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Home >> Dodge and Ram >> 2008 >> Durango 3.7 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Wireless Control Module (WCM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1A24-Key Not Programmed >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2009 Dodge Durango and 2009 Chrysler Aspen. However, it is still accessible from the selected car via links, so may be relevant.

When a key is inserted in the ignition switch and is turned to the Run/Start position, the Wireless Control Module (WCM) performs a self-test and re-synchronization routine. During this routine, the WCM interrogates the key, performing various validity and performance tests.