Wont start with key

Asked by GuruX2L63 Nov 14, 2018 at 09:34 PM about the 2000 GMC Sonoma SL Ext Cab Short Bed 4WD

Question type: Maintenance & Repair

My truck will not start with the ignition lights blink
everything wont start but if you take a screwdriver
to the starter it starts fine after a few start wont
start with the ignition again

1 Answer

3,030

This is a very common problem on GM vehicles. The security system is notoriously known to fail. Basically when you insert your key, the system checks for a certain signal. If the system cannot get the correct signal from the key, it assumes the key is incorrect or you are attempting to hotwire it. The system then goes into SECURITY lockout mode. (prevents vehicle theft) This will either turn off the starter, or the fuel injectors. This has been happening with GM's for a very long time. There are ways to bypass this now. Read through this page for info, solutions as well. http://www.diy-gm-security.com/

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