Audio Issue with apple Carplay

Not sure if this related to updating to 3.4 but i only noticed it after the update. When listening to either apple music or Spotify over carplay the audio seems to skip or stutter slightly and at random times but it doesn’t happen over Bluetooth or the regular radio. I’m on the latest version of 3.4 and running IOS 15.2. Any suggestions i could try? I’ve tried switching cords and that didn’t make a difference.


SYNC Region: North America & Canada

Navigation Variant: Yes

Old SYNC Version: 3.0.20204

New SYNC Version: 3.4.21194

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

Update Method: CyanLabs Syn3 Updater

Syn3 Updater Version: 2.10.06

Syn3 Updater Documentation Read: Yes

Syn3 Updater Log File

CYANLABS - SYN3 UPDATER - V2.10.6.0
Branch: Stable
Operating System: Microsoft Windows 10 Home (2009)

PREVIOUS CONFIGURATION
Version: 3.0.20204
Region: NA
Navigation: True
Install Mode: Auto-Detect (reformat)
Install Mode Overridden: False
My20 Protection Enabled: Auto-Detect

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

REFORMAT.LST
GRACENOTES=4U5T-14G423-CC_1615429225000.TAR.GZ
APPS=5U5T-14G381-ET_1627475308000.TAR.GZ
VOICE=5U5T-14G391-CP_1626959995000.TAR.GZ
MAP=4U5T-14G421-CJD_1615428865000.TAR.GZ
MAP=4U5T-14G421-CHD_1615428793000.TAR.GZ
MAP=4U5T-14G421-CGD_1615428721000.TAR.GZ
MAP=4U5T-14G421-CFD_1615428639000.TAR.GZ
MAP=4U5T-14G421-CED_1615428554000.TAR.GZ
MAP=4U5T-14G421-CDD_1615428467000.TAR.GZ
MAP=4U5T-14G421-CCD_1615428361000.TAR.GZ
MAP=4U5T-14G421-CBD_1615428261000.TAR.GZ
MAP=4U5T-14G421-CAD_1615428059000.TAR.GZ
MAP_LICENSE=4U5T-14G424-CD_1616778089000.TAR.GZ
VOICE_NAV=4U5T-14G422-CAJ_1626961442000.TAR.GZ
VOICE_NAV=4U5T-14G422-CBJ_1626962550000.TAR.GZ
VOICE_NAV=4U5T-14G422-CCJ_1626963400000.TAR.GZ


AUTOINSTALL.LST
; CyanLabs Syn3Updater 2.10.6.0 Stable - reformat  Mode - Sync 3.4.21194 NA

[SYNCGen3.0_ALL_PRODUCT]
Item1 = REFORMAT TOOL  - 1u5t-14g386-cb.tar.gz
Open1 = SyncMyRide\1u5t-14g386-cb.tar.gz
Options = AutoInstall

FILES (17)
1u5t-14g386-cb.tar.gz (8.5MB)
4U5T-14G423-CC_1615429225000.TAR.GZ (564.2MB)
5U5T-14G381-ET_1627475308000.TAR.GZ (847.2MB)
5U5T-14G391-CP_1626959995000.TAR.GZ (385.4MB)
4U5T-14G421-CJD_1615428865000.TAR.GZ (657.9MB)
4U5T-14G421-CHD_1615428793000.TAR.GZ (989.6MB)
4U5T-14G421-CGD_1615428721000.TAR.GZ (1.1GB)
4U5T-14G421-CFD_1615428639000.TAR.GZ (1GB)
4U5T-14G421-CED_1615428554000.TAR.GZ (1GB)
4U5T-14G421-CDD_1615428467000.TAR.GZ (1.2GB)
4U5T-14G421-CCD_1615428361000.TAR.GZ (1GB)
4U5T-14G421-CBD_1615428261000.TAR.GZ (1.1GB)
4U5T-14G421-CAD_1615428059000.TAR.GZ (1.1GB)
4U5T-14G424-CD_1616778089000.TAR.GZ (1.7KB)
4U5T-14G422-CAJ_1626961442000.TAR.GZ (1.3GB)
4U5T-14G422-CBJ_1626962550000.TAR.GZ (772.4MB)
4U5T-14G422-CCJ_1626963400000.TAR.GZ (549.6MB)

LOG
[12/26/2021 7:40:02 PM] Selected Region: NA - Release: Sync 3.4.21194 - Map Version: 2.20 (2020) - NA 
[12/26/2021 7:40:02 PM] Install Mode: Auto-Detect (reformat) Forced: False 
[12/26/2021 7:40:02 PM] MY20 Protection: Auto-Detect 
[12/26/2021 7:40:02 PM] Checking Existing File: 1u5t-14g386-cb.tar.gz 
[12/26/2021 7:40:02 PM] Validated: 1u5t-14g386-cb.tar.gz (Skipping Download) 
[12/26/2021 7:40:02 PM] Checking Existing File: 4U5T-14G423-CC_1615429225000.TAR.GZ 
[12/26/2021 7:40:03 PM] Validated: 4U5T-14G423-CC_1615429225000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:03 PM] Checking Existing File: 5U5T-14G381-ET_1627475308000.TAR.GZ 
[12/26/2021 7:40:05 PM] Validated: 5U5T-14G381-ET_1627475308000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:05 PM] Checking Existing File: 5U5T-14G391-CP_1626959995000.TAR.GZ 
[12/26/2021 7:40:06 PM] Validated: 5U5T-14G391-CP_1626959995000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:06 PM] Checking Existing File: 4U5T-14G421-CJD_1615428865000.TAR.GZ 
[12/26/2021 7:40:07 PM] Validated: 4U5T-14G421-CJD_1615428865000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:07 PM] Checking Existing File: 4U5T-14G421-CHD_1615428793000.TAR.GZ 
[12/26/2021 7:40:10 PM] Validated: 4U5T-14G421-CHD_1615428793000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:10 PM] Checking Existing File: 4U5T-14G421-CGD_1615428721000.TAR.GZ 
[12/26/2021 7:40:12 PM] Validated: 4U5T-14G421-CGD_1615428721000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:12 PM] Checking Existing File: 4U5T-14G421-CFD_1615428639000.TAR.GZ 
[12/26/2021 7:40:14 PM] Validated: 4U5T-14G421-CFD_1615428639000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:14 PM] Checking Existing File: 4U5T-14G421-CED_1615428554000.TAR.GZ 
[12/26/2021 7:40:17 PM] Validated: 4U5T-14G421-CED_1615428554000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:17 PM] Checking Existing File: 4U5T-14G421-CDD_1615428467000.TAR.GZ 
[12/26/2021 7:40:20 PM] Validated: 4U5T-14G421-CDD_1615428467000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:20 PM] Checking Existing File: 4U5T-14G421-CCD_1615428361000.TAR.GZ 
[12/26/2021 7:40:22 PM] Validated: 4U5T-14G421-CCD_1615428361000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:22 PM] Checking Existing File: 4U5T-14G421-CBD_1615428261000.TAR.GZ 
[12/26/2021 7:40:25 PM] Validated: 4U5T-14G421-CBD_1615428261000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:25 PM] Checking Existing File: 4U5T-14G421-CAD_1615428059000.TAR.GZ 
[12/26/2021 7:40:27 PM] Validated: 4U5T-14G421-CAD_1615428059000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:27 PM] Checking Existing File: 4U5T-14G424-CD_1616778089000.TAR.GZ 
[12/26/2021 7:40:27 PM] Validated: 4U5T-14G424-CD_1616778089000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:27 PM] Checking Existing File: 4U5T-14G422-CAJ_1626961442000.TAR.GZ 
[12/26/2021 7:40:30 PM] Validated: 4U5T-14G422-CAJ_1626961442000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:30 PM] Checking Existing File: 4U5T-14G422-CBJ_1626962550000.TAR.GZ 
[12/26/2021 7:40:32 PM] Validated: 4U5T-14G422-CBJ_1626962550000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:32 PM] Checking Existing File: 4U5T-14G422-CCJ_1626963400000.TAR.GZ 
[12/26/2021 7:40:33 PM] Validated: 4U5T-14G422-CCJ_1626963400000.TAR.GZ (Skipping Download) 
[12/26/2021 7:40:33 PM] Preparing USB drive
[12/26/2021 7:40:33 PM] Checking Existing File: 1u5t-14g386-cb.tar.gz 
[12/26/2021 7:40:33 PM] 1u5t-14g386-cb.tar.gz exists and validated successfully, skipping copy 
[12/26/2021 7:40:33 PM] Checking Existing File: 4U5T-14G423-CC_1615429225000.TAR.GZ 
[12/26/2021 7:40:36 PM] Validate: 4U5T-14G423-CC_1615429225000.TAR.GZ (Failed!, Downloading)
[12/26/2021 7:40:36 PM] Copying: 4U5T-14G423-CC_1615429225000.TAR.GZ 
[12/26/2021 7:40:52 PM] Validating: 4U5T-14G423-CC_1615429225000.TAR.GZ 
[12/26/2021 7:40:53 PM] Copied: 4U5T-14G423-CC_1615429225000.TAR.GZ 
[12/26/2021 7:40:53 PM] Checking Existing File: 5U5T-14G381-ET_1627475308000.TAR.GZ 
[12/26/2021 7:40:53 PM] Copying: 5U5T-14G381-ET_1627475308000.TAR.GZ 
[12/26/2021 7:41:18 PM] Validating: 5U5T-14G381-ET_1627475308000.TAR.GZ 
[12/26/2021 7:41:20 PM] Copied: 5U5T-14G381-ET_1627475308000.TAR.GZ 
[12/26/2021 7:41:20 PM] Checking Existing File: 5U5T-14G391-CP_1626959995000.TAR.GZ 
[12/26/2021 7:41:20 PM] Copying: 5U5T-14G391-CP_1626959995000.TAR.GZ 
[12/26/2021 7:41:31 PM] Validating: 5U5T-14G391-CP_1626959995000.TAR.GZ 
[12/26/2021 7:41:32 PM] Copied: 5U5T-14G391-CP_1626959995000.TAR.GZ 
[12/26/2021 7:41:32 PM] Checking Existing File: 4U5T-14G421-CJD_1615428865000.TAR.GZ 
[12/26/2021 7:41:32 PM] Copying: 4U5T-14G421-CJD_1615428865000.TAR.GZ 
[12/26/2021 7:41:52 PM] Validating: 4U5T-14G421-CJD_1615428865000.TAR.GZ 
[12/26/2021 7:41:53 PM] Copied: 4U5T-14G421-CJD_1615428865000.TAR.GZ 
[12/26/2021 7:41:53 PM] Checking Existing File: 4U5T-14G421-CHD_1615428793000.TAR.GZ 
[12/26/2021 7:41:53 PM] Copying: 4U5T-14G421-CHD_1615428793000.TAR.GZ 
[12/26/2021 7:42:22 PM] Validating: 4U5T-14G421-CHD_1615428793000.TAR.GZ 
[12/26/2021 7:42:24 PM] Copied: 4U5T-14G421-CHD_1615428793000.TAR.GZ 
[12/26/2021 7:42:24 PM] Checking Existing File: 4U5T-14G421-CGD_1615428721000.TAR.GZ 
[12/26/2021 7:42:24 PM] Copying: 4U5T-14G421-CGD_1615428721000.TAR.GZ 
[12/26/2021 7:42:57 PM] Validating: 4U5T-14G421-CGD_1615428721000.TAR.GZ 
[12/26/2021 7:42:59 PM] Copied: 4U5T-14G421-CGD_1615428721000.TAR.GZ 
[12/26/2021 7:42:59 PM] Checking Existing File: 4U5T-14G421-CFD_1615428639000.TAR.GZ 
[12/26/2021 7:42:59 PM] Copying: 4U5T-14G421-CFD_1615428639000.TAR.GZ 
[12/26/2021 7:43:31 PM] Validating: 4U5T-14G421-CFD_1615428639000.TAR.GZ 
[12/26/2021 7:43:33 PM] Copied: 4U5T-14G421-CFD_1615428639000.TAR.GZ 
[12/26/2021 7:43:33 PM] Checking Existing File: 4U5T-14G421-CED_1615428554000.TAR.GZ 
[12/26/2021 7:43:33 PM] Copying: 4U5T-14G421-CED_1615428554000.TAR.GZ 
[12/26/2021 7:44:04 PM] Validating: 4U5T-14G421-CED_1615428554000.TAR.GZ 
[12/26/2021 7:44:07 PM] Copied: 4U5T-14G421-CED_1615428554000.TAR.GZ 
[12/26/2021 7:44:07 PM] Checking Existing File: 4U5T-14G421-CDD_1615428467000.TAR.GZ 
[12/26/2021 7:44:07 PM] Copying: 4U5T-14G421-CDD_1615428467000.TAR.GZ 
[12/26/2021 7:44:44 PM] Validating: 4U5T-14G421-CDD_1615428467000.TAR.GZ 
[12/26/2021 7:44:47 PM] Copied: 4U5T-14G421-CDD_1615428467000.TAR.GZ 
[12/26/2021 7:44:47 PM] Checking Existing File: 4U5T-14G421-CCD_1615428361000.TAR.GZ 
[12/26/2021 7:44:47 PM] Copying: 4U5T-14G421-CCD_1615428361000.TAR.GZ 
[12/26/2021 7:45:18 PM] Validating: 4U5T-14G421-CCD_1615428361000.TAR.GZ 
[12/26/2021 7:45:21 PM] Copied: 4U5T-14G421-CCD_1615428361000.TAR.GZ 
[12/26/2021 7:45:21 PM] Checking Existing File: 4U5T-14G421-CBD_1615428261000.TAR.GZ 
[12/26/2021 7:45:21 PM] Copying: 4U5T-14G421-CBD_1615428261000.TAR.GZ 
[12/26/2021 7:45:54 PM] Validating: 4U5T-14G421-CBD_1615428261000.TAR.GZ 
[12/26/2021 7:45:56 PM] Copied: 4U5T-14G421-CBD_1615428261000.TAR.GZ 
[12/26/2021 7:45:56 PM] Checking Existing File: 4U5T-14G421-CAD_1615428059000.TAR.GZ 
[12/26/2021 7:45:56 PM] Copying: 4U5T-14G421-CAD_1615428059000.TAR.GZ 
[12/26/2021 7:46:28 PM] Validating: 4U5T-14G421-CAD_1615428059000.TAR.GZ 
[12/26/2021 7:46:30 PM] Copied: 4U5T-14G421-CAD_1615428059000.TAR.GZ 
[12/26/2021 7:46:30 PM] Checking Existing File: 4U5T-14G424-CD_1616778089000.TAR.GZ 
[12/26/2021 7:46:30 PM] Copying: 4U5T-14G424-CD_1616778089000.TAR.GZ 
[12/26/2021 7:46:30 PM] Validating: 4U5T-14G424-CD_1616778089000.TAR.GZ 
[12/26/2021 7:46:30 PM] Copied: 4U5T-14G424-CD_1616778089000.TAR.GZ 
[12/26/2021 7:46:30 PM] Checking Existing File: 4U5T-14G422-CAJ_1626961442000.TAR.GZ 
[12/26/2021 7:46:30 PM] Copying: 4U5T-14G422-CAJ_1626961442000.TAR.GZ 
[12/26/2021 7:47:09 PM] Validating: 4U5T-14G422-CAJ_1626961442000.TAR.GZ 
[12/26/2021 7:47:12 PM] Copied: 4U5T-14G422-CAJ_1626961442000.TAR.GZ 
[12/26/2021 7:47:12 PM] Checking Existing File: 4U5T-14G422-CBJ_1626962550000.TAR.GZ 
[12/26/2021 7:47:12 PM] Copying: 4U5T-14G422-CBJ_1626962550000.TAR.GZ 
[12/26/2021 7:47:35 PM] Validating: 4U5T-14G422-CBJ_1626962550000.TAR.GZ 
[12/26/2021 7:47:36 PM] Copied: 4U5T-14G422-CBJ_1626962550000.TAR.GZ 
[12/26/2021 7:47:36 PM] Checking Existing File: 4U5T-14G422-CCJ_1626963400000.TAR.GZ 
[12/26/2021 7:47:36 PM] Copying: 4U5T-14G422-CCJ_1626963400000.TAR.GZ 
[12/26/2021 7:47:53 PM] Validating: 4U5T-14G422-CCJ_1626963400000.TAR.GZ 
[12/26/2021 7:47:54 PM] Copied: 4U5T-14G422-CCJ_1626963400000.TAR.GZ 
[12/26/2021 7:47:54 PM] Generating reformat.lst
[12/26/2021 7:47:54 PM] Generating autoinstall.lst
[12/26/2021 7:47:54 PM] ALL FILES DOWNLOADED AND COPIED TO THE USB DRIVE SUCCESSFULLY!
1 Like

Did you perform a master reset of the Sync system after the upgrade?
You should delete the vehicle from the phone, power reboot the phone, then re-pair to the vehicle. Apple stores cache for CarPlay connections and the cache needs to be wiped. Most of the time this will clear up issues like this.
This is probably similar to the skipping audio when listening from mp3. This has never been solved.

Yeah unfortunately I tried all that and the problem is still there