2018 equinox LT service theft deterrent system light is on

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

waltham41

New member
Joined
Feb 14, 2020
Messages
8
Reaction score
1
I bought an aftermarket keyless fob for the car and programmed it myself.
I must have miscounted somewhere the first try the fob didn't program and the "service theft deterrment system" light has lit up.
Second time fob programmed and is working fine.
But the light is still on.
Car starts and runs fine but I need to find out if there is a trick to telling the system it was just me adding a fob so it will reset.

Thanks in advance.
 

Celulloyd

New member
Joined
Dec 6, 2023
Messages
1
Reaction score
0
waltham41,

Has anyone answered your question about the theft deterrent warning light?
 

Hey Vern!

Active member
Joined
Mar 24, 2023
Messages
272
Reaction score
78
Location
South Central PA
From the internet:
Insert your key and hold it in the “off” position for 30 seconds. Then, turn the key to “on” and wait at least 10 minutes. Flip the position back to off for 30 seconds and repeat the cycle. Do this for 3 cycles (a total of 30 minutes) and then try turning your vehicle on.[5]
  • If your car starts, the anti-theft system just needed to be reset. This off-on repetition resets the connection between the key and the computer, so if it’s a basic bug, this should do the trick.
  • On some makes and models, you only need to do this for 10 minutes, not 30.
 

Members online

Top