Problem code p1631 and p1632

1999 GMC SONOMA
224,789 MILES • 2.2L • 4 CYL • 2WD • MANUAL
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OMAR2012
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  • 1 POST
I put the machine and those codes pop out. Please need some help. Turn down sometime and sometimes it will not in the dashboard. It comes out security from time to go the way. No check engine, somebody went through this. Please help me send me a message to let me know how to work on my truck!
Codes p1631 and p1632. Thank you so much.
Sep 26, 2018 at 1:59 PM
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BENJAMINNORMA JARAMILLO
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I have been having problems with my SUV. I put the machine on codes keep popping up. Somebody please help me to find the problem. The codes are P1632 and p1631. Please help me, thank you.
Sep 26, 2018 at 4:15 PM (Merged)
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DANNY L
  • CERTIFIED EXPERT
  • 5,648 POSTS
Hello, I am Danny.

Those codes have to do with your Anti-Theft System. I have attached a step-by-step picture showing how to test/diagnose. I have also attached a tutorial for you to view. Hope this helps and thanks for using 2CarPros.
Danny-

https://www.2carpros.com/articles/how-to-reset-a-security-system
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Sep 26, 2018 at 9:42 PM
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