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Replacement and OEM Parts for 2007 Buick Terraza Engine Control Module

2007 Buick Terraza Engine Control Module

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2007 Buick Terraza
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1 Q&A for Engine Control Module Repair
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  • OEM 2007 Buick Terraza PCM Diagram - 12678511
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    OEM (Genuine) 2007 Buick Terraza PCM

    PartNumber: 12678511
    OEM 2007 Buick Terraza PCM - 12678511
    Product Specifications
    • Notes: 3.9 Liter; Terraza, Uplander; 3.9l
    • Other Names: ECM, PCM
    • Item Dimensions: 8.2 x 7.3 x 4.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12607096, 12636660
    • Part Description: 2007 Buick Terraza PCM
    More Info
    Vehicle Fitment
    • 2007 Buick Terraza | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
    $285.87 MSRP: $538.40
    You Save: $252.53 (47%)

FAQ for Engine Control Module Repair

Q: What should I pay attention to about the Engine Control Module?
A:
It is necessary to record the remaining engine oil life. If the replacement module is not programmed with the remaining engine oil life, the engine oil life will default to 100 percent. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5 000 km (3,000 mi) from the last engine oil change.
By Bob
GM Specialist
01/11/2022

FAQ for Other Repair Info

Q: How to install the Ignition Coil?
A:
You can install the Ignition Coil, the upper right coil mount bolt, the coil mount nuts, the wire retainers to the coil bracket, the upper left coil mount bolt, the right side spark plug wires to the ignition coil, the left side spark plug wires to the ignition coil, the ignition coil electrical connector, the MAP sensor electrical connector, the brake booster vacuum hose to the intake manifold, and the intake manifold cover.
Q: How to install the Ignition Lock Cylinder?
A:
You can insert the Ignition Lock Cylinder, align the lock cylinder retaining tab and the position tab with the slots, push the lock cylinder, install the retaining screws, tilt the lower trim cover up and slide the lower trim cover until the locking tabs snap into the tab slots, install the lower trim cover screws to the steering column, the steering wheel, and the battery negative cable.
Q: How to remove the Knock Sensor?
A:
You can remove the radiator air baffle, the engine harness electrical connector, and the bank 1 Knock Sensor.