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Home >> Jeep >> 2014 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 258 ((Transmission Control Module (TCM) - Electrical Diagnostics - Continuously Variable Transmission (CVT))) >> DTC Troubleshooting >> U1412-Implausible Vehicle Speed Signal Received >> Theory Of Operation
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Theory Of Operation

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

The Transmission Control Module (TCM) receives Engine rpm over the CAN Bus.