has anyone had a problem with the engine control module on a Sonata Limited

Asked by Feb 23, 2017 at 02:42 PM about the 2011 Hyundai Sonata Limited

Question type: Maintenance & Repair

I have a 2011 Hyundai Sonata LTD.  three weeks ago I tried to start my car
and it would not start.  The lights on the  dash board came on but when I
pushed the start button everything we went off.  I could not turn the steering
wheel or put the car into another gear.    I brought it to a dealership and they
said my battery and starter needed to be replaced.  I paid them $695 to
replace a starter ( i am a girl so of course it cost more) and I replaced the
battery.  Everything was fine for about 5 days than I noticed a change in the
way the car drove.  I would put my foot on the excelerater and the RPM"s
would go up but the increase in speed would lag or not go up at all.  Now the
car is not starting again.  The  lights go on but when I push the start button
everything shuts down.  Can this be the ECU (or Powertrain control
module)?

2 Answers

21,055

I would have the alternator load tested. Check the battery terminal wires & terminals for being tight and corrosion free with good connections at each end. Not know the cost of the starter at the dealership off hand I would still think you paid dearly for it.

1,590

battery could have a bad connection

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