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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 328 (Radio Frequency (RF Hub) Module - Electrical Diagnostics - 1500) >> Diagnosis And Testing >> U1454-00-Implausible Data Received From The Gated Park Switch >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

When the Radio Frequency Hub (RF Hub) is awake, it sends a 12-volt reference signal on the T824 Transmission (TRS) Park Signal circuit. When that circuit is grounded or ungrounded by the shifter, transmission module or brake shift interlock solenoid (depending on the model) the RF-Hub broadcasts the hard wired park position message on the CAN Bus.

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