LEMON Manuals
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Jeep
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2009
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Liberty Sport, 4WD, Part Time
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission
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DTC Troubleshooting
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U0121-Lost Communication With Anti-Lock Brake Module
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Set Conditions
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Set Conditions
Set Condition:
If the PCM fails to receive bus messages from the ABS M for approximately 500 ms.