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Home >> Jeep >> 2013 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 ((Electronic Pedestrian Protection (EPP) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> U0140-00-Lost Communication With Body Control Module >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY IF THE DTC IS ACTIVE 

NOTE:

Make sure the battery is fully charged before performing any diagnostic procedure.

With the scan tool, refer to the Network Review Screen to display a high level view of the vehicle communication network. Modules shown in red are problem areas.

Always diagnose any Body Control Module (BCM) DTCs first before proceeding.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs.

    Does the scan tool display this DTC as active?

    Yes 

    No