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Programming issue on 2017 Sierra 1500

0 votes
The module will not finish the last step of the programming before the decrypt process. The blue light will not flash
asked Jan 6, 2020 in GMC by michael pilat (130 points)

1 Answer

0 votes
Blue flash relies on the CAN-SW connection
answered Jan 6, 2020 by Robert T (279,340 points)
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