Operation CHARM: Car repair manuals for everyone.
Home >> GMC >> 2008 >> Yukon 4WD V8-6.0L Hybrid >> Repair and Diagnosis >> Starting and Charging >> Relays and Modules - Starting and Charging >> Charging System Control Module >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Charging System Control Module: Service and Repair



Generator Control Module Ground Strap Replacement

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.

Removal Procedure




1. Remove the drive motor generator control module.
2. Remove the drive motor generator control module ground strap bolt (1) and strap (2).

Installation Procedure




1. Position the ground strap (2) to the drive motor generator control module.

Notice: Refer to Fastener Notice.

2. Install the ground strap bolt (1).

Tighten the bolt to 9 N.m (80 lb in).

3. Install the drive motor generator control module.
pro multis · About Operation CHARM