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Jeep
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2008
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Liberty Sport, 4WD, Part Time, Standard
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Repair and Diagnosis
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Engine Performance
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System
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DTCS P2138 To U110E
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U0121-Lost Communication With Anti-Lock Brake Module
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Set Conditions
Set Conditions
Set Condition:
If the PCM fails to receive bus messages from the ABS M for approximately 500 ms.