2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1116

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1116

* The ignition is ON.

* The 12 V battery voltage is 9-18 V.

Conditions for Setting the DTC

P0AAF and P0AB4

The hybrid battery pack air temperature sensor 1 or 2 is less than -40掳C (-40掳F).

P0AAE and P0AB3

The hybrid battery pack air temperature sensor 1 or 2 is greater than 95掳C (203掳F).

P0AAD

The hybrid battery cooling fan is ON and the difference between sensor 1 and 2 is greater than 10掳C (50掳F) difference for 9 seconds.

P0AB2

The hybrid battery cooling fan is ON and the outlet air temperature is greater than maximum hybrid battery temperature value by 10掳C (50掳F) for 9

seconds.

Action Taken When the DTC Sets

* DTCs P0AAD, P0AAE, P0AAF, P0AB2, P0AB3, and P0AB4 are type B DTCs.

* The drive motor generator battery sends a message to the hybrid powertrain control module to reduce the power by 50 percent.

Conditions for Clearing the DTC

DTCs P0AAD, P0AAE, P0AAF, P0AB2, P0AB3, and P0AB4 are type B DTCs.

Reference Information

Schematic Reference

Hybrid Cooling Schematics ()

Connector End View Reference

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

Description and Operation

Drive Motor Generator Battery Cooling Description ()

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)

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code

(DTC) Type Definitions)

Scan Tool Reference

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

Special Tools

EL-48900 HEV Safety Kit

Circuit/System Verification

1. Verify that DTC P0A80, P0A81 or P0BBD is not set.

瀚慖f any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble Code

Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).