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Home >> Jeep >> 2015 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Wireless Control Module (WCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0100-Lost Communication With The ECM/Pcm >> When Monitored:

When Monitored:

WARNING: This page is about a different car, the 2012 Jeep Liberty. 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.