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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 1897 (8HP75 Automatic Transmission - DTCS P1D91-00 To U1477-00 - 2500HD & 3500HD) >> DTC Troubleshooting >> U0120-00-Lost Communication With Starter/Generator Control Module

U0120-00-Lost Communication With Starter/Generator Control Module

WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The COMMUNICATION DIAGNOSTIC PROCEDURE MUST  be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .