DTC U2101: Control Module Configuration Incompatible: Action
CHECK the vehicle history for recent service actions related to the IPC. If there have been recent service actions with the IPC, REPEAT the PMI procedure as directed by the diagnostic scan tool. If there have been no recent service actions related to the IPC, REFER to appropriate Instrumentation, Message Center and Warning Chime article and DIAGNOSE any IPC concerns. REFER to appropriate Module Configuration article. TEST the system for normal operation.