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

Set Condition:

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

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