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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 ((HVAC Systems - Electrical Diagnostics)) >> Electrical Diagnostics >> DTC Troubleshooting >> B1016-Rear Defrost Switch Request Input Circuit Low (ATC) >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

The switch input changes when the switch is pushed down. A stored DTC B1016 indicates that the EBL mode switch was stuck in a pushed position for more than 10 minutes, but has since returned to its normal state. An active DTC B1016 indicates that the EBL mode switch is stuck in a pushed position. An active DTC B1016 will prevent proper EBL mode switch and status indicator function.