Question about 2003 Chevrolet Impala

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Reset security code 2003 Chevy impaula

Need to reset key to ingintio

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Instructions

    • 1 Attempt to start the car. If it does not start, or dies very quickly after it started, then leave the key in the ignition in the "ON" position and wait 10 minutes. Make sure the security light is flashing. After 10 minutes the security light will stop flashing and either turn off or stay on steadily. When it does, then turn the ignition off, wait 20 seconds and attempt to restart the car.
    • 2 Repeat this procedure three times in quick succession without removing the key from the ignition.
    • 3 Start the car following the third 10-minute waiting period. The car should start and stay on. If it stays running, then the codes have been relearned and the problem is solved. If the car still does not start then you may need to have all or part of the passlock system replaced

Posted on Jan 15, 2015

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Posted on Jan 02, 2017

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muskegong

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SOURCE: how do you reset the security code on a 2003 chevy

it is not something that you can do at home or that the dealer can fix without replacing the ECU

Posted on Sep 11, 2010

tayjoejoe

Joe Taylor

  • 2226 Answers

SOURCE: How to reset security code on a Chevy impala 2003

If the security light has come on, that is indicating a problem in the antitheft system. Tho it may be intermittent right now, it can only get worse. Read thru this link, it will help you understand the problem, offer some tips and tricks, and show you some ways to bypass and fix it.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Mar 28, 2012

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