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Home >> Chrysler >> 2004 >> Pacifica AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures - HVAC, Ignition Power Accessory, Instrument Cluster, Interior Lighting, Navigation, Overhead Console, Power Door Locks/RKE >> Navigation >> Symptom: BCM MESSAGES NOT RECEIVED >> Diagnostic Procedure

Diagnostic Procedure

BCM MESSAGES NOT RECEIVED - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 With the DRBIII®, erase DTCs.
Cycle the ignition switch from on to off and then back to on
Turn the Navigation System on and try to select a location.
With the DRBIII®, read DTCs.
Does the DRBIII® display BCM MESSAGES NOT RECEIVED?
  1. No: The condition is not present at this time. Monitor DRBIII® parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSBs) that may apply. Visually inspect the related wiring harness and connector terminals.

    Perform BODY VERIFICATION TEST VER-1 .

  2. Yes: Go To 2
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2 Turn the ignition on.
With the DRBIII®, attempt to communicate with the BCM.
With the DRBIII®, read DTCs.
NOTE: If there are any BCM DTCs present, diagnose and repair them before proceeding with this test.

Was the DRBIII® able to communicate with the BCM?
  1. Yes: Replace the Navigation Unit in accordance with the Service Information.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Refer to 10.6 COMMUNICATION for the related symptom(s).

    Perform BODY VERIFICATION TEST VER-1 .

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