LEMON Manuals
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Jeep
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2011
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Compass Base, 2.0 A, Automatic CVT
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Repair and Diagnosis
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Transmission
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Transmission Control Systems
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(Transmission Control Module (TCM) - Electrical Diagnostics)
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DTC Troubleshooting
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U1401-Implausible Engine 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.