2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1563
* X1 B+ (300 V) cable
* X2 ground (300 V) cable
锟斤拷If 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.
锟斤拷If 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.
锟斤拷If 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
