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.

2011 Chevrolet VoltFACTORY OEM SERVICE PROCEDURE

Hybrid Powertrain Control Module 2 Replacement

Fig 1: Hybrid Powertrain Control Module 2

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure:
Remove the front floor panel carpet. Refer to Front Floor Panel Carpet Replacement

Interface Chassis Control Module

Procedure

Disconnect the electrical connections.
Using the appropriate tool, gently disengage the module from the four retaining tabs on bracket.
For programming and set up procedures, refer to Control Module References

Factory Service Tools

Use the Manual With the Right Hardware

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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.

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