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HOMESERVICE MANUALSJEEP2007GRAND CHEROKEE OVERLAND, 5.7 2, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSVEHICLE THEFT SECURITY SYSTEM - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1A3B-SECURITY RECEIVER SENSOR CIRCUIT HIGHDIAGNOSTIC TEST
2007 Jeep Grand Cherokee Overland, 5.7 2, RWD

Diagnostic Test

2007 Jeep Grand Cherokee Overland, 5.7 2, RWDSECTION Diagnostic Test
  1. 1) TEST FOR INTERMITTENT CONDITION 

    Turn the ignition on.

    With the scan tool, record and erase DTC's.

    Turn the ignition off and remove the key from the ignition.

    Close all doors and arm the VTSS and wait two minutes.

    Disarm the VTSS turn the ignition on.

    Turn the ignition on and with the scan tool, read DTC's.

    Does the scan tool display B1A3B-SECURITY RECEIVER SENSOR CIRCUIT HIGH ? 

    Yes 

    1. Go to step  2).

    No 

    1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
    2. Perform BODY VERIFICATION TEST - VER 1 .
  2. 2) CHECK THE (G460) INTRUSION RECEIVER SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE 
    Fig 1: Checking Intrusion Receiver Sensor Signal Circuit
    GC0045701Courtesy of CHRYSLER LLC

    Turn the ignition off.

    Disconnect the Intrusion Sensor Receiver connector.

    Disconnect the Intrusion Transceiver Module connector.

    Measure for voltage between chassis ground and the (G460) Intrusion Receiver Sensor Signal circuit at the Intrusion Transceiver Module connector.

    Is there any voltage present? 

    Yes 

    1. Repair the (G460) Intrusion Receiver Sensor Signal circuit for a short to voltage.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No 

    1. Replace the Intrusion Transceiver Module in accordance with the Service Information.
    2. Perform BODY VERIFICATION TEST - VER 1 .
RENDER: 1.0x

NO RELATED

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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.