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Removal Procedure

    WARNING:

    Always ensure the Battery Maintenance Mode is inactive before disconnecting the low voltage 12 volt battery (or batteries). This mode can be active with the ignition off, regardless of whether the vehicle charging cord is plugged in or not. When this mode is active, the on-board high voltage battery charger(s) will energize the 12 volt battery cables and charge the 12 volt battery (or batteries). Disconnecting any battery cables while this mode is active may result in an electrical shock or a burn from hot battery cable leads.

  1. Check the 12 volt battery voltage with a digital multimeter before disconnecting any battery cables leads. If the voltage is 13.5 volts or above, the Battery Maintenance Mode is active. The technician must wait for the T18 battery charger to deactivate before disconnecting the battery negative cable. Charging System Description and Operation
  2. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  3. Remove the right rear tire and wheel assembly. Tire and Wheel Removal and Installation
  4. GM6305013Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Rear Wheelhouse Panel Rear Liner - Right Side (1) - Remove - Rear Wheelhouse Panel Rear Liner Replacement

  5. GM6456373Courtesy of GENERAL MOTORS COMPANY

    Disconnect the suspension control module wire harness connector (1).

  6. GM6456378Courtesy of GENERAL MOTORS COMPANY

    Electronic Suspension Control Module Bracket Nut (1) - Remove [3x]

  7. Suspension Control Module (2) - Remove