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Thread: Is this the same ECU? Or can someone help..

  1. #1
    Tuner in Training
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    Jul 2020
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    Is this the same ECU? Or can someone help..

    I just saw the part number for my ECU. 2000 Silverado.
    My number is 16220610...
    Is this a "P01"?
    Or would this also be another number for the 411 ECU?
    Thanks.

  2. #2
    Advanced Tuner Matt Vardaman's Avatar
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    Mar 2021
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    Quote Originally Posted by jameswis01 View Post
    I just saw the part number for my ECU. 2000 Silverado.
    My number is 16220610...
    Is this a "P01"?
    Or would this also be another number for the 411 ECU?
    Thanks.
    99-02 Trucks have the P01 Ecm. Some people call it the "0411" which isn't really accurate since that's only one of many part numbers (0411 is just the last four) used during these years. I have no idea what the part number is for my 2001 Silverado. It's a P01 that's now flashed as a 2002 Tahoe running flex fuel with a sensor. One thing to note, the early truck (99,00) P01 ecms have a Primary and Secondary VE tables that can be more difficult to get right. Any of the hptuners custom OS modifiers under the OS tab will remove the secondary VE table.

  3. #3
    Tuner in Training
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    Jul 2020
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    Might I ask what you've swapped your into?
    My 2000 silverado is getting a LQ9 with Texas Speed 220R and Bigger Injectors. I will add a flex fuel sensor later, but don't have it now, and need to get her running. Also Keeping mine DBC, and not DBW... I just need to make sure the 02 Tahoe Flex Fuel config in the repository is setup for DBC and Duel Fans before I flash.
    Then i need help getting the cam tuned in properly.