when replacing the ECM on a 97 sentra with another used ECM do i have to have it flashed by the dealership?

Asked by Aug 16, 2013 at 09:17 PM about the 1997 Nissan Sentra GLE

Question type: Maintenance & Repair

my 97 nissan sentra want start after trying many different things I was told by a mechamnic that its probley the ECM, I purchased a used one that matched but do I need to have the dearlership Flash it for me?

2 Answers

http://www.youtube.com/watch?v=Y1sVpHClhXs

3 of 3 people found this helpful.
100,595

The ECM did not require a reflash just as long as the numbers match.

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