2014 Chevrolet Tahoe SSVFACTORY OEM SERVICE PROCEDURE

Electronic Power Steering Motor Control Module Replacement

Fig 1: Electronic Power Steering Motor Control Module
GM1969455Courtesy of GENERAL MOTORS COMPANY
Electronic Power Steering Motor Control Module Replacement

Callout Component Name
WARNING:

On Hybrid, 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. On Hybrid, Perform the high voltage disabling procedure.
  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)
CAUTION:

Refer to Fastener Caution .


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..
  3. After enabling the high voltage system, perform the power steering control module setup procedure..
Factory Service Tools

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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.