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Home >> Dodge and Ram >> 2021 >> Durango SXT Plus, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 ((Electronic Shift Module (ESM) - Electrical Diagnostics - 8HP70 Automatic Transmission)) >> DTC Troubleshooting >> U0100-00-Lost Communication With ECM/Pcm
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U0100-00-Lost Communication With ECM/Pcm

WARNING: This page is about a different variant/trim than selected.
NOTE:

Perform this diagnostic procedure ONLY when the DTC status is "Active". If the DTC status is "Stored" DO NOT proceed with this diagnostic procedure. A "Stored" DTC will not affect the performance of the vehicle.

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 .

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