GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Captiva Sport 🢒 Hybrid 🢒 Hybrid Energy Storage 🢒 Generator Battery Disconnect Control Module Replacement

Removal Procedure

Caution: To help avoid personal injury, be careful when working in the vicinity of the generator battery disconnect control module. Internal components will still be live, 36V potential, even when the cover has been opened or removed.

  1. Disconnect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .
  2. Remove the generator battery carrier. Refer to Generator Battery Carrier Replacement .

    3. Object Number: 1831947 Size: SH
  3. Remove the 2 generator battery fan bolts (2).
  4. Remove the 12 generator battery cover bolts (1).
  5. Remove the generator battery wiring harness from the clip (3) on the generator battery cover.

    6. Object Number: 1831948 Size: SH
  6. Remove the generator battery cover.

    7. Object Number: 1864889 Size: SH

    Important: Removing the interconnect cables will disable the 36 volts within the generator battery control module.

  7. Remove the generator battery terminal covers (1).
  8. Remove the generator battery cable nuts (2).
  9. Remove the generator battery cable leads (3, 4, 5) from the batteries.
  10. Remove the 3 small wire terminal leads located under the battery cable leads from the batteries.

    11. Object Number: 1998864 Size: SH
  11. Remove the generator battery control module nut (1), and the battery cable (2) from the stud.
  12. Remove the generator battery control module nut (3), and the battery cable (4) from the stud.
  13. Disconnect the generator battery control module electrical connectors (5, 6).

    14. Object Number: 1998867 Size: SH
  14. Remove the generator battery control module bolts (1).
  15. Remove the generator battery control module (2).

Installation Procedure

    Object Number: 1998867 Size: SH
  1. Install the generator battery control module (2).

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the generator battery control module bolts (1).

    3. Tighten
    Tighten the bolts to 8 N·m (71 lb in).


    Object Number: 1998864 Size: SH
  3. Position the generator battery temperature sensor wiring harness and the battery cables to the generator control module.
  4. Connect the generator battery temperature sensor wiring harness electrical connectors (5, 6) to the generator control module.
  5. Install the battery cable (4), and the generator battery control module nut (3) to the stud.

    6. Tighten
    Tighten the nut to 8 N·m (71 lb in).

  6. Install the battery cable (2), and the generator battery control module nut (1) to the stud.

    7. Tighten
    Tighten the nut to 8 N·m (71 lb in).


    Object Number: 1864889 Size: SH
  7. Install the 3 small wire terminal leads to the batteries.
  8. Install the generator battery cable leads (3, 4, 5) to the batteries.
  9. Install the generator battery cable nuts (2).

    10. Tighten
    Tighten the nut to 8 N·m (71 lb in).

  10. Install the generator battery terminal covers (1).

    11. Object Number: 1831948 Size: SH
  11. Install the generator battery cover.

    12. Object Number: 1831947 Size: SH
  12. Install the 12 generator battery cover bolts (1).

    13. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  13. Install the 2 generator battery fan bolts (2).

    14. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  14. Install the generator battery wiring harness to the clip (3) on the generator battery cover.
  15. Install the generator battery carrier. Refer to Generator Battery Carrier Replacement .
  16. Connect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .