VIN MSG NOT RECEIVED

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    If the Body Control Module (BCM) either fails to receive a VIN message within 1 second or the VIN message contains signal not available (SNA) information.


Possible Causes
  
WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE
  
DTCs RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
  
CAN C BUS CIRCUITS OPEN OR SHORTED
  
ECM OR PCM DTCs PRESENT
  
ECM OR PCM
  
BCM
  



Diagnostic Test

1.VERIFY DTC IS ACTIVE






Does this DTC reset?

Yes
  • Go To 2


No

2.CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCs


NOTE: Check for CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.



Does the scan tool display any active DTCs related to the conditions listed above?

Yes
  • Diagnose and repair the DTC(s). Refer to the Table of Contents in the applicable Section.


No
  • Go To 3

3.CHECK IF ECM OR PCM DTCs ARE PRESENT



Are any DTCs present?

Yes


No
  • Go To 4

4.CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCs



Is there more than one module with active DTCs “Logged Against” the ECM or PCM?

Yes
  • Replace/update the ECM or PCM in accordance with the service information.
  • Perform POWERTRAIN VERIFICATION TEST. Refer to 9 - ENGINE - DIAGNOSIS AND TESTING.


No
  • Using the schematics as a guide, check the BCM pins, terminals, and connectors for corrosion, damage, and terminal push out. Pay particular attention to all Communication circuits. If no problems are found, replace and program the BCM in accordance with the Service Information.
  • Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).