2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 469

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 469

The ignition is turned from OFF to ON.

Conditions for Setting the DTC

* The SOC at key-on is 30 percent less than it was when the engine was last running.

* The average battery current was less than -2 amps when the ignition was OFF.

Action Taken When the DTC Sets

No actions are taken.

Conditions for Clearing the DTC

* The DTC will clear when the SOC is greater than or equal to 80 percent.

* A history DTC clears after 50 consecutive ignition cycles that the diagnostic runs and does not fail.

Reference Information

Schematic Reference

Starting and Charging Schematics (See: Starting and Charging/Diagrams/Electrical Diagrams)

Connector End View Reference

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

Description and Operation

Charging System Description and Operation (See: Starting and Charging/Charging System/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

Refer to Battery Electrical Drain/Parasitic Load Test (See: Starting and Charging/Testing and Inspection/Component Tests and General

Diagnostics/Battery Electrical Drain/Parasitic Load Test).

Repair Instructions

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

Engine Electrical - Hybrid (HP2)

DTC B1527

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 B1527 00

- High Parasitic Load - 12V