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GM 12581565
PCM

2003-2004 GM

Customer Questions & Expert Answers (11)
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 does the service of the engine control module (ECM) typically involve on Chevrolet Express 1500? Posted by Customer
    A:
    A resolution for the powertrain control module (PCM) consists of replacing this unit with a new component or executing changes to the electrically erasable programmable read-only memory (EEPROM). The pcm replacement process should begin with assessing the current part to ensure proper component selection. Change your position to the new service pcm when the faulty one has been confirmed. It is essential to operate with the ignition off when adding or removing power from the pcm through any connection process such as handling battery cables or pcm pigtails or pcm fuses or jumper cables. Check the pcm connector surface debris while verifying that gaskets on pcm module connectors are properly installed because these protect against contaminants entering the system. The replacement model needs programming before installation. Initiate the repair by detaching the air cleaner assembly before cutting off the negative Battery Cable making sure to avoid contact with the pins or attachment points in order to prevent electrostatic discharge (ESD) damage. After disconnecting each of the pcm harness connectors you must open the spring latch then lift the pcm from the mounting tray before removing it from the engine compartment. Put the pcm inside its mounting tray before you lock the spring latch and connect the pcm connectors and torque each end fastener to 8 n.m (71 lb in). Reinstall the air cleaner assembly but before that reattach the negative Battery Cable and program a new pcm by using the service programming system (SPS).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to service the Engine Control Module (ECM) on Chevrolet Silverado 2500? Posted by Customer
    A:
    For powertrain control module (PCM) servicing the servicing options include replacing the unit or programming electrically erasable programmable read-only memory (EEPROM). Apply the right component for replacement by disconnecting the negative Battery Cable first then taking off the harness ground clip from pcm cover (if equipped with RPO NYS) and releasing pcm cover mounting tabs and removing the cover. Disconnect the pcm electrical connectors by first loosening their bolts with the ignition turned off to avoid internal harm. Disconnect the faulty pcm by removing its spring latch then tabs. Install the unit by using the mounting tabs to secure the spring latch while connecting the electrical connectors which should be tightened to 8 n.m (71 lb in). Install the pcm cover along with a harness ground clip if rpo nys is present before reconnecting the negative Battery Cable and performing pcm programming when needed. Follow the procedures to learn the ckp system variation and reset the engine oil life monitor if the reset is required.
    Posted by ChevyPartsGiant Specialist
    Q:
    What does the service of the engine control module (ECM) typically involve on GMC Safari? Posted by Customer
    A:
    Service of the powertrain control module (PCM) leads to two main options which are both pcm replacement and eeprom electrically erasable programmable read-only memory programming. The replacement process requires checking the pcm to verify the accuracy of the selected component. Confirm the replacement part before proceeding with pcm removal to replace it with the new service pcm. Internal pcm damage can be prevented by switching off the ignition before switching power to the pcm through any of battery cables, pcm pigtails, pcm fuses or jumper cables. The surfaces of the pcm connector need to be cleared of any debris and pcm module connector gaskets must be properly installed to avoid contaminant entry. Programming of the new pcm is mandatory for installation. Start the uninstallation sequence by detaching the pcm harness connectors only after switching off the ignition to prevent any harm. After freeing the spring latch on the pcm you should elevate the pcm from its pcm mounting tray to remove it out of the engine compartment. Reposition the pcm inside the mounting tray then fasten the spring latch to the pcm before connecting all pcm connectors while tightening their end fasteners to 8 n.m (71 lb in). Installation of a new pcm requires use of the service programming system (SPS) for programming through proper procedures.
    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 expert answers on similar Engine Control Module
    Q:
    Are all programming methods available for the 2003 Cadillac Escalade? Posted by Customer
    A:
    No, not all methods may be available for every vehicle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar 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 expert answers on similar 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 expert answers on similar 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 expert answers on similar 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 expert answers on similar 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 expert answers on similar 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.