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Red and Yellow flash when ignition is turned ON

0 votes
step with red connector / run car 30-60 dont help
asked Dec 19, 2019 in Chevrolet by Adam Zajaczkowski (160 points)

2 Answers

0 votes
What is the service number or S/N to the module?
answered Dec 19, 2019 by Derek (178,310 points)
0 votes
start car leaving only the red connector in (or else it will not start)

shut down car


start the programming.
answered Dec 19, 2019 by Robb (232,460 points)