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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Driver Door Module (DDM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1803-Driver Door Lock/Unlock Switch Circuit Stuck Lock >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

If this vehicle is equipped with the Memory System, the supply circuit for the Memory Mirrors are supplied by the Driver Door Module. Therefore, both the Memory Select Switch MUX or the Door Lock Switch MUX circuits can cause this DTC to set.