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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> U0121-Lost Communication With Antilock Brake Module >> Possible Causes

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Possible Causes

Refer to DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.

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