2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 710

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 710

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)

Description and Operation

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

Operation/Immobilizer Description and Operation)

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

Important: When performing the 10-Minute Vehicle Key Relearn Procedure, all keys not learned at that time will be erased and not be

recognized. Perform the Adding Keys procedure on all keys or instruct the customer how to perform the Adding Keys procedure should

all keys not be present at the time of repair.

1. Verify DTC B3055 is not set.

瀚慖f the DTC is set, refer to DTC B3055 (See: B Code Charts/B3055).

2. Verify the scan tool TDM Learn Coded Key parameter displays Yes.

瀚慖f not the specified value, 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)).

3. 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)). The TDM should

exit the learn coded key state and DTC B3031 should clear.

瀚慖f the TDM does not exit the learn coded key state after the programming attempt, replace the TDM.

Repair Instructions

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

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

B3055

DTC B3055

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.