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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 ((Integrated Trailer Brake Module (ITBM) - Electrical Diagnostics - 1500, 2500 & 3500)) >> DTC Troubleshooting >> U0121-00-Lost Communication With Antilock Brake System (Abs) Control Module >> When Monitored:

When Monitored:

WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Continuously when the ignition is on.

The battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.