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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Intrusion Transceiver Module (ITM) - Electrical Diagnostics >> DTC Troubleshooting >> B1A3A-Security Receiver Sensor Circuit Low >> Diagnostic Test
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Diagnostic Test

  1. TEST FOR INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, record and erase DTCs.
    3. Turn the ignition off and remove the key from the ignition.
    4. Close all doors and arm the VTSS and wait two minutes.
    5. Disarm the VTSS turn the ignition on.
    6. Turn the ignition on and with the scan tool, read DTCs.

      Does the scan tool display B1A3A-SECURITY RECEIVER SENSOR CIRCUIT LOW ?

      Yes 

      • Go to step  2

      No 

  2. INTRUSION SENSOR RECEIVER 
    Fig 1: Identifying Intrusion Sensor Receiver Connector
    GC0101721Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Intrusion Sensor Receiver connector.
    3. Turn the ignition on and with the scan tool, erase DTCs.
    4. Turn the ignition off and remove the key from the ignition.
    5. Close all doors and arm the VTSS and wait two minutes.
    6. Disarm the VTSS turn the ignition on.
    7. With the scan tool, read DTCs.

      Does the scan tool display B1A44-SECURITY RECEIVER SENSOR CIRCUIT OPEN?

      Yes 

      No 

      • Go to step  3
  3. CHECK THE (G460) INTRUSION RECEIVER SENSOR SIGNAL CIRCUIT SHORT TO GROUND 
    Fig 2: Checking Intrusion Receiver Sensor Signal Circuit Short To Ground
    GC0120253Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Intrusion Transceiver Module connector.
    3. Measure the resistance between ground and the (G460) Intrusion Receiver Sensor Signal circuit at the Intrusion Transceiver Module connector.

      Is the resistance below 5.0 ohms?

      Yes 

      No