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Home >> Jeep >> 2017 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 498 ((Steering Column Control Module (SCCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U0100-00-Lost Communication With ECM/Pcm

U0100-00-Lost Communication With ECM/Pcm

WARNING: This page is about a different car, the 2016 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION PRE-DIAGNOSTIC PROCEDURE .

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