OEM Stability Control Module for 2017-2024 Buick, Cadillac, Chevrolet, & GMC

What to Look for When Buying This Part

• Make sure the part is specifically designed for your vehicle's year and model.
• Check for any signs of damage or corrosion.
• Ask about the part's history, if possible.

Quality Indicators for the Available Options

| Feature | Used OEM What's Typically Included with the Part

• The stability control module itself.
• Sometimes, mounting hardware may be included.
• Usually, instructions are not included.

Difficulty Level and Estimated Time

Replacing a stability control module is generally considered a medium-difficulty job. It can take anywhere from 1 to 3 hours, depending on your experience and the vehicle.

Special Tools Needed (If Any)

• Basic hand tools (sockets, wrenches, screwdrivers)
• A scan tool to clear any error codes after installation.
• Possibly a specialized tool to disconnect brake lines, if necessary.

Critical Steps and Tips

1. Disconnect the negative battery cable before starting.
2. Locate the stability control module (usually under the hood or inside the cabin).
3. Carefully disconnect the wiring harness from the module.
4. Remove the old module.
5. Install the new module and reconnect the wiring harness.
6. Reconnect the negative battery cable.
7. Use a scan tool to clear any error codes and calibrate the system.

Whether DIY is Recommended or Professional Installation is Better

If you are comfortable working on cars and have some experience with electrical systems, you may be able to do this job yourself. However, if you are not confident, it is best to have a professional mechanic install the module. Incorrect installation can cause serious problems.

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Warning Signs Your Stability Control Module Might Be Failing

• The stability control light is on in your dashboard.
• Your anti-lock brakes (ABS) are not working correctly.
• You are having trouble with traction control.
• The vehicle may swerve or feel unstable, especially on slippery roads.
• You hear unusual noises from the brake system.

How to Test if This Part is the Problem

It's important to rule out other possible causes before replacing the stability control module. Here's a general approach:

1. Have a qualified mechanic scan your vehicle's computer for diagnostic trouble codes (DTCs). These codes can pinpoint the source of the problem.
2. Check the wheel speed sensors. A faulty sensor can send incorrect information to the module.
3. Inspect the wiring harness and connectors for damage or corrosion.
4. Test the hydraulic control unit (HCU) if applicable. Some stability control systems integrate with the HCU.
5. If other components are working properly, the stability control module is likely the source of the problem.

Common Failure Causes for This Part

• Electrical surges or shorts can damage the module's internal components.
• Corrosion due to moisture exposure.
• Physical damage from accidents.
• Overheating.
• General wear and tear over time.

What to Look for When Buying This Part

• Verify the part is correct for your specific vehicle year, make, and model.
• Check the seller's reputation and return policy.
• Inspect the part for any visible damage before installation.

Quality Indicators for the Available Options

| Feature | Used OEM

OEM Part Numbers:

• GM: 84304601, 84473290

Fits Years: 2017 2018 2019 2020 2021 2022 2023 2024