Pre MY20

Install Type: Retrofit

Old SYNC Version: 3.0.19205

New SYNC Version: 3.4.23188

Do you have a error message, if so what is it?
No error messages

Update Method: CyanLabs Syn3 Updater

Syn3 Updater Version: 2.13.3.0

Syn3 Updater Documentation Read: yes

Syn3 Updater Log File

CYANLABS - SYN3 UPDATER - V2.13.3.0
Branch: Stable
Operating System: Microsoft Windows 10 Pro (2009)

PREVIOUS CONFIGURATION
Version: 3.4.23188
Region: NA
Navigation: True
Install Mode: Auto-Detect (downgrade)
Install Mode Overridden: False
My20 Protection Enabled: Auto-Detect

DESTINATION DETAILS
Mode: Drive
Model:  USB  SanDisk 3.2Gen1 USB Device
Size: 233GB
FileSystem: exFAT
Partition Type: MBR

REFORMAT.LST
VOICE=5U5T-14G391-CS_1660783942000.TAR.GZ
APPS=NU5T-14G381-AD_1689364279000.TAR.GZ
MAP=4U5T-14G421-CAH_1739451493000.TAR.GZ
MAP=4U5T-14G421-CBH_1739452251000.TAR.GZ
MAP=4U5T-14G421-CCH_1739452486000.TAR.GZ
MAP=4U5T-14G421-CDH_1739454837000.TAR.GZ
MAP=4U5T-14G421-CEH_1739455023000.TAR.GZ
MAP=4U5T-14G421-CFH_1739455629000.TAR.GZ
MAP=4U5T-14G421-CGH_1739455773000.TAR.GZ
MAP=4U5T-14G421-CJH_1739456204000.TAR.GZ
MAP=4U5T-14G421-CHH_1739455946000.TAR.GZ
VOICE_NAV=4U5T-14G422-CAP_1739450358000.TAR.GZ


AUTOINSTALL.LST
; CyanLabs Syn3Updater 2.13.3.0 Stable - downgrade  Mode - Sync 3.4.23188 NA

[SYNCGen3.0_ALL_PRODUCT]
Item1 = RWDataCleaner TOOL - PU5T-14G386-BB_1690840002000.TAR.GZ
Open1 = SyncMyRide\PU5T-14G386-BB_1690840002000.TAR.GZ
Item2 = TOOL - GB5T-14G386-SC_85041.tar.gz
Open2 = SyncMyRide\GB5T-14G386-SC_85041.tar.gz
Item3 = APP - 4U5T-14G381-AN_1552583626000.TAR.GZ
Open3 = SyncMyRide\4U5T-14G381-AN_1552583626000.TAR.GZ
Options = AutoInstall
[SYNCGen3.0_ALL]
Item1 = REFORMAT TOOL - 1u5t-14g386-cb.tar.gz
Open1 = SyncMyRide\1u5t-14g386-cb.tar.gz
Options = AutoInstall,Include,Transaction


FILES (16)
4U5T-14G381-AN_1552583626000.TAR.GZ (479.7MB)
GB5T-14G386-SC_85041.tar.gz (1.8KB)
1u5t-14g386-cb.tar.gz (8.5MB)
PU5T-14G386-BB_1690840002000.TAR.GZ (3.2KB)
5U5T-14G391-CS_1660783942000.TAR.GZ (385.5MB)
NU5T-14G381-AD_1689364279000.TAR.GZ (869.8MB)
4U5T-14G421-CAH_1739451493000.TAR.GZ (1GB)
4U5T-14G421-CBH_1739452251000.TAR.GZ (1.1GB)
4U5T-14G421-CCH_1739452486000.TAR.GZ (1.2GB)
4U5T-14G421-CDH_1739454837000.TAR.GZ (1.4GB)
4U5T-14G421-CEH_1739455023000.TAR.GZ (1.2GB)
4U5T-14G421-CFH_1739455629000.TAR.GZ (1.1GB)
4U5T-14G421-CGH_1739455773000.TAR.GZ (1.2GB)
4U5T-14G421-CJH_1739456204000.TAR.GZ (752.3MB)
4U5T-14G421-CHH_1739455946000.TAR.GZ (1GB)
4U5T-14G422-CAP_1739450358000.TAR.GZ (1.2GB)

LOG
[7/29/2025 6:12:33 PM] Selected Region: NA - Release: Sync 3.4.23188 - Map Version: NA - 2025-07-27 - 1753656193 
[7/29/2025 6:12:33 PM] Install Mode: Auto-Detect (downgrade) Forced: False 
[7/29/2025 6:12:33 PM] MY20 Protection: Auto-Detect 
[7/29/2025 6:12:33 PM] Formatting USB drive
[7/29/2025 6:12:33 PM] Re-creating partition table as MBR and formatting as ExFat on selected USB drive
[7/29/2025 6:12:40 PM] Checking Existing File: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:12:40 PM] Validate: 4U5T-14G381-AN_1552583626000.TAR.GZ (Failed!, Downloading)
[7/29/2025 6:12:40 PM] Downloading: 4U5T-14G381-AN_1552583626000.TAR.GZ
[7/29/2025 6:13:55 PM] Validating: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:13:57 PM] Validate: 4U5T-14G381-AN_1552583626000.TAR.GZ (Failed!, Downloading)
[7/29/2025 6:13:57 PM] Downloading (Attempt #2): 4U5T-14G381-AN_1552583626000.TAR.GZ
[7/29/2025 6:15:09 PM] Validating: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:15:13 PM] Validate: 4U5T-14G381-AN_1552583626000.TAR.GZ (Failed!, Downloading)
[7/29/2025 6:15:13 PM] Unable to validate 4U5T-14G381-AN_1552583626000.TAR.GZ after 2 attempts, attempting once more with 'connections' forced to 1 
[7/29/2025 6:15:13 PM] Downloading (Attempt #3): 4U5T-14G381-AN_1552583626000.TAR.GZ
[7/29/2025 6:16:23 PM] Validating: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:16:24 PM] Downloaded: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:16:24 PM] Checking Existing File: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:16:24 PM] Downloading: GB5T-14G386-SC_85041.tar.gz
[7/29/2025 6:16:25 PM] Validating: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:16:25 PM] Downloaded: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:16:25 PM] Checking Existing File: 1u5t-14g386-cb.tar.gz 
[7/29/2025 6:16:25 PM] Validated: 1u5t-14g386-cb.tar.gz (Skipping Download) 
[7/29/2025 6:16:25 PM] Checking Existing File: PU5T-14G386-BB_1690840002000.TAR.GZ 
[7/29/2025 6:16:25 PM] Validated: PU5T-14G386-BB_1690840002000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:25 PM] Checking Existing File: 5U5T-14G391-CS_1660783942000.TAR.GZ 
[7/29/2025 6:16:26 PM] Validated: 5U5T-14G391-CS_1660783942000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:26 PM] Checking Existing File: NU5T-14G381-AD_1689364279000.TAR.GZ 
[7/29/2025 6:16:29 PM] Validated: NU5T-14G381-AD_1689364279000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:29 PM] Checking Existing File: 4U5T-14G421-CAH_1739451493000.TAR.GZ 
[7/29/2025 6:16:33 PM] Validated: 4U5T-14G421-CAH_1739451493000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:33 PM] Checking Existing File: 4U5T-14G421-CBH_1739452251000.TAR.GZ 
[7/29/2025 6:16:37 PM] Validated: 4U5T-14G421-CBH_1739452251000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:37 PM] Checking Existing File: 4U5T-14G421-CCH_1739452486000.TAR.GZ 
[7/29/2025 6:16:42 PM] Validated: 4U5T-14G421-CCH_1739452486000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:42 PM] Checking Existing File: 4U5T-14G421-CDH_1739454837000.TAR.GZ 
[7/29/2025 6:16:47 PM] Validated: 4U5T-14G421-CDH_1739454837000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:47 PM] Checking Existing File: 4U5T-14G421-CEH_1739455023000.TAR.GZ 
[7/29/2025 6:16:51 PM] Validated: 4U5T-14G421-CEH_1739455023000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:51 PM] Checking Existing File: 4U5T-14G421-CFH_1739455629000.TAR.GZ 
[7/29/2025 6:16:55 PM] Validated: 4U5T-14G421-CFH_1739455629000.TAR.GZ (Skipping Download) 
[7/29/2025 6:16:55 PM] Checking Existing File: 4U5T-14G421-CGH_1739455773000.TAR.GZ 
[7/29/2025 6:17:00 PM] Validated: 4U5T-14G421-CGH_1739455773000.TAR.GZ (Skipping Download) 
[7/29/2025 6:17:00 PM] Checking Existing File: 4U5T-14G421-CJH_1739456204000.TAR.GZ 
[7/29/2025 6:17:02 PM] Validated: 4U5T-14G421-CJH_1739456204000.TAR.GZ (Skipping Download) 
[7/29/2025 6:17:02 PM] Checking Existing File: 4U5T-14G421-CHH_1739455946000.TAR.GZ 
[7/29/2025 6:17:06 PM] Validated: 4U5T-14G421-CHH_1739455946000.TAR.GZ (Skipping Download) 
[7/29/2025 6:17:06 PM] Checking Existing File: 4U5T-14G422-CAP_1739450358000.TAR.GZ 
[7/29/2025 6:17:10 PM] Validated: 4U5T-14G422-CAP_1739450358000.TAR.GZ (Skipping Download) 
[7/29/2025 6:17:10 PM] Preparing USB drive
[7/29/2025 6:17:10 PM] Checking Existing File: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:17:10 PM] Copying: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:17:21 PM] Validating: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:17:25 PM] Copied: 4U5T-14G381-AN_1552583626000.TAR.GZ 
[7/29/2025 6:17:25 PM] Checking Existing File: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:17:25 PM] Copying: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:17:25 PM] Validating: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:17:25 PM] Copied: GB5T-14G386-SC_85041.tar.gz 
[7/29/2025 6:17:25 PM] Checking Existing File: 1u5t-14g386-cb.tar.gz 
[7/29/2025 6:17:25 PM] Copying: 1u5t-14g386-cb.tar.gz 
[7/29/2025 6:17:25 PM] Validating: 1u5t-14g386-cb.tar.gz 
[7/29/2025 6:17:25 PM] Copied: 1u5t-14g386-cb.tar.gz 
[7/29/2025 6:17:25 PM] Checking Existing File: PU5T-14G386-BB_1690840002000.TAR.GZ 
[7/29/2025 6:17:25 PM] Copying: PU5T-14G386-BB_1690840002000.TAR.GZ 
[7/29/2025 6:17:25 PM] Validating: PU5T-14G386-BB_1690840002000.TAR.GZ 
[7/29/2025 6:17:25 PM] Copied: PU5T-14G386-BB_1690840002000.TAR.GZ 
[7/29/2025 6:17:25 PM] Checking Existing File: 5U5T-14G391-CS_1660783942000.TAR.GZ 
[7/29/2025 6:17:25 PM] Copying: 5U5T-14G391-CS_1660783942000.TAR.GZ 
[7/29/2025 6:17:33 PM] Validating: 5U5T-14G391-CS_1660783942000.TAR.GZ 
[7/29/2025 6:17:36 PM] Copied: 5U5T-14G391-CS_1660783942000.TAR.GZ 
[7/29/2025 6:17:36 PM] Checking Existing File: NU5T-14G381-AD_1689364279000.TAR.GZ 
[7/29/2025 6:17:36 PM] Copying: NU5T-14G381-AD_1689364279000.TAR.GZ 
[7/29/2025 6:17:55 PM] Validating: NU5T-14G381-AD_1689364279000.TAR.GZ 
[7/29/2025 6:18:04 PM] Copied: NU5T-14G381-AD_1689364279000.TAR.GZ 
[7/29/2025 6:18:04 PM] Checking Existing File: 4U5T-14G421-CAH_1739451493000.TAR.GZ 
[7/29/2025 6:18:04 PM] Copying: 4U5T-14G421-CAH_1739451493000.TAR.GZ 
[7/29/2025 6:18:35 PM] Validating: 4U5T-14G421-CAH_1739451493000.TAR.GZ 
[7/29/2025 6:18:43 PM] Copied: 4U5T-14G421-CAH_1739451493000.TAR.GZ 
[7/29/2025 6:18:43 PM] Checking Existing File: 4U5T-14G421-CBH_1739452251000.TAR.GZ 
[7/29/2025 6:18:43 PM] Copying: 4U5T-14G421-CBH_1739452251000.TAR.GZ 
[7/29/2025 6:19:26 PM] Validating: 4U5T-14G421-CBH_1739452251000.TAR.GZ 
[7/29/2025 6:19:40 PM] Copied: 4U5T-14G421-CBH_1739452251000.TAR.GZ 
[7/29/2025 6:19:40 PM] Checking Existing File: 4U5T-14G421-CCH_1739452486000.TAR.GZ 
[7/29/2025 6:19:40 PM] Copying: 4U5T-14G421-CCH_1739452486000.TAR.GZ 
[7/29/2025 6:20:38 PM] Validating: 4U5T-14G421-CCH_1739452486000.TAR.GZ 
[7/29/2025 6:20:57 PM] Copied: 4U5T-14G421-CCH_1739452486000.TAR.GZ 
[7/29/2025 6:20:57 PM] Checking Existing File: 4U5T-14G421-CDH_1739454837000.TAR.GZ 
[7/29/2025 6:20:57 PM] Copying: 4U5T-14G421-CDH_1739454837000.TAR.GZ 
[7/29/2025 6:21:58 PM] Validating: 4U5T-14G421-CDH_1739454837000.TAR.GZ 
[7/29/2025 6:22:20 PM] Copied: 4U5T-14G421-CDH_1739454837000.TAR.GZ 
[7/29/2025 6:22:20 PM] Checking Existing File: 4U5T-14G421-CEH_1739455023000.TAR.GZ 
[7/29/2025 6:22:20 PM] Copying: 4U5T-14G421-CEH_1739455023000.TAR.GZ 
[7/29/2025 6:23:16 PM] Validating: 4U5T-14G421-CEH_1739455023000.TAR.GZ 
[7/29/2025 6:23:37 PM] Copied: 4U5T-14G421-CEH_1739455023000.TAR.GZ 
[7/29/2025 6:23:37 PM] Checking Existing File: 4U5T-14G421-CFH_1739455629000.TAR.GZ 
[7/29/2025 6:23:37 PM] Copying: 4U5T-14G421-CFH_1739455629000.TAR.GZ 
[7/29/2025 6:24:32 PM] Validating: 4U5T-14G421-CFH_1739455629000.TAR.GZ 
[7/29/2025 6:24:52 PM] Copied: 4U5T-14G421-CFH_1739455629000.TAR.GZ 
[7/29/2025 6:24:52 PM] Checking Existing File: 4U5T-14G421-CGH_1739455773000.TAR.GZ 
[7/29/2025 6:24:52 PM] Copying: 4U5T-14G421-CGH_1739455773000.TAR.GZ 
[7/29/2025 6:25:51 PM] Validating: 4U5T-14G421-CGH_1739455773000.TAR.GZ 
[7/29/2025 6:26:11 PM] Copied: 4U5T-14G421-CGH_1739455773000.TAR.GZ 
[7/29/2025 6:26:11 PM] Checking Existing File: 4U5T-14G421-CJH_1739456204000.TAR.GZ 
[7/29/2025 6:26:11 PM] Copying: 4U5T-14G421-CJH_1739456204000.TAR.GZ 
[7/29/2025 6:26:49 PM] Validating: 4U5T-14G421-CJH_1739456204000.TAR.GZ 
[7/29/2025 6:27:00 PM] Copied: 4U5T-14G421-CJH_1739456204000.TAR.GZ 
[7/29/2025 6:27:00 PM] Checking Existing File: 4U5T-14G421-CHH_1739455946000.TAR.GZ 
[7/29/2025 6:27:00 PM] Copying: 4U5T-14G421-CHH_1739455946000.TAR.GZ 
[7/29/2025 6:27:49 PM] Validating: 4U5T-14G421-CHH_1739455946000.TAR.GZ 
[7/29/2025 6:28:08 PM] Copied: 4U5T-14G421-CHH_1739455946000.TAR.GZ 
[7/29/2025 6:28:08 PM] Checking Existing File: 4U5T-14G422-CAP_1739450358000.TAR.GZ 
[7/29/2025 6:28:08 PM] Copying: 4U5T-14G422-CAP_1739450358000.TAR.GZ 
[7/29/2025 6:29:09 PM] Validating: 4U5T-14G422-CAP_1739450358000.TAR.GZ 
[7/29/2025 6:29:30 PM] Copied: 4U5T-14G422-CAP_1739450358000.TAR.GZ 
[7/29/2025 6:29:30 PM] Generating reformat.lst
[7/29/2025 6:29:30 PM] Generating autoinstall.lst
[7/29/2025 6:29:30 PM] ALL FILES DOWNLOADED AND COPIED TO THE USB DRIVE SUCCESSFULLY! 

So this is clearly a retrofit since no 2014 came with Sync 3. Where did you get this APIM? Usually ones that have a problem like this when you update it are Chinese knockoff APIM’s. Would you happen to have a pic of the back sticker of the APIM?

It’s a junkyard sourced unit and I would have to take it apart to show the back but it definitely looked like an OEM unit.

Probably OEM than. Do you know if it is an H series?

Sync_WWAPFK78_1FMCU9J95EUD31607.xml (10.9 KB)
log-2025-07-29-20-10-53.txt (8.1 KB)

If I understand what you were asking correctly I believe its a J series.

Yea that’s a legit J series. Should be a good APIM.

Yeah I don’t know what I’m doing wrong

Did you do a master reset after the upload to the car?

Often you get nav issues unless you do that.

I’d drop the build to 3.4.21265
Its not all that unusual for older Sync2/MFT to have issues with 3.4.23188.

Yes I was. Downgrading to 3.4.22000 fixed it

3.4.22200 fixed it anyway, but I’m not running Sync 2 hardware.

Referring to the OTHER modules in your car, the Sync2/MFT OS is a fork of Windows CE 6.5, Sync 3 OS is Blackberry QNX Auto.
3.4.22200 is a buggy release, see all the associated threads about the RW data partition filling up due to a bug introduced after 3.4.21265.
The “clean” releases are 3.4.23188 & 3.4.21265, with 3.4.21265 being required for some older vehicles due to module firmware incompatibility issues.

Sweet I’ll tweak it to 21265 then. Thanks!

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