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Replacement and OEM Parts for 2009 GMC Envoy Engine Control Module

2009 GMC Envoy Engine Control Module

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2009 GMC Envoy
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2 Q&A for Engine Control Module Repair
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  • OEM 2009 GMC Envoy PCM Diagram - 12678511
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    OEM (Genuine) 2009 GMC Envoy PCM

    PartNumber: 12678511
    OEM 2009 GMC Envoy PCM - 12678511
    Product Specifications
    • Notes: 4.2 Liter; 2006-09, 5.3 Liter; All Models; 4.2L;All Models; 5.3L
    • 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: 2009 GMC Envoy PCM
    More Info
    Vehicle Fitment
    • 2009 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    $278.36 MSRP: $524.24
    You Save: $245.88 (47%)

FAQ for Engine Control Module Repair

Q: What is the recommended torque for the ECM bracket bolts and nuts?
A:
The recommended torque is 9 Nm (80 lb in).
By Bob
GM Specialist
01/11/2022
Q: What should be noticed about the Powertrain Control Module and Electrostatic Discharge?
A:
Do not touch the connector pins or soldered components on the circuit board to prevent possible electrostatic discharge (ESD) damage to the PCM.
By Bob
GM Specialist
01/11/2022

FAQ for Other Repair Info

Q: What is the removal procedure for the Ignition Coil?
A:
Remove the air cleaner outlet resonator, disconnect the Ignition Coil connectors from the ignition coils, remove the retaining bolts from the ignition coils, and the ignition coils from the engine.
Q: What is the removal procedure for the Knock Sensor?
A:
Remove the Knock Sensor harness connector, the knock sensor retaining bolt, and the appropriate knock sensor.
Q: How do you install the Ignition Lock Cylinder Case?
A:
You need to install 3 TORX(R) screws into the lock cylinder housing, the turn signal cancel cam, the park lock cable into the lock cylinder housing, the ignition switch, and enable the SIR system.