DTC U2101: Control Module Configuration Incompatible: 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 due to incomplete or improper PMI procedures. CARRY OUT the PMI procedure. FOLLOW all diagnostic scan tool directions. CARRY OUT the IVD Initialization procedure, FOLLOW all diagnostic scan tool directions. CLEAR the DTC. CARRY OUT the SASM self-test. RETRIEVE and RECORD all SASM DTCs. If the DTC does not return, the repair is complete. If the DTC returns, INSTALL a new SASM - clockspring assembly. REFER to the appropriate Removal and Installation procedure in the Supplemental Restraint System article.