Is there a difference between an electronic throttle control unit and an electronic control unit on a 2007 Dodge Caliber? I just bought my car a little over a year ago and have been having trouble with it shifting. They put a new transmission in it but I'm occasionallyhaving the same problem. Twice I have had the Electronic Throttle Control Unit light come on briefly and then go off. I searched on line and found a recall notice for my car and that the Electronic Control Unit needs to be re-programed.
Is there a difference between the two control units? If so, what are they?|||Yes there is a difference, an electronic throttle control will be a dedicated "controller" that makes sure the throttle system mixes your fuel and air at the right ratio. An ECU (electronic Control Unit) is what can sometimes be known as the computer of the car and oversees all the data from the sensors to make sure the engine is running within its set guidelines. So your ECU will control your ETCU, smog, ignition (spark timing), etc.
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