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HOMESERVICE MANUALSJEEP2014COMPASS LIMITED, AWD, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSINTRUSION TRANSCEIVER MODULE (ITM) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1A3D-SIREN BATTERY TAMPER / LOSS OF POWER SUPPLYDIAGNOSTIC TEST
2014 Jeep Compass Limited, AWD, Automatic CVT Trans

Diagnostic Test

2014 Jeep Compass Limited, AWD, Automatic CVT TransSECTION Diagnostic Test
  1. INSPECT SIREN HARNESS 
    1. Inspect the wiring harness to the siren for any signs of tampering or intermittent condition.

      Were there any problems found?

      Yes 

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

      No 

      • Go To  2
  2. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition off and remove the key from the ignition.
    2. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
    3. Disarm the VTSS.
    4. Using the scan tool, read the ITM DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  3

      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.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  3. CHECK THE (A414) FUSED B(+) CIRCUIT AT THE SIREN 
    Fig 1: Checking Fused B(+) Circuit At The Siren
    GC0099703Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Siren harness connector.
    3. Using a 12-volt test light connected to ground, check the (A414) Fused B(+) circuit at the siren harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Go To  4

      No 

      • Repair the (A414) Fused B(+) circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  4. CHECK THE (Z909) GROUND CIRCUIT AT THE SIREN 
    Fig 2: Checking Ground Circuit At The Siren
    GC0099704Courtesy of CHRYSLER GROUP, LLC
    1. Using a 12-volt test light connected to 12-volts, check the (Z909) Ground circuit at the siren harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Replace the Siren in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

      No 

      • Repair the (Z909) Ground circuit for an open.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.