Sunday, June 7, 2020

2010 Cadillac Truck Escalade RWD V8-6.2L Page 1462

2010 Cadillac Truck Escalade RWD V8-6.2L Page 1462

* X1 B+ (300 V) cable

* X2 ground (300 V) cable

瀚慖f less than the specified value, replace the high voltage cables.

12. Ignition ON, command the negative and positive contactors and the current limit relay ON and OFF with a scan tool. Listen for the contactors

and relay to turn ON and OFF.

瀚慖f the negative contactor, positive contactor or the current limit relay does not turn ON and OFF, refer to High Voltage Contactor/Relay

Malfunction ().

13. Ignition OFF, visually inspect and test the drive motor generator battery internal high voltage DC cables and connections for a short to

ground or an open/high resistance condition.

瀚慖f a short to ground or an open/high resistance condition is found on the high voltage cables or connection points, replace the drive motor

generator battery cable.

14. If all the circuit tests normal, replace the drive motor generator battery assembly.

Repair Instructions

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

* Drive Motor Battery Negative Relay Cable Replacement ()

* Drive Motor Battery Positive Relay Cable Replacement ()

* Drive Motor Battery Positive and Negative Cable Replacement ()

* Drive Motor Battery 300-Volt Positive and Negative Cable Replacement ()

* Control Module References (See: Testing and Inspection/Programming and Relearning) for drive motor generator battery control module,

drive motor generator power inverter module, air conditioning control module assembly replacement, setup and programming

P1ABE

DTC P0A7E or P1ABE

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 P0A7E

- Hybrid Battery Pack Overtemperature

DTC P1ABE

- Battery Energy Control Module Hybrid Battery Pack Overtemperature

Diagnostic Fault Information

Typical Scan Tool Data