TSB SSM-55031 — Ford and Lincoln Service bulletin

SSM-55031 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 14 Ford and Lincoln models across the 2021–2026 model years. NHTSA's summary reads: Some 2021-2026 Ford/Lincoln vehicles may exhibit various symptoms including but not limited to the auto start/stop system not operating as intended with a "Check Charging System" message in the instrument panel cluster (IPC) while the charging system is operating properly with…

NHTSA's file names Ford Bronco (2021–2026); Ford Bronco Sport (2025–2026); Ford Edge (2021–2024); Ford Escape (2023–2026); Ford Expedition (2022–2026); Ford Explorer (2024–2026); Ford F-150 (2021–2026); Ford F-250 (2022–2026); Ford F-350 (2022–2026); Ford Mustang (2024–2026), and 4 more vehicles listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

No. SSM-55031 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-55031, its date, and NHTSA's own summary from the public file.