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.
2002 Chevrolet Venture PlusFACTORY OEM SERVICE PROCEDURE
Vehicle Communication Interface Module (VCIM)
WARNING: This page is about a different car, the 2002 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
- Record the STID number from the label on the new module (10 Digits).
- Record the ESN number from the label on the new part, (11 digits, no letters).
- Install the new VCIM.
- After replacement, press and hold the OnStar® "End Call" button (black with white dot); watch for the OnStar® status light change from Green to Red to Green.
- After replacement, press the blue OnStar® button twice to connect to OnStar®. Tell the advisor that this vehicle has a new VCIM and a new STID number to put in the customers account. Tell the advisor that this vehicle has a new VCIM and a new ESN to put in the customers account. Follow any additional instructions given by the Advisor.
- The old CIM must be returned for core credit. Use the address label included in the original box. Failure to return core will result in a debit.
Factory Service Tools
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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.