2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1242

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1242

* Proper terminal retention in the connector

* Foreign material or moisture

瀚慠epair, replace or clean the connector as appropriate.

4. Reconnect all connectors and test drive the vehicle.

瀚慖f the DTC sets, replace the applicable drive motor generator and retest for DTCs. If the DTC sets, replace the PIM.

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 PIM replacement, setup and programming

* Drive Motor with Generator Assembly Removal - 2nd Position (See: Transmission and Drivetrain/Automatic

Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/13. Drive Motor with Generator Assembly Removal

- 2nd Position)

* Transmission Control Wiring Harness Extension Harness Removal (See: Transmission and Drivetrain/Automatic

Transmission/Transaxle/Service and Repair/Overhaul/2ML70 - Automatic Transmission/5. Transmission Control Wiring Harness Extension

Harness Removal)

P0A78

DTC P0A78 or P0A79

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 P0A78

- Drive Motor 1 Inverter Performance

DTC P0A79

- Drive Motor 2 Inverter Performance

Circuit/System Description