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Home >> Jeep >> 2015 >> Compass Limited, AWD, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Intrusion Transceiver Module (ITM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1A3E-Siren / ITM Mismatch >> Diagnostic Test
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Diagnostic Test

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
  1. DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT 
    NOTE:

    Diagnose any related Communication DTCs before continuing.

    1. With a scan tool, read and record DTCs.
    2. With the scan tool, clear DTCs.
    3. Turn the ignition off and remove the key from the ignition.
    4. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
    5. Disarm the VTSS.
    6. Using the scan tool, read DTCs.

      Does the DTC reset?

      Yes 

      • Inspect wiring from ITM to Siren for an intermittent open condition. Check connector terminals for back out, corrosion or loose terminal contact. If OK, Replace the Siren.
      • Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.

      No 

      • Go To  2.
  2. INTERMITTENT CONDITION 
    NOTE:

    Check for any of the follow conditions:

    • Poor wire to terminal connection
    • Corroded terminals
    • Backed out or loose terminals
    • Broken wire internal to the insulation

    Were there any problems found?

    Yes 

    • Repair the wiring as necessary.
    • Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.

    No 

    • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.