How to Safely Handle and Replace the Engine Control Module on 2007 GMC Acadia?

In the case of the replacement of the Engine Control Module (ECM), the ignition must be switched off to avoid breaking it. Wipe connector surfaces and check gaskets. Documented engine oil and transmission fluid life. Unplug the negative battery and electrical connectors of the ECM. Install the new ECM, making sure it is well connected and reprogrammed as needed.

OEM 2007 GMC Acadia Engine Control Module

Engine Control Computer

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2007 GMC Acadia 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 2007 GMC Acadia Submodels:
- SLE, SLT | 6 Cyl 3.6 L GAS

2007 GMC Acadia Engine Control Module

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2007 GMC Acadia Engine Control Module Parts and Q&A

Q: How to Safely Handle and Replace the Engine Control Module on 2007 GMC Acadia?
A: In the case of the replacement of the Engine Control Module (ECM), the ignition must be switched off to avoid breaking it. Wipe connector surfaces and check gaskets. Documented engine oil and transmission fluid life. Unplug the negative battery and electrical connectors of the ECM. Install the new ECM, making sure it is well connected and reprogrammed as needed.