OEM Transmission Control Module for 2019-2025 Buick & Chevrolet • Encore GX, Malibu, Trailblazer
Only 1 left in stock
$109.95
ℹ️ Product Notes
This is a used part. This is a Transmission Control Module (TCM) that helps run your transmission. It is designed for 1.5L engines with a CVT (Continuously Variable Transmission). This module mounts directly onto the transmission. Important: This part may need to be reprogrammed to work correctly with your vehicle.
Must be programmed by a dealer or shop to work. Fits vehicles with a CVT transmission only. Check your engine size before buying.
✓ 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:
Active Filters:
⚠️ No Matching Vehicles Found
This part does not fit the vehicle specifications you selected. Please try adjusting your filter criteria or to see all compatible vehicles.
Buick1 model(tapclick to expand)(tapclick to hide)
Encore GX2020-2025(tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB- MODEL
Body Style
Years
Engine
Attributes
Convenience
SUV
2020 - 2023
L3 1.3L Turbo
FWD | Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Essence
SUV
2020 - 2023
L3 1.2L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Essence
SUV
2020 - 2023
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Leather
SUV
2020 - 2022
L3 1.3L Turbo
FWD | Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Preferred
SUV
2020 - 2024
L3 1.2L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Preferred
SUV
2020 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Select
SUV
2020 - 2023
L3 1.2L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Select
SUV
2020 - 2023
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Sport Touring
SUV
2020 - 2025
L3 1.3L Turbo
FWD | Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Avenir
SUV
2024 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Sport Touring
SUV
2024 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
Preferred
SUV
2025
L3 1.2L FLEX Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
2021
Chevrolet2 models(tapclick to expand)(tapclick to hide)
Malibu2019-2025(tapclick to expand)(tapclick to hide)
Trailblazer2021-2025(tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB- MODEL
Body Style
Years
Engine
Attributes
ACTIV
SUV
2021 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
L
SUV
2021 - 2022
L3 1.2L Turbo
FWD | Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
LS
SUV
2021 - 2024
L3 1.2L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
LS
SUV
2021 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
LT
SUV
2021 - 2024
L3 1.2L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
LT
SUV
2021 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
RS
SUV
2021 - 2025
L3 1.3L Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
LS
SUV
2025
L3 1.2L FLEX Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
LT
SUV
2025
L3 1.2L FLEX Turbo
AWD/FWD | Automatic & Automatic CVT | Fits 1.2L or 1.3L engine with CVT transmission
2023
⚠️ 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.
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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 of a Failing Transmission Control Module (TCM)
Erratic or harsh shifting
Transmission slipping
Getting stuck in one gear
Difficulty shifting into gear
Check Engine Light is on
Reduced engine power
Poor fuel economy
Testing the TCM vs. Other Components
Start by checking the transmission fluid level and condition. Low or dirty fluid can cause shifting problems.
Use an OBD-II scanner to read any trouble codes. These codes can help pinpoint the problem.
Inspect the wiring and connectors to the TCM for damage or corrosion.
If possible, use a multimeter to check the TCM's power and ground connections.
A professional mechanic can use specialized diagnostic tools to test the TCM's internal circuits and communication with other vehicle systems.
Common Causes of TCM Failure
Overheating
Electrical surges
Water damage
Physical damage from accidents
Normal wear and tear
Buyer's Checklist
What to Look for When Buying a TCM
Make sure the TCM is designed for your specific vehicle year and model.
Check the seller's return policy.
Read reviews from other buyers.
Consider the warranty offered.
Quality Indicators
Feature
Used OEM
New Aftermarket
Source
Original factory part
Third-party manufacturer
Testing
Typically tested and inspected
Should meet OE specifications
Warranty
Varies by seller
Varies by manufacturer
Price
Generally lower
Can be competitive, sometimes higher
Reliability
Proven track record (if tested well)
Reliability depends on manufacturer
What's Typically Included
The TCM itself.
Sometimes installation instructions (check with the seller).
Installation Overview
Difficulty Level and Estimated Time
Difficulty: Medium
Estimated Time: 1-3 hours
Special Tools Needed
Socket set
Screwdrivers
OBD-II scanner
Multimeter (optional)
Critical Steps and Tips
Disconnect the negative battery cable.
Locate the TCM (usually under the hood or inside the passenger compartment).
Disconnect the wiring harness from the TCM.
Remove the old TCM.
Install the new TCM.
Reconnect the wiring harness.
Reconnect the negative battery cable.
Use an OBD-II scanner to clear any trouble codes.
Perform a transmission relearn procedure (if required).
DIY or Professional Installation?
DIY is possible for mechanically inclined individuals.
Professional installation is recommended if you are not comfortable working on your car's electrical system.
Buying Options
Compare: Used OEM, New Aftermarket
| Feature | Used OEM
Part Specifications
OEM Part Numbers:
GM: 2404521, 24045216, 24053805, 24299245
Fits Years:2019 2020 2021 2022 2023 2024 2025
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