2019 - 2021 Chevrolet Blazer ADAS Control Module (OEM)

What to look for when buying this part:

• Make sure the part is specifically designed for your vehicle's year, make, and model.
• Check the seller's reputation and return policy.
• Ask about any warranty offered on the part.
• Inspect the part for any signs of damage before installing it.

Quality indicators for the available options:

• Used OEM: Look for parts that have been tested and inspected to ensure they are working properly. Check for signs of physical damage or corrosion.
• New Aftermarket: Choose reputable brands known for producing high-quality parts. Read reviews and compare specifications.

What's typically included with the part:

• The ADAS control module itself.
• Sometimes, installation instructions or wiring diagrams are included.
• Mounting hardware may or may not be included.

Difficulty level and estimated time:

• Difficulty: Medium to High
• Estimated Time: 1-3 hours

Special tools needed (if any):

• Socket set
• Screwdrivers
• Diagnostic scan tool
• Multimeter (for testing electrical connections)
• Possibly a programming tool to calibrate the new module to your vehicle

Critical steps and tips:

1. Disconnect the negative battery cable before starting.
2. Locate the ADAS control module (usually behind the glove box or under the center console).
3. Disconnect the wiring harness from the old module.
4. Remove the old module and install the new one.
5. Reconnect the wiring harness.
6. Reconnect the negative battery cable.
7. Use a diagnostic scan tool to clear any error codes and calibrate the new module.

Whether DIY is recommended or professional installation is better:

• Professional installation is highly recommended. This part requires specialized tools and knowledge to install and calibrate correctly. Incorrect installation can lead to safety system malfunctions.

| Feature | Used OEM | New Aftermarket

• Used OEM: Best value - genuine factory parts, tested and inspected, at significantly lower prices
• New Aftermarket: Brand new third-party parts built to OE specs

Parts commonly replaced or checked at the same time:

• Wheel speed sensors
• Steering angle sensor
• Radar sensors
• Camera systems
• Wiring harnesses

Why replacing related parts prevents repeat failures:

• Replacing worn or damaged sensors and wiring can prevent future problems with the ADAS control module. A faulty sensor can send incorrect data to the module, causing it to malfunction. Replacing these parts together ensures the entire system is working correctly.

How long this part normally lasts:

• An ADAS control module can last for the lifetime of the vehicle, but it is susceptible to damage and failure.

Factors that affect longevity:

• Environmental conditions (temperature, humidity)
• Electrical surges or voltage spikes
• Accidents or impacts
• Quality of the original part
• Proper maintenance and calibration of the system

Budget vs mid-range vs premium options:

• Used OEM: $150 - $400
• New Aftermarket: $300 - $600

Labor cost considerations if applicable:

• Labor costs for installation and calibration can range from $200 - $500, depending on the shop and the complexity of the job.

Total job cost estimates:

• Used OEM + Labor: $350 - $900
• New Aftermarket + Labor: $500 - $1100

Known issues for this vehicle's system related to this part:

• Some models have reported issues with the lane departure warning system being overly sensitive or inaccurate.
• Some vehicles have experienced problems with the adaptive cruise control system not functioning correctly in certain weather conditions.
• Software updates may be available to address some of these issues.

Any TSBs or common complaints:

• Check with your local dealer or online resources for any Technical Service Bulletins (TSBs) related to the ADAS system in your vehicle.

How to confirm proper operation:

• Start the vehicle and check for any warning lights or error messages on the dashboard.
• Test each of the safety features (lane departure warning, automatic emergency braking, adaptive cruise control) to ensure they are working correctly.
• Use a diagnostic scan tool to verify that the module is communicating properly with the vehicle's computer.

What to look/listen for to verify it's working correctly:

• The safety features should activate smoothly and predictably.
• There should be no unusual noises or vibrations.
• The system should respond accurately to changes in driving conditions.
• The vehicle should maintain a safe distance from other vehicles when using adaptive cruise control.

Q: Will this part need to be programmed after installation?
A: Yes, this ADAS control module will likely need to be programmed or calibrated to your specific vehicle after installation. This is a crucial step to ensure the safety features function correctly.

Q: What happens if I don't calibrate the module after installing it?
A: If you don't calibrate the module, the safety features may not work properly or may give inaccurate readings. This could lead to dangerous driving situations.

Q: Is it okay to drive my car with a faulty ADAS control module?
A: It is not recommended to drive your car with a faulty ADAS control module, especially if it affects critical safety features like automatic emergency braking. Get it checked and repaired as soon as possible.

Q: How can I find a mechanic who can calibrate this part?
A: Look for a mechanic who specializes in ADAS systems or has experience working with your vehicle's make and model. Ask if they have the necessary diagnostic tools and software to calibrate the module.

Q: Does a used module come with a warranty?
A: Warranty coverage depends on the seller. Some sellers offer a limited warranty on used parts, while others do not. Be sure to ask about the warranty before you buy.

OEM Part Numbers:

• GM: 13507014, 13511116, 13523955, 13583441, 13591381, 13594221, 13595997, 13598152

Fits Years: 2019 2020 2021