2019 - 2022 Chevrolet Blazer Chassis Control Module (OEM)

• What to look for when buying this part:
• Correct part for your vehicle. Even within the same year range, variations can exist.
• Warranty. A warranty protects you if the part fails soon after installation.
• Seller reputation. Buy from a trusted source with good reviews.
• Condition. Understand the difference between used and new options.

• Quality indicators for the available options:
• Used OEM: Look for parts that have been tested and inspected. Ask about the vehicle's history the part came from.
• New Aftermarket: Check the brand reputation. Established brands often have better quality control.

• What's typically included with the part:
• The Chassis Control Module itself.
• Sometimes, mounting hardware.
• Usually, installation instructions are not included.

• Difficulty level and estimated time:
• Difficulty: Medium to High.
• Estimated Time: 1-3 hours.

• Special tools needed (if any):
• Socket set and wrenches.
• Diagnostic scan tool to clear error codes after installation.
• Torque wrench to tighten bolts to the correct specification.

• Critical steps and tips:
• Disconnect the battery before starting the installation.
• Carefully disconnect and reconnect the electrical connectors.
• Mount the module securely.
• Clear any error codes with a diagnostic scan tool after installation.

• Whether DIY is recommended or professional installation is better:
• Professional installation is recommended unless you have experience with automotive electrical systems and diagnostic tools. Incorrect installation can damage the module or other vehicle components.

• Compare: Used OEM, New Aftermarket

• Used OEM: Best value - genuine factory parts, tested and inspected, at significantly lower prices
• Used OEM modules offer a cost-effective way to get a factory-original part. These modules are typically removed from vehicles that were damaged or salvaged, and then tested to ensure they are working properly.

• New Aftermarket: Brand new third-party parts built to OE specs
• New aftermarket modules are manufactured by companies other than the original vehicle manufacturer. They are designed to meet or exceed the specifications of the original part.

• Parts commonly replaced or checked at the same time:
• Air suspension compressor.
• Air struts or shocks.
• Ride height sensors.
• Wheel speed sensors.

• Why replacing related parts prevents repeat failures:
• A failing air suspension compressor can overwork the Chassis Control Module, causing it to fail prematurely. Replacing worn suspension components can prevent stress on the module.

• How long this part normally lasts:
• 5-10 years is a typical lifespan, but it can vary.

• Factors that affect longevity:
• Driving conditions.
• Maintenance of the suspension system.
• Exposure to moisture and extreme temperatures.
• Electrical system health.

• Budget vs mid-range vs premium options:
• Used OEM: $200 - $400
• New Aftermarket: $300 - $600
• Labor cost considerations if applicable:
• Labor: $200 - $400 (depending on the shop and location).
• Total job cost estimates:
• Used OEM + Labor: $400 - $800
• New Aftermarket + Labor: $500 - $1000

• Known issues for this vehicle's system related to this part:
• Some models have issues with water intrusion affecting the module. Check for signs of water damage before replacing the module.
• Software updates may be required after replacing the module.

• Any TSBs or common complaints:
• Check for any Technical Service Bulletins (TSBs) related to chassis control module failures on your specific vehicle model.

• How to confirm proper operation:
• Check for warning lights. Make sure no suspension-related warning lights are illuminated on the dashboard.
• Test the suspension. Drive the vehicle over different road surfaces to see if the suspension adjusts properly.
• Use a diagnostic scan tool. Check for any new error codes.

• What to look/listen for to verify it's working correctly:
• Smooth ride quality.
• Proper ride height.
• No unusual noises from the suspension.
• Correct operation of the suspension modes (if equipped).

• Q: Will this module need to be programmed after installation?
• A: Yes, in many cases, the module will need to be programmed to your specific vehicle using a diagnostic scan tool. This is often required for the module to communicate properly with the vehicle's other systems.

• Q: How do I know if my Chassis Control Module is really bad?
• A: The best way is to have a professional mechanic diagnose the problem. They can use a diagnostic scan tool to read error codes and perform tests to determine if the module is faulty.

• Q: What happens if I don't replace the module when it's failing?
• A: Ignoring a failing module can lead to a rough ride, poor handling, and potential damage to other suspension components. It can also affect the vehicle's safety.

• Q: Can I drive my car with a bad Chassis Control Module?
• A: It's generally not recommended. A failing module can affect the vehicle's handling and stability, making it unsafe to drive.

• Q: Where is the Chassis Control Module located in my vehicle?
• A: The location varies depending on the model, but it's often located under the driver's seat, in the trunk, or behind the dashboard. Consult your vehicle's repair manual for the exact location.

OEM Part Numbers:

• Ford: 1710026
• GM: 22794558, 84183573
• Hyundai: 921904Z200
• Jaguar: C2D50948
• Land Rover: LR025157
• Mopar: 68250629AA
• Osram: 35XT6-S-D3/12V, 71154400DG, A71154400DG
• Tesla: 1029170-00-A, 6005906-00-D
• Other: 241017608515, DPLA70718MS

Fits Years: 2019 2020 2021 2022