Technical Service Bulletin TSB 23-2345 — 2022 FORD F-550 SD

Some 2021-2023 Ford and Lincoln vehicles equipped with SYNC 4 may exhibit the navigation feature in the center display screen only displaying imperial (feet and miles) units and not being able to change to metric (meters and kilometers) units. This may be due to the software level of the SYNC module (APIM). To correct this condition, follow the Service Procedure to update the APIM to the latest software level via a coordinated flash. NOTE: The APIM software update that addresses the symptom listed in this article may have been sent via Ford Power-Up software updates delivered over-the-air (OTA) to connected vehicles that have automatic updates enabled through the center display screen. Enter the vehicle identification number (VIN) in Professional Technician System (PTS) and check the OTA Dashboard under the Connected Vehicle tab for OTA update history. If an update to the APIM has successfully completed recently and the customer is reporting the symptoms are no longer present, this article may not apply.