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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-Lost Communication With Anti-Lock Brake Module >> When Monitored:
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When Monitored:

Continuously when the ignition is on.

The battery voltage between 10.0 and 16.0 Volts.

Body Control Module (BCM) is configured correctly.