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2010 Cadillac Truck SRX FWD V6-3.0L Page 624

2010 Cadillac Truck SRX FWD V6-3.0L Page 624



DTC B3120 05



- Keyless Entry Antenna 2 High Voltage/Open



Diagnostic Fault Information



Circuit/System Description



The passenger front door handle antenna is located in the passenger front door handle assembly and is used to establish low frequency



communications with the keyless entry transmitter. As a vehicle with locked doors is approached with a keyless entry transmitter and the exterior



door handle is pulled, the keyless entry control module communicates with the passenger front door handle keyless entry antenna.



Conditions for Running the DTC



* The touch pad in the passenger front door handle is touched within 15 minutes of the last change of door ajar status for any door.



* The front or rear door handle on the passenger side is pulled.



Conditions for Setting the DTC



B3120 02



The keyless entry control module detects a short to ground on the passenger front door keyless entry antenna signal circuit.



B3120 05



The keyless entry control module detects a short to B+ or an open on the passenger front door keyless entry antenna signal circuit.



Action Taken When the DTC Sets



Doors will not unlock when front passenger handle is pulled. Doors will not lock with passenger touch pad.



Conditions for Clearing the DTC



* A current DTC will clear when the conditions for setting the DTC are no longer present.



* A history DTC will clear after 40 malfunction-free ignition cycles.



Reference Information



Schematic Reference



Remote Function Schematics (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Keyless Entry



Transmitter/Diagrams/Electrical Diagrams)



Connector End View Reference



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



Description and Operation



Keyless Entry System Description and Operation (without ATH) (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless



Entry/Description and Operation/Keyless Entry System (without ATH))Keyless Entry System Description and Operation (with ATH) (See:



Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Description and Operation/Keyless Entry System (with ATH))



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

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