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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Drivetrain Control Module (DTCM) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) >> DTC Troubleshooting >> U0100-Lost Communication With The ECM/Pcm >> 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.

Ignition run time is greater than one second.

Battery voltage between 9 and 16 volts.

Engine run time greater than three seconds.