Ignition Module Problems of Infiniti Q45

My 2003 Infiniti Q45 repeatedly stalls [so far, 15+ times] and often will not restart [10+ times]. With my family and me in the car, the stalling of the car puts us repeatedly in jeopardy of a rear-end collision or vandalism or bodily injury in dangerous areas. The car is properly maintained on its service schedule. It took my mechanic a week at a cost of $90 to confirm that the problem is the engine control module [ecm], the 'brain' of the car which controls other vehicle sensors, and this was confirmed by the Infiniti dealer at a cost of $150. The ecm was sent to texas for reconditioning and reprogramming, but is being returned because the ecm is irreparable. The cost to buy and reprogram a new ecm from Infiniti, the only source, is $2000 for a vehicle with 100,000+ miles. But a new ecm will likely have the same problems as the ecm being replaced. I do not want to put my family in repeated jeopardy. There is no assurance that the new ecm will work properly. I am suspicious that the Infiniti ecms contain numerous design flaws. I have had numerous problems, aside from stalling, with the existing ecm, including door locks automatically locking with the key in the ignition so that I am locked out, the locks not unlocking, etc both my mechanic and infinity were unable to diagnose these problems until it became clear that I had a malfunctioning ecm. There was a recent massive recall of Nissan and Infiniti ecms, but the Infiniti Q45 was excluded, even though the symptom of repeated stalling is identical to my car, except that, worse, I also often cannot restart the vehicle.

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