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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Hybrid/EV Energy Storage System) >> Repair Instructions >> Generator Control Module Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Inspect the foam seals for tears and leak paths, to ensure they will not compromise the internal air flow through the generator control module assembly.
  2. Fig 1: Generator Control Module
    GM2596567Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Do not slide the generator control module on the foam seals as the seals may become damaged.

  3. Install the generator control module (3) to the support tray studs. Tighten the fastener (1) to 9 N.m (80 lb in).
  4. Tighten the remaining fasteners (2) to 9 N.m (80 lb in).
  5. Fig 2: Drive Motor Battery Wire Junction Block Relay
    GM2680586Courtesy of GENERAL MOTORS COMPANY
  6. Place the drive motor battery wire junction block relay (1) and the battery energy control module wiring junction block (2), on top of the generator control module.
  7. Fig 3: High Voltage Bus Fasteners
    GM2701369Courtesy of GENERAL MOTORS COMPANY
  8. Install the high voltage bus fasteners (1) to the battery energy control module wiring junction block (2) and tighten to 9 N.m (80 lb in).
  9. Fig 4: Drive Motor Battery Wire Junction Block Relay
    GM2680588Courtesy of GENERAL MOTORS COMPANY
  10. Install the battery energy control module wiring junction block fasteners (1) and tighten to 9 N.m (80 lb in).
  11. Install the battery energy control module wiring junction block fasteners (2) and tighten to 9 N.m (80 lb in).
  12. Fig 5: Generator Control Module Connector
    GM2596589Courtesy of GENERAL MOTORS COMPANY
  13. Connect the generator control module connector (1).
  14. Enable the high voltage at the A4 hybrid battery pack. Refer to High Voltage Enabling .
  15. Program the generator control module. Refer to Control Module References .