NHTSA Complaint #11435857 — 2016 TOYOTA RAV4

- I believe the ECM has failed, and I believe this after replacing battery, starter, spark plugs, and spark plug wires. While accelerating, and while maintaining a consistent speed over 50 mph, the tachometer (and engine, accordingly) yanks itself back and forth between 3500 and 5500 rpm. The vehicle physically jumps back and forth between massive acceleration and decceleration, without any change in throttle/pedal placement. This occurs while in Cruise Control, Eco Mode, Normal Mode, and Sport Mode. There is not yet a discernable pattern or trigger identified in why this occurs. - My safety and the safety of others has been put at risk by the vehicle's jerking, halting, and unplanned acceleration in heavy traffic situations. It scares me and others in traffic, to the point that people have asked if I was okay after being able to visibly notice the car's behavior on the highway, and my reaction. - The problem has been reproduced twice by an independent service center. Toyota Dealership read the computer for the vehicle to pull codes, told me nothing was wrong, and sent me away. - The vehicle has been inspected by my local Toyota dealership (lackluster inspection, in my opinion). Nothing resulted from this inspection. - There were (and still are) NO warnings lamps, messages, reminders, codes, or notifications of any kind to show that something is abnormal in my engine. This is the most vexing part of this issue. As far as the computer in the Rav4 is concerned, everything is nearly perfect. and it IS NOT.