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HOMESERVICE MANUALSCADILLAC2011ESCALADE BASE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 9 (HYBRID/EV ENERGY STORAGE SYSTEM)REPAIR INSTRUCTIONSBATTERY ENERGY CONTROL MODULE AND BRACKET REPLACEMENT
2011 Cadillac Escalade Base, AWD

Battery Energy Control Module and Bracket Replacement

2011 Cadillac Escalade Base, AWDSECTION Battery Energy Control Module and Bracket Replacement
WARNING: This page is about a different variant/trim than selected.
Fig 1: Drive Motor Generator Battery Control Module and Bracket
GM1971851Courtesy of GENERAL MOTORS CORP.
Battery Energy Control Module and Bracket Replacement

Callout Component Name
WARNING:

Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

The High Voltage Disabling procedure will perform the following tasks:

  • Identify how to disable high voltage.
  • Identify how to test for the presence of high voltage.
  • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedures

  1. Disable the high voltage at the drive motor generator battery. Refer to High Voltage Disabling .
  2. Remove the upper cover, front cover and the right side cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .
  3. Remove the drive motor battery current sensor. Refer to Drive Motor Battery Current Sensor Replacement .
1 Drive Motor Generator Battery Positive Relay Insulator Nut (Qty: 3)
CAUTION:

Refer to Fastener Caution .


Tighten 
6 N.m (53 lb in)
2 Drive Motor Battery Power Inverter Current Limit Relay Connector
3 Drive Motor Battery Control Module Bracket Bolt (Qty: 2)
Tighten 
5 N.m (44 lb in)
4 Drive Motor Battery Control Module Lower Bracket
5 Drive Motor Battery Control Module Upper Bracket Bolt (Qty: 2)
Tighten 
5 N.m (44 lb in)
6 Drive Motor Battery Control Module Upper Bracket
7 Drive Motor Generator Battery Control Module Assembly

Procedure

  1. Disconnect all connectors from the module.
  2. After the control module assembly has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.