GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Tahoe - 2WD 🢒 Hybrid 🢒 Hybrid Energy Storage 🢒 Electronic Power Steering Motor Control Module Replacement

Object Number: 1969455 Size: MF

Callout

Component Name

Danger: 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)

Caution: Refer to Fastener Caution in the Preface section.

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.