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

The first step to replace the Engine Control Module (ECM) requires turning off the ignition to avoid harm to system components. The scan tool will acquire and document information about the current engine oil life together with automatic transmission fluid life. The first step involves disconnecting the negative Battery Cable followed by removal of the engine wiring harness connectors from both middle and lower locations at the ecm. When dealing with the ecm bracket removal process you should detach the engine wiring harness clip from the ecm bracket tab. Disconnect the engine wiring harness upper electrical connector from ecm by keeping away from the connector pins to stop electrostatic discharge damage. Use your fingers to raise the retaining tab before extracting the ecm from its support brackets. The bracket may need removal when you remove both its bolts and hardware components. Position the ecm bracket properly and then secure the bolts with 6 nm torque until they reach 53 lb in. Insert the ecm onto bracket support tabs before snapping it beneath the retaining tab. Then reconnect the engine wiring harness upper electrical connector and replace the engine wiring harness clip if you changed the ecm bracket. Reconnect the Battery Cable after connecting both the middle and lower electrical connectors to the ecm. New ecms require programming through the reprogramming procedure to operate correctly.

OEM Buick Enclave Engine Control Module

Engine Control Computer

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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: 12651994
$459.23 MSRP: $932.72
You Save: $473.49 (51%)
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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
$1094.38 MSRP: $1771.85
You Save: $677.47 (39%)
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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
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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
$234.37 MSRP: $476.02
You Save: $241.65 (51%)
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

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 Questions & Experts Answers

PCM
19300014
Q: How to replace the Engine Control Module (ECM) on Buick Enclave?
A:
The first step to replace the Engine Control Module (ECM) requires turning off the ignition to avoid harm to system components. The scan tool will acquire and document information about the current engine oil life together with automatic transmission fluid life. The first step involves disconnecting the negative Battery Cable followed by removal of the engine wiring harness connectors from both middle and lower locations at the ecm. When dealing with the ecm bracket removal process you should detach the engine wiring harness clip from the ecm bracket tab. Disconnect the engine wiring harness upper electrical connector from ecm by keeping away from the connector pins to stop electrostatic discharge damage. Use your fingers to raise the retaining tab before extracting the ecm from its support brackets. The bracket may need removal when you remove both its bolts and hardware components. Position the ecm bracket properly and then secure the bolts with 6 nm torque until they reach 53 lb in. Insert the ecm onto bracket support tabs before snapping it beneath the retaining tab. Then reconnect the engine wiring harness upper electrical connector and replace the engine wiring harness clip if you changed the ecm bracket. Reconnect the Battery Cable after connecting both the middle and lower electrical connectors to the ecm. New ecms require programming through the reprogramming procedure to operate correctly.