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When turning igniton to on flashes red 3x

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after installation I tried to program, but when I get to turning ignition to on position red light flashes 3x non stop
asked Aug 5 in Toyota by ANDRES SILVA (130 points)

1 Answer

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I dont know what car you have, nor what you are installing, but that's normally a sign that there is an issue with the immobilizer connection.
answered Aug 5 by Robb (239,720 points)
2018 toyota chr , evo one , with t harness
3 flashes will happen fro two reasons

1/ Connection problem with immo data.

2/ The vehicle is equipped with a factory remote starter.


On all Toyota/Lexus with the factory remote starter, they need to be completely removed in order to add any aftermarket remote starter.