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Make sure this part fits

GM 12581565
PCM

2003-2004 GM

Customer Questions & Expert Answers (19)
GM 12581565 PCM
  • Part Description
    Module, Emission Control System; Engine Control Module
  • Replaces
    89017733
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • 2003 Chevy S10 PCM Diagram for 12581565
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12581565

  • Vehicle Fitment

    Year Make Model Trim Engine
    2004 Cadillac CTSV8 Cyl 5.7 L GAS
    2003 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2004 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2003 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2003 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    2003 Chevrolet Avalanche 1500Base, North Face, On Road Edition, WBH, Z718 Cyl 5.3 L GAS
    2003 Chevrolet Avalanche 2500Base8 Cyl 8.1 L GAS
    2003-2004 Chevrolet BlazerLS, Xtreme, ZR26 Cyl 4.3 L GAS
    2003-2004 Chevrolet Express 1500Base, LS6 Cyl 4.3 L GAS, 8 Cyl 5.3 L GAS
    2003-2004 Chevrolet Express 2500Base, LS6 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
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12581565 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12581565 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the next step after removing the ground wire screw for the 2004 Cadillac CTS? Posted by Customer
    A:
    Flip the release levers to the open position and disconnect the ECM connectors from the ECM.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    How does flash memory differ from eeprom for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Flash Memory offers greater storage capacity, where all information is erased during programming and replaced with new data.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done before replacing the PCM for the 2003 Chevrolet Astro? Posted by Customer
    A:
    Inspect the PCM to ensure the correct part is being used.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What tools are required for Remote Programming for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    For Remote Programming, use the Tech 2 (or other scan tool) and a Techline Terminal or a personal computer with General Motors Corporation authorized programming software, with the control module installed in the vehicle.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be verified before installing a replacement PCM for the 2004 Chevrolet Blazer? Posted by Customer
    A:
    Verify that the service number matches that of the defective PCM.
    Posted by ChevyPartsGiant 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 2004 Chevrolet Express 1500? Posted by Customer
    A:
    It typically involves either replacing the PCM or programming the electrically erasable programmable read-only memory (EEPROM).
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be avoided to prevent damage during disconnection for the 2004 Chevrolet Express 3500? Posted by Customer
    A:
    Avoid touching the connector pins or soldered components to prevent electrostatic discharge (ESD) damage.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What are the steps to access the PCM for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Release the PCM cover mounting tabs and remove the cover.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What circuit does the SPS utilize for the 2003 Chevrolet Suburban 1500? Posted by Customer
    A:
    It utilizes the same serial data circuit employed by the scan tool for retrieving diagnostic trouble codes (DTCs), displaying data, and clearing DTCs.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    How should the PCM electrical connectors be connected for the 2003 Chevrolet S10? Posted by Customer
    A:
    Connect the PCM electrical connectors, tightening the screws to 8 N.m (71 lb in).
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What are the steps for installing a new PCM for the 2004 Chevrolet Silverado 1500? Posted by Customer
    A:
    Engage the mounting tabs of the new PCM, secure the spring latch, and connect the electrical connectors, tightening the bolts to 8 N.m (71 lb in).
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be ensured before replacing the PCM for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Ensure the correct part is used for replacement.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What must be done to the replacement PCM after installation for the 2003 GMC Savana 2500? Posted by Customer
    A:
    The replacement PCM must be programmed.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be ensured before replacing the PCM for the 2004 GMC Sierra 1500? Posted by Customer
    A:
    Ensure the correct part is used for replacement.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What precaution should be taken to prevent internal PCM damage for the 2004 GMC Savana 1500? Posted by Customer
    A:
    Ensure the ignition is OFF when disconnecting or reconnecting power to the PCM.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done before replacing the PCM for the 2003 GMC Safari? Posted by Customer
    A:
    Inspect the PCM to ensure the correct part is being used.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What is the first step to remove the PCM for the 2004 GMC Sonoma? Posted by Customer
    A:
    Disconnect the negative battery cable.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Engine Control Module
    Q:
    What should be done after installing the new PCM for the 2004 GMC Savana 3500? Posted by Customer
    A:
    Reconnect the negative battery cable, reinstall the air cleaner assembly, and program the new PCM using the Service Programming System (SPS).
    Posted by ChevyPartsGiant 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 PCM 12581565 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 12581565 PCM is available in the market under the name GM Engine Control Module, Igniter. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12581565 PCM fits certain Chevrolet S10, Tahoe, Silverado 1500 models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, CTS, Escalade ESV and Oldsmobile Bravada models.
The original GM component designated by manufacturer part number 12581565 maintains top performance when functioning as the Module, Emission Control System; Engine Control Module unit. The component 12581565 is constructed from durable material and its dimensions span 9.2 x 4.2 x 12.6 inches while weighing 4.40 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of ECM. The part 12581565 has available replacement options 89017733. 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.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts, our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.