Question about GMC Sierra
...security has to be reset. 1999 sierra It sounds like the system is in Long Tamper Mode. You can usually reset the system by turning the key to the "ON" position and let the vehicle rest until the ...
...10 minute security timer in the computer. It will not start until the timer runs out. Usually the key has to be left on after a start attempt for the ten minutes. Some cars require 30 minutes. I hope ...
Question about GMC Sierra
...SECURITY light, after approximately 10 minutes the light will turn OFF. Turn OFF the ignition, and wait 10 seconds. Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes ( the ...
10 minutes exactly. As the fault gets worse, this will happen more often. Next time this happens, note any lights that illuminate on the dash area. If you see one that says SECURITY or ANTITHEFT, this
...security system by the 10 min wait with key in ignition until security light turns off. Today car started up with no problem until I was on my way home and car staled. Security light wasn't ...
security system. PASSKEY LOCKOUT RESET ALL GM CARS 1999 AND UP 1) Put the key in the ignition and turn to the "ON" position. Leave it that way for 10 minutes. After 10 minutes turn the key and take it
Question about GMC Sierra
...10 minutes 6.Security should reset 7.Start the car Best of Luck This may be related to the antitheft system The system is known for turning off the starter and/or injectors when it fails. Is there a ...
...10. The security system will relearn on the 4th starting attempt and the engine should start and run. Here is a link about the security problem
...it now the security light and airbag light wont shut off but vehicle does run i think you computer may need to be reset . oryou can try un hook you battery for 10 to 15 and see if it re set it self ...
10 minutes the security light should stop flashing and become constantly on. at this time turn off the car and turn it back on to crank the engine..if it fails the first time just recrank it again..it
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