GPS not working and clock not correct on Sync 3 retrofit unit.

[F150Chief]

There is a guide that has this information. You will need a paid version of FORScan and a good USB OBD adapter for the firmware.

FORScan Software Version 2.4.x Releases and Information, 2.4.20 beta, 2025-11-10

Added notes below for purchasing the Extended License. FORScan 2.4.20 is a public release. Link to download v2.4.20 beta Changelog (full change history can be found in FORScan.Changelog.2.4.txt available in the FORScan installation folder): 2.4.20 beta, 2025-11-10 v2.3.68 functionality Firmware database update adjusted firmware flash sequence for IPMA Fusion and similar (-14G019-, -14G024-, -14G081-, -14G082-) bug: missing Signal Configuration F108 firmware files (bug appeared in 2.4.1…

FORScan Supported Adapters, Protocols, and Platforms

FORScan Supported Adapters, Protocols, and Platforms NOTE: This information is an excerpt from the FORScan home page. FORScan Home Supported adapters: OBDLink EX USB, recommended USB adapter for Windows version of FORScan, also for configuration and programming functions. ELS27 USB (with firmware 5.6.5 or newer), recommended USB adapter for Windows version of FORScan, also for configuration and programming functions. Other adapters that will function but may have limitations: OBDLink MX+…

APIM Firmware Production Releases

Sync 3 APIM Firmware Production Releases (NA) NOTE: This listing is representative of the production release files for North America. Use the Calibration File Region listing below to determine the proper -14G375- calibration file for your region. POST-MY18.5: 3.4 APIM NAV & NON-NAV Unit Firmware (Production Release, 2021+ L Series) Secondary Boot Loader: GB5T-14G376-AA Strategy (F188): 1U5T-14G374-EM (7/13/2022) Calibration (F124): 1U5T-14G375-DA (NAV) / 1U5T-14G375-CA (NON-NAV) ECU Configu…