How to replace the Engine Control Module (ECM) on Buick Enclave?

The initial step before replacing the Engine Control Module (ECM) requires turning off the ignition since this action protects against possible damage. The remaining engine oil life and automatic transmission fluid life should be obtained with a scan tool for record purposes. Begin by removing the negative cable from the battery then proceed to disconnect middle and lower electrical connectors of the engine wiring harness from the ecm. When replacing the ecm bracket you must pull off the engine wiring harness clip from the ecm bracket tab. The installation requires disconnecting the upper electrical connector from the ecm while maintaining base contact with the pins in order to protect against electrostatic discharge damage. You can pull the ecm off the support brackets after lifting the retaining tab. You should remove the ecm bracket bolts along with the bracket itself when necessary. The installation process requires positioning the ecm bracket (when necessary) followed by adding bolts that should be tightened to 6 nm (53 lb in). Place the ecm under the retaining tab on the support tabs of the ecm bracket while you attach the upper electrical connector of the engine harness to the ecm. The engine wiring harness clip requires installation to the ecm bracket tab before connecting the middle and lower electrical connectors to the ecm. Reconnect the negative Battery Cable. Pm programming of a newly installed ecm becomes necessary to guarantee proper operational behavior of the system.

OEM Buick Enclave Engine Control Module

Engine Control Computer

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7 Engine Control Modules found

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Buick Enclave PCM Part Number: 12653998
$389.84 MSRP: $791.80
You Save: $401.96 (51%)
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Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 12633555
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick Enclave | Base, Convenience, Leather, Premium | 6 Cyl 3.6 L GAS
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Buick Enclave PCM Part Number: 12678511
$265.60 MSRP: $538.40
You Save: $272.80 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 12636660, 12607096
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Buick Enclave | CX, CXL | 6 Cyl 3.6 L GAS
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Buick Enclave ECM Part Number: 12725663
$257.29 MSRP: $476.02
You Save: $218.73 (46%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Module, Emission Control System
- Replaces: 12683348, 12679078, 12659039, 12708794, 12698026, 12687296
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Buick Enclave | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Enclave PCM Part Number: 12667002
$248.14 MSRP: $504.00
You Save: $255.86 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017 Buick Enclave | Convenience, Leather, Premium | 6 Cyl 3.6 L GAS
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Buick Enclave PCM Part Number: 19300016
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Buick Enclave | CX, CXL | 6 Cyl 3.6 L GAS
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Buick Enclave PCM Part Number: 12651994
$517.66 MSRP: $932.72
You Save: $415.06 (45%)
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 12643248
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Buick Enclave | Base | 6 Cyl 3.6 L GAS
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Buick Enclave PCM Part Number: 19300014
$1123.67 MSRP: $1771.85
You Save: $648.18 (37%)
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 19300015
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick Enclave | CX, CXL | 6 Cyl 3.6 L GAS

Buick Enclave Engine Control Module

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A notable sub-assembly known as the Buick Enclave Engine Control Module or ECM is a major part that balances reliability and performance in automobiles. Sitting at the heart of the Buick Enclave, the Engine Control Module provides exemplary engine administration by way of regulating amounts of fuel and air as far as sensor input directs. This makes it possible to realize the competent capacity of every Enclave model and at the same time improve on its performance and safety. This ECM has been designed to work on different models of Buick Enclave since the model was first produced in 2007, and since it controls the air fuel ratios and the idle speed of the engine, then the ECM is important for the engine efficiency. Some of the differentiating factors of the Buick Enclave Engine Control Module included here are its features; advanced function features; and other features such as the dimension, weight, and power features. Not only does it hold instructions which enable the efficient running of the engine but the ordinary map can be tuned in vehicles that have been altered in some way. Their inclusion into the ECM is important given that they enhance the ease and smoothness of driving the car besides being critical for its performance. From its early models up to the present, the Buick Enclave has always incorporated the Engine Control Module in its developments to shape the vehicle's characteristics known up to this date, especially its roominess, comfort, and responsiveness despite the added heft. In conclusion the Buick Enclave Engine Control Module signifies Buick's endeavour of innovation, safety and performance in the class of SUV's in the market.

Buick Enclave Engine Control Module Parts and Q&A

PCM
19300016
Q: How to replace the Engine Control Module (ECM) on Buick Enclave?
A:
The initial step before replacing the Engine Control Module (ECM) requires turning off the ignition since this action protects against possible damage. The remaining engine oil life and automatic transmission fluid life should be obtained with a scan tool for record purposes. Begin by removing the negative cable from the battery then proceed to disconnect middle and lower electrical connectors of the engine wiring harness from the ecm. When replacing the ecm bracket you must pull off the engine wiring harness clip from the ecm bracket tab. The installation requires disconnecting the upper electrical connector from the ecm while maintaining base contact with the pins in order to protect against electrostatic discharge damage. You can pull the ecm off the support brackets after lifting the retaining tab. You should remove the ecm bracket bolts along with the bracket itself when necessary. The installation process requires positioning the ecm bracket (when necessary) followed by adding bolts that should be tightened to 6 nm (53 lb in). Place the ecm under the retaining tab on the support tabs of the ecm bracket while you attach the upper electrical connector of the engine harness to the ecm. The engine wiring harness clip requires installation to the ecm bracket tab before connecting the middle and lower electrical connectors to the ecm. Reconnect the negative Battery Cable. Pm programming of a newly installed ecm becomes necessary to guarantee proper operational behavior of the system.