LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Jeep
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2012
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Compass Latitude, 2.4 B, AWD, Automatic CVT, CVT2
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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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U0121-Lost Communication With Antilock Brake Module
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
Refer to
DIAGNOSIS AND TESTING
and perform the appropriate diagnostic procedure.