Questions & Answers

Re-program tach?

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I wired up an Evo-all to my '05 Lexus GX470 with a Viper alarm/remote start system. It had been working perfectly find for the past few months until I tried remote starting and the remote FOB ran out of battery right when I pressed the remote start button. Now when I try to remote start, the vehicle will start for 1-2 seconds, shuts off, and attempt to keep restarting over and over again.

I spoke with Fortin tech support and they told me to re-program the tach. I asked if it was the same as re-programming it all over again from the start but the tech support just kept repeating "re-program the tach." Based on the install manual I used from your website, the only "programming" I needed to do was the bypass. How do I just program the tach?
asked Jan 22, 2019 in Lexus by equalme (160 points)

1 Answer

0 votes
Tach programming is in your Viper unit, you should contact Viper to know the exact tach reprogramming procedure.
answered Jan 23, 2019 by Mathieu Bertrand Collin (62,040 points)
Tach re-programmed via Viper system but remote start issue still there.
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