2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 483

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 483

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

Description and Operation

Retained Accessory Power Description and Operation (See: Power and Ground Distribution/Description and Operation/Retained Accessory Power

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 Testing

1. Ignition ON, verify DTC B1475 is set as current.

瀚慖f DTC B1475 is not set as current, operate the vehicle within the Conditions for Setting the DTC.

Note: When cycling the ignition, keep ignition OFF for 5 seconds before checking for current DTC.

2. Disconnect each of the following components one at a time. The components may be disconnected in any order. After each component is

disconnected, cycle the ignition and verify DTC B1475 remains set as current.

* Sunroof module (with RPO CF5)

* Mobile radio relay A (with RPO 9L4)

瀚慖f DTC B1475 does not remain set as current, test or replace the last component that was disconnected.

3. With all components disconnected, cycle the ignition and verify DTC B1475 is not set as current.

瀚慖f DTC B1475 remains set as current, test the accessory voltage circuit for a short to ground. If the circuit tests normal, replace the BCM.

Repair Instructions

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

* Instrument Panel Electrical Center or Junction Block Replacement - Left Side (See: Maintenance/Fuses and Circuit Breakers/Fuse

Block/Service and Repair/Removal and Replacement/Instrument Panel Electrical Center or Junction Block Replacement - Left Side)

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

B1516

DTC B1516

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 Descriptors

DTC B1516 08

- Battery Current Sensor Performance Signal Invalid

DTC B1516 66

- Battery Current Sensor Performance Wrong Mounting Position