DTC U2108: Adaptive Cruise Control: Action
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
This DTC sets when the actual vehicle deceleration monitored by the module exceeds the CCM deceleration maximum request limit by 1.0 meter per second squared. RETRIEVE and DIAGNOSE all CCM DTCs REFER to the appropriate Cruise Control article.