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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electronic Shift Module (ESM) - Electrical Diagnostics >> DTC Troubleshooting >> U0121-Lost Communication With Anti-Lock Brake Module >> Set Condition:
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Set Condition:

Bus messages not received from the Body Control Module (BCM) for approximately two to five seconds.