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HOMESERVICE MANUALSCADILLAC2009ESCALADE ESV AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 145 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSELECTRONIC POWER STEERING MOTOR CONTROL MODULE REPLACEMENT
2009 Cadillac Escalade ESV AWD

Electronic Power Steering Motor Control Module Replacement

2009 Cadillac Escalade ESV AWDSECTION Electronic Power Steering Motor Control Module Replacement
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Electronic Power Steering Motor Control Module, Mounting Bracket & Bolts
GM1969455Courtesy of GENERAL MOTORS CORP.
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. Perform the high voltage disabling procedure. Refer to High Voltage Disabling .
  2. Remove the drive motor generator control module. Refer to Drive Motor Generator Control Module Assembly Replacement .
1 Electronic Power Steering Control Module Bolt (Qty: 3)
NOTE: Refer to Fastener Notice .

Tighten:  9 N.m (80 lb in)
2 Electronic Power Steering Control Module

Procedure

  1. Disconnect any electrical connectors as needed.
  2. After repairs, perform the high voltage system connect procedure. Refer to High Voltage Enabling .
  3. After enabling the high voltage system, perform the power steering control module setup procedure. Refer to Power Steering Control Module Programming and Setup .
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.