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GM 12602801
ECM

2004-2007 GM

Customer Questions & Expert Answers (19)
GM 12602801 ECM
  • Part Description
    Module, Powertrain Control (P59)
  • Replaced By
    89017749
  • Manufacturer
    General Motors
Make sure this part fits
$534.19 MSRP: $962.30
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Core Charge: $120.00
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2004-2005 Cadillac CTSV8 Cyl 5.7 L GAS
    2005 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    2005-2006 Chevrolet Avalanche 2500LS, LT8 Cyl 8.1 L GAS
    2005 Chevrolet BlazerBase, Xtreme, ZR26 Cyl 4.3 L GAS
    2005-2007 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2005-2007 Chevrolet Express 2500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2005-2007 Chevrolet Express 3500Base, LS, LT8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    2005-2007 Chevrolet Silverado 1500Base, LS, LT, WT6 Cyl 4.3 L GAS
    2007 Chevrolet Silverado 1500 ClassicLS, WT6 Cyl 4.3 L GAS
    2005-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 8.1 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12602801 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12602801 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the next step after checking the voltage for the 2005 Cadillac CTS? Posted by Customer
    A:
    Disconnect the battery negative cable, then remove the ECM fuse, TCM/IPC fuse, and ECM/TCM fuse from the underhood fuse block.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What is the first step in the removal procedure of the PCM for the 2005 Chevrolet Astro? Posted by Customer
    A:
    Disconnect the PCM harness connectors, ensuring the ignition is OFF to avoid internal damage.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What steps should be taken before removing the faulty PCM for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Keep the ignition switch OFF when disconnecting or reconnecting power to the PCM, and remove any debris from around the PCM connector surfaces.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What are the steps to remove the PCM after disconnecting the battery for the 2005 Chevrolet Blazer? Posted by Customer
    A:
    Move the PCM retention bar and retainer away from the PCM, remove the PCM from the mounting bracket, and disconnect the electrical connectors.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be disconnected during the removal process for the 2006 Chevrolet Express 1500? Posted by Customer
    A:
    Disconnect the negative battery cable and the PCM harness connectors.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What does the service of the powertrain control module (PCM) typically involve for the 2007 Chevrolet Express 2500? Posted by Customer
    A:
    It typically involves either replacing the PCM or programming the electrically erasable programmable read-only memory (EEPROM).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done after installing the PCM for the 2005 Chevrolet Express 3500? Posted by Customer
    A:
    Reconnect the negative battery cable and program the PCM if it is new.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done after installing the PCM cover for the 2006 Chevrolet Silverado 1500? Posted by Customer
    A:
    Ensure the tabs are engaged, and if a new PCM was installed, program it accordingly.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What is the first step in the removal procedure for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Use a scan tool to retrieve and record the percentage of remaining engine oil life, then disconnect the negative battery cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done for RPO HP2 for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Remove the hybrid control module (HCM).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    How do you access the PCM for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Release the PCM cover mounting tabs and remove the PCM cover.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What precaution should be taken to prevent internal PCM damage for the 2005 GMC Safari? Posted by Customer
    A:
    Ensure the ignition is OFF when disconnecting or reconnecting power to the PCM, including battery cables, PCM pigtails, PCM fuses, or jumper cables.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What is the installation process for the new PCM for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Engage the mounting tabs of the new PCM, secure the spring latch, connect the electrical connectors, and tighten the bolts to 8 N.m (71 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What is the procedure for removing the PCM cover for the 2005 GMC Sierra 1500? Posted by Customer
    A:
    For vehicles not equipped with RPO HP2, release the PCM cover mounting tabs, detach the cover from the mounting bracket, and remove the cover. For vehicles equipped with RPO HP2, follow the same cover removal steps.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What is the first step in the removal procedure for the 2006 GMC Savana 2500? Posted by Customer
    A:
    Use a scan tool to retrieve and record the percentage of remaining engine oil life.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What precautions should be taken when disconnecting the PCM electrical connector for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Ensure the ignition is OFF when disconnecting or reconnecting the PCM connector to prevent damage.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done after securing the ECM for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Reconnect the lower and upper electrical connectors, engaging their respective retainers, and then reconnect the negative battery cable.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What precaution should be taken when handling PCM connectors for the 2006 GMC Savana 3500? Posted by Customer
    A:
    Always turn the ignition OFF when handling PCM connectors and disconnecting or reconnecting power to prevent internal damage.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Engine Control Module
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM ECM 12602801 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12602801 ECM is available in the market under the name GM Engine Control Module. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12602801 ECM fits certain Chevrolet Silverado 1500, Silverado 2500 HD, Blazer models, as well as GMC Sierra 1500, Sierra 2500 HD, Safari. Additionally, it is compatible with Cadillac CTS models.
The original GM component designated by Manufacturer Part Number 12602801 maintains top performance when functioning as the Module, Powertrain Control (P59) unit. The component 12602801 is constructed from durable material and its dimensions span 11.0 x 8.2 x 3.9 inches while weighing 4.20 Pounds. The component is ready in New condition to ensure full compatibility with your vehicle system. The part 12602801 has available replacement options listed under 89017749. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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