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2010 Cadillac Truck SRX AWD V6-3.0L Page 751

2010 Cadillac Truck SRX AWD V6-3.0L Page 751



Instructions)provides an overview of each diagnostic category.



DTC Descriptor



DTC B3976 00



- Unconfigured Transponder



Circuit/System Description



When the body control module (BCM) is in the learn coded key state, the BCM checks the current key to ensure it has been configured as a proper



vehicle key.



Conditions for Running the DTC



* Ignition is in the Accessory or Run position.



* The BCM is in the learn coded key state.



Conditions for Setting the DTC



The BCM has determined the current key is not configured as a proper vehicle key.



Action Taken When the DTC Sets



* Vehicle starting will be disabled.



* The security indicator in the instrument cluster will be illuminated. A service message will be displayed in the driver information center.



Conditions for Clearing the DTC



* A current DTC will be cleared when the BCM detects a properly configured vehicle key.



* A history DTC will be cleared after 100 malfunction-free ignition cycles or when a scan tool is used to clear DTCs.



Reference Information



Schematic Reference



Immobilizer Schematics (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Diagrams/Electrical Diagrams/Immobilizer



Schematics)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Immobilizer Description and Operation (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Description and



Operation/Immobilizer)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning)for scan tool information



Circuit/System Verification



While viewing DTCs with a scan tool, attempt to start the vehicle using all of the available keys. The vehicle should start with all available keys.



If any key results in inoperative starting and DTC B3976 setting as current, replace the appropriate key.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



Replacing Keys (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Service and Repair/Replacing Keys)

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