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

Drive Motor Battery Control Module Harness Replacement

2011 Cadillac Escalade Base, AWDSECTION Drive Motor Battery Control Module Harness Replacement
WARNING: This page is about a different variant/trim than selected.
Fig 1: Drive Motor Battery Control Module Harness
GM1971854Courtesy of GENERAL MOTORS CORP.
Drive Motor Battery Control Module Harness 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 right side cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .
  3. Remove the drive motor battery positive and negative cable assembly. Refer to Drive Motor Battery Positive and Negative Cable Replacement .
1 Drive Motor Battery Control Module Harness Ground Nut (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
5 N.m (44 lb in)
2 Battery Cable Clip
3 Drive Motor Battery Control Module Harness
Procedure 
After the harness has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling .
TIP:  If foam drive motor battery cooling air outlet duct seals are damaged during removal or installation of harness, NEW seals must be used.
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.