Tuesday, October 8, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 630


Scan Tool Reference



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



Circuit/System Verification



Important: When using this diagnostic, more than one vehicle key is required to ensure proper diagnosis. If more than one key is not



available at the time of service, contact the customer and ask if any other keys can be provided for service. If unavailable, a new second key



can be created.



1. Perform the 10-Minute Vehicle Key Relearn procedure. Refer to Replacing Keys (North America except Canada) (See: Accessories and



Optional Equipment/Antitheft and Alarm Systems/Service and Repair/Replacing Keys (North America Except Canada)).



2. While viewing the scan tool TDM Valid Key parameter, turn ON the ignition with each of the available vehicle keys. The parameter should



read Yes with all available keys.



锟斤拷 If not the specified value, replace the appropriate key.



Repair Instructions



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



* Replacing Keys (North America except Canada) (See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Service and



Repair/Replacing Keys (North America Except Canada))



* Control Module References (See: Testing and Inspection/Programming and Relearning) for TDM replacement, setup, and programming



B3105



DTC B3105



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptor



DTC B3105



- Keyless Entry System Key Fobs Not Programmed



Circuit/System Description



The remote control door lock receiver (RCDLR) monitors the number of keyless entry transmitters programmed. Until at least one transmitter is



programmed, the RCDLR determines a malfunction condition exists.



Conditions for Running the DTC



The keyless entry system must be enabled.



Conditions for Setting the DTC



The DTC is set if there are no keyless entry transmitter programmed to the RCDLR.



Action Taken When the DTC Sets



The keyless entry system is inoperative.



Conditions for Clearing the DTC



A current DTC is cleared at least one transmitter has been programmed to the RCDLR.



Reference Information



Schematic Reference



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



Transmitter/Diagrams/Electrical Diagrams)

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