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Home >> Jeep >> 2017 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 ((Drivetrain Control Module (DTCM) - 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 2017 Jeep Cherokee. 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 STANDARD PROCEDURE .

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