LEMON Manuals
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Jeep
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2012
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Compass Limited, AWD, Standard
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Transmission Control Module (TCM) - Electrical Diagnostics
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DTC Troubleshooting
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U1412-Implausible Vehicle Speed Signal Received
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Theory Of Operation
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Theory Of Operation
The Transmission Control Module (TCM) receives Engine rpm over the CAN Bus.