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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1662 (5.7L - DTCS P2271 To U1440 - 2500 Hd) >> DTC Troubleshooting >> U0143-Lost Communication With Multi-Purpose Module >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2017 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.

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