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Body Control Module
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2019 - 2025 Chevrolet Blazer Chassis Control Module (OEM)

✓ IN STOCK
$99.95

ℹ️ Product Notes

This is a used Chassis Control Module. It is designed for vehicles with the Driver Assist and Pre-Crash safety systems. This module may need to be set up (reprogrammed) for your vehicle to work correctly.

Controls driver assist and pre-crash systems. Fits models with Automatic Braking (Option UGN) only. Requires professional programming at a dealer or shop to work.
Condition: Excellent (A)
Like new, minimal to no wear
88,060 miles
Odometer reading when part was removed
SKU #
5903424-70501-195

Why Buy Used OEM Parts?

✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested to ensure it meets our quality standards. While it may show some cosmetic wear from previous use, it's fully functional and ready to install.

✓ Original Equipment: This is a genuine OEM (Original Equipment Manufacturer) part - the exact same part that came with your vehicle from the factory. It's designed specifically for your make and model, ensuring perfect fitment and performance.

✓ Works Like New: Despite some visual wear, this part will perform just as well as a brand new one. The internal components and functionality are intact, giving you the same reliability you'd expect from OEM quality.

✓ Significant Savings: Save 50-80% compared to buying new! Used OEM parts offer exceptional value - you get factory quality at a fraction of the cost. It's the smart choice for budget-conscious vehicle owners who won't compromise on quality.

✓ Risk-Free Purchase: We stand behind our used parts with a generous 6-month warranty, 30-day returns, and 100% money-back guarantee. If it doesn't work out for any reason, simply return it for a full refund. You have nothing to lose!

🛡️ 30-Day Returns + 6-Month Warranty - Buy with Confidence!

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Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet
Blazer 2019-2025 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2019 L4 2.5L AWD/FWD | Automatic
Base SUV 2019 - 2021 V6 3.6L FWD | Automatic
Base SUV 2019 V6 3.6L AWD | Automatic
L SUV 2019 - 2021 L4 2.5L FWD | Automatic
Premier SUV 2019 - 2025 V6 3.6L FWD | Automatic
Premier SUV 2019 - 2022 V6 3.6L AWD | Automatic
RS SUV 2019 - 2025 V6 3.6L FWD | Automatic
RS SUV 2019 - 2022 V6 3.6L AWD | Automatic
True North SUV 2019 - 2022 V6 3.6L AWD | Automatic
LS SUV 2020 L4 2.5L FWD | Automatic
LT SUV 2020 - 2025 L4 2.0L Turbo FWD | Automatic
LT SUV 2020 - 2022 L4 2.0L Turbo AWD | Automatic
LT SUV 2020 - 2022 L4 2.5L AWD/FWD | Automatic
LT SUV 2020 - 2025 V6 3.6L FWD | Automatic
LT SUV 2020 - 2022 V6 3.6L AWD | Automatic
Premier SUV 2021 - 2025 L4 2.0L Turbo FWD | Automatic
Premier SUV 2021 - 2022 L4 2.0L Turbo AWD | Automatic
True North SUV 2021 L4 2.0L Turbo AWD | Automatic
LT SUV 2023 - 2025 L4 2.0L Turbo 4WD | Automatic
LT SUV 2023 - 2025 V6 3.6L 4WD | Automatic
Premier SUV 2023 - 2025 L4 2.0L Turbo 4WD | Automatic
Premier SUV 2023 - 2025 V6 3.6L 4WD | Automatic
RS SUV 2023 - 2025 V6 3.6L 4WD | Automatic
True North SUV 2023 - 2025 V6 3.6L 4WD | Automatic
RS Bitono SUV 2024 V6 3.6L FWD | Automatic

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

6-Month Warranty

All used parts include a 6-month warranty from the date of purchase.

  • If your part fails within 6 months, we will send a replacement
  • Refunds are only issued if we cannot provide a suitable replacement
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

Symptoms & Diagnosis

Warning Signs the Chassis Control Module is Failing

  • Your vehicle's ride feels rough or unstable.
  • You see warning lights on your dashboard related to stability control or suspension.
  • The vehicle drifts or pulls to one side while driving.
  • You hear unusual noises from the suspension, like clunking or squeaking.
  • The electronic suspension system isn't working correctly.

How to Test if This Part is the Problem

  1. First, have a mechanic scan your vehicle's computer for error codes. This can point to the Chassis Control Module or other related issues.
  2. Check the wiring and connections to the module for any damage or corrosion.
  3. Use a multimeter to test the power and ground circuits to the module.
  4. A professional mechanic can use a diagnostic tool to monitor the module's data and see if it's communicating correctly.
  5. Sometimes, temporarily swapping in a known good module can help determine if the original one is faulty.

Common Failure Causes for This Part

  • Water or moisture damage can corrode the internal components.
  • Electrical surges or voltage spikes can damage the module's circuits.
  • Physical damage from accidents or impacts can cause the module to fail.
  • Normal wear and tear over time can lead to component failure.
  • Problems with other related components, like sensors or actuators, can overload the module.

Buyer's Checklist

What to Look for When Buying This Part

  • Make sure the part is compatible with your vehicle's year, make, and model.
  • Check the part's condition and look for any signs of damage or wear.
  • Verify that the part has been tested and inspected.
  • Consider the seller's reputation and return policy.

Quality Indicators for the Available Options

FeatureUsed OEMNew Aftermarket
OriginOriginal equipment from the vehicle manufacturerManufactured by a third-party company
TestingTypically tested and inspectedNew, but may not have the same level of testing
QualityGenerally high, as it's an OEM partQuality can vary depending on the manufacturer
PriceUsually the most affordable optionCan be more expensive than used OEM

What's Typically Included with the Part

  • The Chassis Control Module itself.
  • Sometimes, mounting hardware may be included.
  • Check with the seller to confirm what's included.

Installation Overview

Difficulty Level and Estimated Time

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

Special Tools Needed (if any)

  • Socket set
  • Wrench set
  • Screwdrivers
  • Diagnostic scan tool (to clear codes)
  • Multimeter (for testing circuits)

Critical Steps and Tips

  1. Disconnect the negative battery cable before starting.
  2. Locate the Chassis Control Module (usually under the dash or in the engine compartment).
  3. Disconnect the wiring harness from the module.
  4. Remove the mounting bolts or screws.
  5. Install the new module and reconnect the wiring harness.
  6. Reconnect the negative battery cable.
  7. Use a diagnostic scan tool to clear any error codes and calibrate the system.

Whether DIY is Recommended or Professional Installation is Better

  • Professional installation is recommended, especially if you don't have experience with automotive electrical systems.
  • Incorrect installation can damage the module or other components.
  • A professional can properly diagnose the problem and ensure the new module is correctly programmed and calibrated.

Buying Options

Compare: Used OEM, New Aftermarket

| Option | Pros you're looking to buy a Chassis Control Module for your 2017-2025 Buick, Cadillac, Chevrolet, or GMC vehicle, you're likely experiencing some issues with your vehicle's ride quality or stability. This guide will help you understand the symptoms of a failing module, how to diagnose the problem, and what to look for when buying a replacement. We'll also cover installation tips, buying options, and other related information to help you make an informed decision.

Symptoms & Diagnosis

Warning Signs the Chassis Control Module is Failing

  • Your vehicle's ride feels rough or unstable.
  • You see warning lights on your dashboard related to stability control or suspension.
  • The vehicle drifts or pulls to one side while driving.
  • You hear unusual noises from the suspension, like clunking or squeaking.
  • The electronic suspension system isn't working correctly.

How to Test if This Part is the Problem

  1. First, have a mechanic scan your vehicle's computer for error codes. This can point to the Chassis Control Module or other related issues.
  2. Check the wiring and connections to the module for any damage or corrosion.
  3. Use a multimeter to test the power and ground circuits to the module.
  4. A professional mechanic can use a diagnostic tool to monitor the module's data and see if it's communicating correctly.
  5. Sometimes, temporarily swapping in a known good module can help determine if the original one is faulty.

Common Failure Causes for This Part

  • Water or moisture damage can corrode the internal components.
  • Electrical surges or voltage spikes can damage the module's circuits.
  • Physical damage from accidents or impacts can cause the module to fail.
  • Normal wear and tear over time can lead to component failure.
  • Problems with other related components, like sensors or actuators, can overload the module.

Buyer's Checklist

What to Look for When Buying This Part

  • Make sure the part is compatible with your vehicle's year, make, and model.
  • Check the part's condition and look for any signs of damage or wear.
  • Verify that the part has been tested and inspected.
  • Consider the seller's reputation and return policy.

Quality Indicators for the Available Options

FeatureUsed OEMNew Aftermarket
OriginOriginal equipment from the vehicle manufacturerManufactured by a third-party company
TestingTypically tested and inspectedNew, but may not have the same level of testing
QualityGenerally high, as it's an OEM partQuality can vary depending on the manufacturer
PriceUsually the most affordable optionCan be more expensive than used OEM

What's Typically Included with the Part

  • The Chassis Control Module itself.
  • Sometimes, mounting hardware may be included.
  • Check with the seller to confirm what's included.

Installation Overview

Difficulty Level and Estimated Time

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

Special Tools Needed (if any)

  • Socket set
  • Wrench set
  • Screwdrivers
  • Diagnostic scan tool (to clear codes)
  • Multimeter (for testing circuits)

Critical Steps and Tips

  1. Disconnect the negative battery cable before starting.
  2. Locate the Chassis Control Module (usually under the dash or in the engine compartment).
  3. Disconnect the wiring harness from the module.
  4. Remove the mounting bolts or screws.
  5. Install the new module and reconnect the wiring harness.
  6. Reconnect the negative battery cable.
  7. Use a diagnostic scan tool to clear any error codes and calibrate the system.

Whether DIY is Recommended or Professional Installation is Better

  • Professional installation is recommended, especially if you don't have experience with automotive electrical systems.
  • Incorrect installation can damage the module or other components.
  • A professional can properly diagnose the problem and ensure the new module is correctly programmed and calibrated.

Buying Options

Compare: Used OEM, New Aftermarket

| Option | Pros you're looking to buy a Chassis Control Module for your 2017-2025 Buick, Cadillac, Chevrolet, or GMC vehicle, you're likely experiencing some issues with your vehicle's ride quality or stability. This guide will help you understand the symptoms of a failing module, how to diagnose the problem, and what to look for when buying a replacement. We'll also cover installation tips, buying options, and other related information to help you make an informed decision.

Symptoms & Diagnosis

Warning Signs the Chassis Control Module is Failing

  • Your vehicle's ride feels rough or unstable.
  • You see warning lights on your dashboard related to stability control or suspension.
  • The vehicle drifts or pulls to one side while driving.
  • You hear unusual noises from the suspension, like clunking or squeaking.
  • The electronic suspension system isn't working correctly.

How to Test if This Part is the Problem

  1. First, have a mechanic scan your vehicle's computer for error codes. This can point to the Chassis Control Module or other related issues.
  2. Check the wiring and connections to the module for any damage or corrosion.
  3. Use a multimeter to test the power and ground circuits to the module.
  4. A professional mechanic can use a diagnostic tool to monitor the module's data and see if it's communicating correctly.
  5. Sometimes, temporarily swapping in a known good module can help determine if the original one is faulty.

Common Failure Causes for This Part

  • Water or moisture damage can corrode the internal components.
  • Electrical surges or voltage spikes can damage the module's circuits.
  • Physical damage from accidents or impacts can cause the module to fail.
  • Normal wear and tear over time can lead to component failure.
  • Problems with other related components, like sensors or actuators, can overload the module.

Buyer's Checklist

What to Look for When Buying This Part

  • Make sure the part is compatible with your vehicle's year, make, and model.
  • Check the part's condition and look for any signs of damage or wear.
  • Verify that the part has been tested and inspected.
  • Consider the seller's reputation and return policy.

Quality Indicators for the Available Options

FeatureUsed OEMNew Aftermarket
OriginOriginal equipment from the vehicle manufacturerManufactured by a third-party company
TestingTypically tested and inspectedNew, but may not have the same level of testing
QualityGenerally high, as it's an OEM partQuality can vary depending on the manufacturer
PriceUsually the most affordable optionCan be more expensive than used OEM

What's Typically Included with the Part

  • The Chassis Control Module itself.
  • Sometimes, mounting hardware may be included.
  • Check with the seller to confirm what's included.

Installation Overview

Difficulty Level and Estimated Time

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

Special Tools Needed (if any)

  • Socket set
  • Wrench set
  • Screwdrivers
  • Diagnostic scan tool (to clear codes)
  • Multimeter (for testing circuits)

Critical Steps and Tips

  1. Disconnect the negative battery cable before starting.
  2. Locate the Chassis Control Module (usually under the dash or in the engine compartment).
  3. Disconnect the wiring harness from the module.
  4. Remove the mounting bolts or screws.
  5. Install the new module and reconnect the wiring harness.
  6. Reconnect the negative battery cable.
  7. Use a diagnostic scan tool to clear any error codes and calibrate the system.

Whether DIY is Recommended or Professional Installation is Better

  • Professional installation is recommended, especially if you don't have experience with automotive electrical systems.
  • Incorrect installation can damage the module or other components.
  • A professional can properly diagnose the problem and ensure the new module is correctly programmed and calibrated.

Buying Options

Compare: Used OEM, New Aftermarket

  • Used OEM: Best value. These are genuine factory parts that have been tested and inspected. You get the quality of the original part at a much lower price.
  • New Aftermarket: These are brand new parts made by other companies to meet the original equipment specifications.

Typical Lifespan

How Long This Part Normally Lasts

  • The Chassis Control Module can last for 7-10 years or more under normal conditions.

Factors that Affect Longevity

  • Exposure to extreme temperatures or moisture can shorten the lifespan.
  • Electrical problems in the vehicle can damage the module.
  • Driving habits and road conditions can affect the suspension system and the module.

Price Ranges

Budget vs Mid-Range vs Premium Options

  • Used OEM: $150 - $350
  • New Aftermarket: $250 - $500

Labor Cost Considerations if Applicable

  • Labor costs for installation can range from $150 - $300, depending on the shop and the complexity of the job.

Total Job Cost Estimates

  • Total cost for Used OEM replacement: $300 - $650
  • Total cost for New Aftermarket replacement: $400 - $800

Vehicle-Specific Notes

Known Issues for This Vehicle's System Related to This Part

  • Some models have reported issues with ride height sensors causing problems with the Chassis Control Module.
  • Corrosion in the wiring harness can also lead to module failure.

Any TSBs or Common Complaints

  • Check with your local dealer for any Technical Service Bulletins (TSBs) related to the Chassis Control Module on your specific vehicle.
  • Some common complaints include rough ride, warning lights, and suspension malfunction.

Verification After Install

How to Confirm Proper Operation

  • Start the vehicle and check for any warning lights on the dashboard.
  • Drive the vehicle and see if the ride feels smooth and stable.
  • Use a diagnostic scan tool to check for any error codes.

What to Look/Listen for to Verify It's Working Correctly

  • The suspension should adjust properly to different road conditions.
  • There should be no unusual noises from the suspension.
  • The vehicle should not drift or pull to one side.

FAQ

Q: What does a Chassis Control Module do?
A: The Chassis Control Module controls your vehicle's suspension system. It uses sensors to monitor the road and adjusts the suspension to provide a smooth and stable ride.

Q: How do I know if my Chassis Control Module is bad?
A: Common signs include a rough ride, warning lights on the dashboard, and the vehicle drifting or pulling to one side.

Q: Can I replace the Chassis Control Module myself?
A: It's recommended to have a professional mechanic install the module, as it requires specialized tools and

Part Specifications

OEM Part Numbers:

  • GM: 23402601, 84049631, 84050271, 84052035, 84092992, 84133558, 84218070, 84559182, 84559185, 84737638, 84991870

Fits Years: 2019 2020 2021 2022 2023 2024 2025

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