How to replace the Engine Control Module on 2006 Buick Terraza?

To change the powertrain control module (Pcm), note the percentage of the engine oil life with the help of a scan tool. Take out the air cleaner assembly cover, the battery, and raise the Pcm. Reassemble all and program the Eeprom in case a new Pcm is installed, and make sure that the gaskets are installed correctly.

OEM 2006 Buick Terraza Engine Control Module

Engine Control Computer

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2 Engine Control Modules found

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2006 Buick Terraza PCM Part Number: 12678511
$265.60 MSRP: $538.40
You Save: $272.80 (51%)
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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
- Item Weight: 2.30 Pounds
- Item Dimensions: 8.2 x 7.4 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12678511
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick Terraza Submodels:
- CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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2006 Buick Terraza PCM Part Number: 19210070
$316.50 MSRP: $592.06
You Save: $275.56 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly, Powertrain Control; Engine Control Module; ECM; Module, Emission Control System
- Item Weight: 2.30 Pounds
- Item Dimensions: 8.5 x 7.2 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19210070
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick Terraza Submodels:
- CX, CXL | 6 Cyl 3.5 L GAS

2006 Buick Terraza Engine Control Module

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2006 Buick Terraza Engine Control Module Parts and Q&A

Q: How to replace the Engine Control Module on 2006 Buick Terraza?
A: To change the powertrain control module (Pcm), note the percentage of the engine oil life with the help of a scan tool. Take out the air cleaner assembly cover, the battery, and raise the Pcm. Reassemble all and program the Eeprom in case a new Pcm is installed, and make sure that the gaskets are installed correctly.