Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1311 (HYBRID ENERGY STORAGE SYSTEM)REPAIR INSTRUCTIONSDRIVE MOTOR GENERATOR BATTERY CONTROL MODULE AND BRACKET REPLACEMENT

2006 Chevrolet Suburban K2500, 6.0 U

Drive Motor Generator Battery Control Module and Bracket Replacement

2006 Chevrolet Suburban K2500, 6.0 USECTION Drive Motor Generator Battery Control Module and Bracket Replacement

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Drive Motor Generator Battery Control Module and Bracket

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
WARNING: 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: Disable the high voltage at the drive motor generator battery. Refer to High Voltage Disabling . Remove the upper cover and the right side cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement . Remove the drive motor battery positive high voltage contactor relay assembly. Refer to Drive Motor Battery Positive High Voltage Contactor Relay Replacement . Remove the drive motor battery inverter current limit resistor. Refer to Drive Motor Battery Inverter Current Limit Resistor Replacement . Remove the drive motor battery power inverter current limit relay. Refer to Drive Motor Power Inverter Current Limit Relay Replacement . Remove the drive motor battery current sensor. Refer to Drive Motor Battery Current Sensor Replacement .
1	Drive Motor Generator Battery Positive Relay Insulator Nut (Qty: 3) NOTE: Refer to Fastener Notice . Tighten: 6 N.m (53 lb in)
2	Drive Motor Generator Battery Positive Relay Insulator Assembly
3	Drive Motor Battery Control Module Bracket Bolt (Qty: 2) Tighten: 5 N.m (44 lb in)
4	Drive Motor Battery Control Module Bracket
5	Drive Motor Battery Control Module Bracket Bolt (Qty: 2) Tighten: 5 N.m (44 lb in)
6	Drive Motor Battery Control Module Bracket
7	Drive Motor Generator Battery Control Module Assembly Procedure: Disconnect all push connectors from the module. After the control module assembly has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.