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How to retrieve check engine code without scanner on 2019 silverado

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How do I retrieve check engine code without scanner on 2019 silverado.   My old dodge I could turn the ignition key several times to get check engine light codes.  My new silverado is push button?  Any help is appreciated.

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Yeah, you need a scanner.  Note, there are a number of computers in your truck (10+), and cheap scanners will only read one, then as you get into more expensive ones, they'll add a couple more (ABS, airbags, transmission), and perhaps live data, then more expensive ones will read codes from all the computers in your truck and also perform a variety of diagnostic and repair procedures.

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