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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1252 (6.4L - DTCS P3400 To U1449 - 2500 Hd & 3500 Hd) >> DTC Troubleshooting >> U0143-Lost Communication With Multi-Purpose Module >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition on for at least five seconds.

Battery voltage between 10 and 16 volts.