how do you reprogram an ECM
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2005 Nissan Sentra Question: reprogram
Answer #1patrick mannion from Greg Solow's Engine Room, April 17, 2009, 22:41Master
Reprogramming an ECU requires the latest reprogramming software. Some manufacturers offer the capability to reprogram to independent repair shops but it is often prohibitively expensive. Usually it only the dealers that reprogram ECUs.