Technical Service Bulletin 21B09 S2 — 2017 FORD FUSION ENERGI

Certain 2014-2020 Model Year Multiple Vehicle Lines 3G Telematics Control Unit to 4G Upgrade Kit REASON FOR THIS SUPPLEMENT Program Terms & Urgency / Expiration Date: Program extension until July 31, 2023. Service Action: o IDS level 128 or higher is now required to address various programming issues encountered. o C-MAX Energi vehicles are now serviceable with new software and hardware. Labor Allowances: C-MAX labor has been updated. Parts Requirements / Ordering Information: o The C-MAX 4G Upgrade Kit is now orderable at this time with a new part number. o MKX Rear seat backrest nut claim quantity updated. Technical Information updates: o Ensure IDS level 128 or higher is used. o Toggling Valet Mode is no longer required. o C-MAX Energi instructions are now available. Owner Notification: Non-repaired vehicle owners will be mailed the week of April 17, 2023. Pickup and Delivery: Added Customer Acknowledgement Form - Review form contents with customer prior to kit ordering and obtain customer signature prior to installation for Focus BEV, C-MAX, and Fusion Energi vehicles.