Questions & Answers

2016 sierra 1500 truck wont 3x start

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2016 sierra 1500 truck wont 3x start fortin unit is flashed and encrypted i did not wire the on star side of the unit but i do have on star however i dont pay for it . went through the system options and turned on the standalone function still no start .
asked Aug 30, 2019 in GMC by Kyle Bradford (130 points)

2 Answers

0 votes
what is the 12 digit service number of the unit?

does the blue led flash on every lock press?

does the red led turn on after pressing 3x lock?
answered Aug 30, 2019 by Robert T (302,370 points)
001a06 826071

No blue light and no red light

Just yellow light if i start the truck manually.

If not already done from when we spoke earlier
 

  1. reset the unit: https://cdn02.fortin.ca/en/download/61931/61931.pdf
  2. go back to the flash link and enable options c1 + d1 + d2, (leaving A1 to A11 On)
  3. go back to car and reprogram
  4. go back to flash link and run dcryptor


Before doing all that though, check if your Flash Link has the latest update 4.05. Go into Help (way up top left corner) then Flash Link Firmware Update. This sounds like it may your issue since without this update, your dcryptor may never update correctly back into the evo. 

 

0 votes
I know you've likely gotten your starter working, but for others having a similar issue, here's what I found. I've got the exact same truck, 2018, but same thing. Mine wasn't starting either, and when I read this, I went to check to see if I had blue and red lights, mine was a blue light every other lock press, so I had to press it 6 times, and it would start. Then after that happening the first time, it worked like it should and only requiring 3 lock presses from the remote fob. No idea why it did that or what the issue was, but its working properly now, we'll see what happens over the next few weeks/months, but I'm hoping it was a fluke.
answered Nov 24 by dan_cooper_17 (150 points)
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