OEM Engine Control Module (ECM) for 2020-2025 Buick, Chevrolet, & GMC
$
79
.95
⚠️ ELECTRONIC MODULE NOTICE
This module may require programming to your vehicle by a dealer or qualified technician with professional diagnostic equipment.
- Ships in a sealed inspection bag for visual inspection
- Returns not accepted if inspection bag has been opened
- "Needs programming" is not grounds for return
- If told the module "won't program," contact us before returning
- Defective units replaced ONLY ONCE, under warranty
Product Notes
This is a used engine control module (ECM). The vehicle it was removed from ran well. This module may need to be reprogrammed to work with your vehicle.
IMPORTANT: This module must be reprogrammed by a qualified mechanic with the proper tools for your vehicle's VIN for it to function. Failure to do so will result in the vehicle not starting or running correctly. Please confirm the correct engine for your vehicle before ordering. For Encore GX, Envista, and Trailblazer models, this module is located in the right-hand (passenger side) of the engine compartment. For Equinox and Terrain models, it is located in the left-hand (driver side) of the engine compartment.
IMPORTANT: This module must be reprogrammed by a qualified mechanic with the proper tools for your vehicle's VIN for it to function. Failure to do so will result in the vehicle not starting or running correctly. Please confirm the correct engine for your vehicle before ordering. For Encore GX, Envista, and Trailblazer models, this module is located in the right-hand (passenger side) of the engine compartment. For Equinox and Terrain models, it is located in the left-hand (driver side) of the engine compartment.
Condition: Excellent (A)
Like new, minimal to no wear
3,000 miles
Odometer reading when part was removed
Why Buy Used OEM Parts?
- ✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested. While it may show some cosmetic wear, it's fully functional and ready to install.
- ✓ Original Equipment: This is a genuine OEM part — the exact part that came with your vehicle from the factory. Perfect fitment and performance.
- ✓ Works Like New: Despite visual wear, internal components and functionality are intact. Same reliability you'd expect from OEM quality.
- ✓ Significant Savings: Save 50–80% vs. new. Factory quality at a fraction of the cost — the smart choice for budget-conscious owners.
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Vehicle Fitment Guide
This part fits the following vehicles:
Buick
2 models(tapclick to hide)
Encore GX
2020-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Essence | SUV | 2020 - 2023 | L3 1.2L Turbo | AWD/FWD | Automatic & Automatic CVT | Fits models with 1.2L engine only. Module is located in the right-hand (passenger side) of the engine compartment. |
| Preferred | SUV | 2020 - 2024 | L3 1.2L Turbo | AWD/FWD | Automatic & Automatic CVT | Fits models with 1.2L engine only. Module is located in the right-hand (passenger side) of the engine compartment. |
| Select | SUV | 2020 - 2023 | L3 1.2L Turbo | AWD/FWD | Automatic & Automatic CVT | Fits models with 1.2L engine only. Module is located in the right-hand (passenger side) of the engine compartment. |
| 2021 |
Envista
2024-2025
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Avenir | SUV | 2024 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Avenir | Sport Utility Coupe | 2024 - 2025 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Preferred | Sport Utility Coupe | 2024 - 2025 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Sport Touring | SUV | 2024 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Sport Touring | Sport Utility Coupe | 2024 - 2025 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Avenir | Sport Utility Coupe | 2025 | L3 1.2L FLEX Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Preferred | Sport Utility Coupe | 2025 | L3 1.2L FLEX Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
| Sport Touring | Sport Utility Coupe | 2025 | L3 1.2L FLEX Turbo | FWD | Automatic | Fits models with 1.2L engine. Module is located in the right-hand (passenger side) of the engine compartment. |
Chevrolet
5 models(tapclick to hide)
Camaro
2021-2023
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| LS | Coupe | 2021 - 2023 | L4 2.0L Turbo | RWD | Automatic & Manual | Fits models with 2.0L engine only. |
| LT | Convertible | 2021 - 2023 | L4 2.0L Turbo | RWD | Automatic & Manual | Fits models with 2.0L engine only. |
| LT | Coupe | 2021 - 2023 | L4 2.0L Turbo | RWD | Automatic & Manual | Fits models with 2.0L engine only. |
Equinox
2020-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| L | SUV | 2020 - 2021 | L4 1.5L Turbo | FWD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| LS | SUV | 2020 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| LT | SUV | 2020 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| Midnight | SUV | 2020 | L4 1.5L Turbo | FWD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| Premier | SUV | 2020 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| Premier Plus | SUV | 2020 - 2021 | L4 1.5L Turbo | FWD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| RS | SUV | 2022 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| 2023 |
Malibu
2020-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| L | Sedan | 2020 - 2021 | L4 1.5L Turbo | FWD | Automatic CVT | Fits models with 1.5L engine only. |
| LS | Sedan | 2020 - 2024 | L4 1.5L Turbo | FWD | Automatic CVT | Fits models with 1.5L engine only. |
| LT | Sedan | 2020 - 2024 | L4 1.5L Turbo | FWD | Automatic CVT | Fits models with 1.5L engine only. |
| RS | Sedan | 2020 - 2024 | L4 1.5L Turbo | FWD | Automatic CVT | Fits models with 1.5L engine only. |
| 2023 |
Trailblazer
2021-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| L | SUV | 2021 - 2022 | L3 1.2L Turbo | FWD | Automatic CVT | Fits models with 1.2L engine only. Module is located in the right-hand (passenger side) of the engine compartment. |
| LS | SUV | 2021 - 2024 | L3 1.2L Turbo | AWD/FWD | Automatic & Automatic CVT | Fits models with 1.2L engine only. Module is located in the right-hand (passenger side) of the engine compartment. |
| LT | SUV | 2021 - 2024 | L3 1.2L Turbo | AWD/FWD | Automatic & Automatic CVT | Fits models with 1.2L engine only. Module is located in the right-hand (passenger side) of the engine compartment. |
| 2023 |
Trax
2021-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| LS | SUV | 2021 - 2022 | L4 1.4L Turbo | AWD/FWD | Automatic | Fits models with 1.4L Turbo engine (VIN M, 8th digit, opt LE2). |
| LT | SUV | 2021 - 2022 | L4 1.4L Turbo | AWD/FWD | Automatic | Fits models with 1.4L Turbo engine (VIN M, 8th digit, opt LE2). |
| ACTIV | SUV | 2024 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.4L Turbo engine (VIN M, 8th digit, opt LE2). |
| LS | SUV | 2024 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.4L Turbo engine (VIN M, 8th digit, opt LE2). |
| LT | SUV | 2024 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.4L Turbo engine (VIN M, 8th digit, opt LE2). |
| RS | SUV | 2024 | L3 1.2L Turbo | FWD | Automatic | Fits models with 1.4L Turbo engine (VIN M, 8th digit, opt LE2). |
| 2023 |
GMC
1 model(tapclick to hide)
Terrain
2020-2024
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| SL | SUV | 2020 - 2021 | L4 1.5L Turbo | FWD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| SLE | SUV | 2020 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| SLT | SUV | 2020 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| Denali | SUV | 2021 - 2024 | L4 1.5L Turbo | FWD/4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| AT4 | SUV | 2022 | L4 1.5L Turbo | AWD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| AT4 | SUV | 2022 - 2024 | L4 1.5L Turbo | 4WD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| Black Edition | SUV | 2022 - 2024 | L4 1.5L Turbo | FWD | Automatic | Fits models with 1.5L engine only. Module is located in the left-hand (driver side) of the engine compartment. |
| 2023 |
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.
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.
Go-Parts Garage · Featured Guide
GM 2020-2025 ECM Failure: Programming, Security Relearns, and What to Check First
This guide covers the required programming, common symptoms, and critical related issues for the Engine Control Module (ECM) in the Chevrolet Camaro, Malibu, Equinox, GMC Terrain, and more.
Read Full Guide →⚠️ Related Trouble Codes (OBD-II)
7 matching guidesIf your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
P0308
2018-2021 Gmc TERRAIN
P0601
2015-2022 Chevrolet EQUINOX
P0601
2018-2025 Gmc TERRAIN
P0607
2016-2024 Chevrolet Malibu
P0607
2018-2024 Chevrolet Equinox
P2261
2023-2024 Chevrolet EQUINOX
U0100
2018-2024 Chevrolet Equinox
↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Miscellaneous Information
OEM Part Numbers:
GM: 12680194, 12691559, 12693292, 12696017, 12697426, 12702989, 12703776, 12709219, 12711695, 12719250, 12721667, 12731974, 12739544
Other: 12717886, 12729250, 12733825
Fits Years: 2020 2021 2022 2023 2024 2025
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