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Home >> Jeep >> 2019 >> Wrangler Unlimited Moab >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P2504 To U047F >> DTC Troubleshooting >> U0140-Lost Communication With Body Control Module

U0140-Lost Communication With Body Control Module

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 .