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step 1-4 programming on 2012 gmc terrain flip key

0 votes
i can't get into flashing yellow on programming step 1-4 after pressing programming 5x solid yellow led will not flashing on 2012 GMC terrain flip key. anybody having this issue pls help.. thanks
asked Nov 3, 2021 in GMC by Kid Ratits (470 points)

1 Answer

0 votes
What is the S/N number on the back of the module?

Was a t-harness used? If yes which model?
answered Nov 3, 2021 by derek ! (277,310 points)
all those numbers and letters are can't revognize been faded and erased. Bypass Service # 002B04034481 Remote Starter Service #002B07034481. Regular installation
It says the unit has already passed dcryptor.

 

Are you still experiencing an issue?
is the yellow led supposed to solid? it's not even blink. i didn't program the key bypass yet.
I would first master reset the unit: https://fortin.ca/en/download/61931/61931.pdf

 

Then re attempt programming.

 

If you still cannot get into mode selection, try doing it with only the pwoer connected to the unit.
i did. still solid yellow. and the fortin rf antenna not blinking either. the bypass firmware 70.39 it was 70.45 but they are same issue. remote start side firmware 1.25 hardware 7.0
Looking at the history of the unit, this module has been re used on multple vehicles.

 

I would suggest next trying a different module to see if its related to the used unit.
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