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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (2.4L - DTCS P1607 To U1418) >> Diagnosis And Testing >> U0140-Lost Communication With Body Control Module (BCM) >> 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.

ACTIVE DTC 

NOTE:

For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

  1. Ignition on, engine not running.
  2. With a scan tool, select View DTCs.

    Is the status Active for this DTC?

    Yes 

    • Refer to DIAGNOSIS AND TESTING and perform the No Response From the Body Control Module (BCM) diagnostic procedure.

    No 

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