OEM ABS Control Module for 1997-2000 Chevrolet, GMC, Isuzu, Oldsmobile, & Pontiac

Buying an ABS control module can be tricky. Here's what to look for:

What to Look For:

• Correct Part: Make sure the part is the right one for your car's year, make, and model.
• Condition: If buying a used part, check for any signs of damage or corrosion.
• Warranty: A warranty can protect you if the part fails soon after you install it.

Quality Indicators:

What's Included:

Typically, you'll receive just the ABS control module itself. You may need to reuse existing mounting hardware.

Installing an ABS control module can be a bit tricky.

Difficulty Level: Medium

Estimated Time: 1-3 hours

Special Tools Needed:

• Socket set
• Wrench set
• Screwdrivers
• OBD2 scanner (to clear codes)

Critical Steps and Tips:

1. Disconnect the Battery: Always disconnect the negative battery cable before working on electrical components.
2. Locate the Module: The ABS control module is usually located in the engine compartment.
3. Disconnect the Connectors: Carefully disconnect the electrical connectors from the module.
4. Remove the Old Module: Unbolt the module from its mounting bracket.
5. Install the New Module: Bolt the new module into place and reconnect the electrical connectors.
6. Reconnect the Battery: Reconnect the negative battery cable.
7. Clear Trouble Codes: Use an OBD2 scanner to clear any ABS trouble codes.

DIY or Professional Installation?

If you're comfortable working on cars and have some experience with electrical systems, you might be able to install the ABS control module yourself. However, if you're not confident, it's best to have a professional install it.

You have a few choices when buying an ABS control module:

Used OEM:

• Description: These are original parts that came from the factory.
• Pros: Best value, genuine factory part, tested and inspected, lower price.
• Cons: May have some wear and tear.

New Aftermarket:

• Description: These are brand new parts made by third-party companies.
• Pros: Brand new, built to meet OE specs.
• Cons: Quality can vary depending on the manufacturer.

When replacing your ABS control module, consider checking these parts:

• Wheel Speed Sensors: These sensors tell the ABS module how fast each wheel is turning. If they are faulty, they can cause problems with the ABS system.
• Brake Pads and Rotors: Worn brake pads or rotors can affect the ABS system's performance.
• Brake Fluid: Old or contaminated brake fluid can cause problems with the entire braking system.

Replacing these parts at the same time can help prevent repeat failures and ensure your braking system is working properly.

An ABS control module can last a long time, but its lifespan can vary.

How Long It Lasts:

• Typically 10-15 years or more.

Factors Affecting Longevity:

• Driving Conditions: Harsh driving conditions can shorten the lifespan.
• Maintenance: Regular brake maintenance can help extend the lifespan.
• Environmental Factors: Exposure to moisture and extreme temperatures can damage the module.

The cost of an ABS control module can vary depending on the type and where you buy it.

Budget:

• Used OEM: $50 - $150

Mid-Range:

• New Aftermarket: $150 - $300

Premium:

• New Aftermarket (High-Quality Brand): $300+

Labor Costs:

• Professional installation can cost $100 - $300, depending on the shop and your location.

Total Job Cost Estimates:

• Used OEM + Labor: $150 - $450
• New Aftermarket + Labor: $250 - $600+

Some vehicles may have specific issues related to the ABS system and control module.

Known Issues:

• Some models are known to have issues with corroded wiring harnesses that connect to the ABS module.
• Check for any Technical Service Bulletins (TSBs) related to the ABS system on your specific vehicle.

After installing the new ABS control module, it's important to make sure it's working correctly.

How to Confirm Proper Operation:

1. Check the ABS Warning Light: The ABS warning light should turn off after you start the car and drive a short distance.
2. Test the Brakes: Find a safe place to test the brakes. Make sure the ABS system engages properly when you brake hard.
3. Scan for Trouble Codes: Use an OBD2 scanner to check for any new trouble codes.

What to Look/Listen For:

• The ABS system should engage smoothly and without any unusual noises.
• The brake pedal should feel firm and responsive.

Q: How do I know if my ABS control module is bad?
A: Common signs include the ABS warning light staying on, brake pedal feeling different, brakes locking up easily, and ABS-related trouble codes.

Q: Can I drive my car with a bad ABS control module?
A: It's generally not recommended. While your regular brakes will still work, the ABS system won't function, which can make it harder to stop in slippery conditions.

Q: Will a new ABS control module need to be programmed?
A: Some ABS control modules require programming to match your car's VIN. Check with the seller or a mechanic to see if programming is needed.

Q: Where is the ABS control module located?
A: It's usually located in the engine compartment, near the master cylinder. Check your car's repair manual for the exact location.

Q: How long does it take to replace an ABS control module?
A: The replacement process typically takes 1-3 hours, depending on your experience and the location of the module.

OEM Part Numbers:

• GM: 12413153, 16246621, 16268791, 9367091
• Isuzu: 8162466210

Fits Years: 1997 1998 1999 2000