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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 456 (Antilock Brake System (Abs) - Electrical Diagnostics) >> DTC Troubleshooting >> U0100-Lost Communication With The ECM/Pcm >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.

Ignition run time is greater than one second.

Battery voltage between 9 and 16 volts.

Engine run time greater than three seconds.