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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 ((Electronic Shift Module (ESM) - Electrical Diagnostics - Automatic Transmission)) >> DTC Troubleshooting >> U0100-87-Lost Communication With ECM/Pcm - Missing Message

U0100-87-Lost Communication With ECM/Pcm - Missing Message

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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