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 FWD

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)?

3 Answers

24,135

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.

2,480

battery could have a bad connection

I’m going through this now. EXACT same scenario, same car. It wouldn’t start one day. Replaced the battery and starter. Seemed fine for a day. Engine light came on. Mechanic who did repairs looked at it and advised to take to Hyundai Dealership. Next day on the way, there was a pop from the engine, knocking, lost all acceleration power. I was going 70 mph on I-40 at the time, in the center lane, in rush hour traffic. Barely made it to the shoulder without getting mowed down by cars and big rigs flying around me. Nevermind the hazard lights that were immediate turned on. 30 minutes later, power is restored. A friend calls and tells me about an engine recall that is subsequently verified through Hyundai’s website by entering my VIN. My car is affected. But the dealer wants $1330 for a new ECM because it passed their “audible inspection.” Another mechanic and another dealership says bs. The engine needs to be replaced. Even with a new ECM, it’s still at risk for engine failure again in the future and a full replacement includes what? A whole new ECM. Curious to know how your situation played out. I, too, am a woman with a 2011 Sonata Limited Edition and feel these are classic intimidation tactics. There’s a whole class action lawsuit about it for those who paid for the repairs. HUGE settlement. Was there any final resolution for you?

Your Answer:

Sonata

Looking for a Used Sonata in your area?

CarGurus has 46,342 nationwide Sonata listings starting at $1,071.

ZIP:

Hyundai Sonata Experts

  • #1
    toDumbToNotKnow
    Reputation
    1,680
  • #2
    Tom Demyan
    Reputation
    1,540
  • #3
    dandyoun
    Reputation
    1,140
View All

Related Models For Sale

Used Hyundai Elantra
467 Great Deals out of 45,946 listings starting at $1,700
Used Honda Accord
664 Great Deals out of 101,953 listings starting at $999
Used Toyota Camry
851 Great Deals out of 70,814 listings starting at $1,300
Used Kia Optima
327 Great Deals out of 29,394 listings starting at $450
Used Nissan Altima
852 Great Deals out of 62,201 listings starting at $1,000
Used Honda Civic
462 Great Deals out of 44,737 listings starting at $1,150
Used Ford Fusion
738 Great Deals out of 59,657 listings starting at $991
Used Chevrolet Malibu
607 Great Deals out of 50,876 listings starting at $1,550
Used Toyota Corolla
668 Great Deals out of 63,923 listings starting at $1,499
Used Nissan Maxima
217 Great Deals out of 16,909 listings starting at $1,900
Used Hyundai Santa Fe
203 Great Deals out of 14,830 listings starting at $1,500
Used Mazda MAZDA6
161 Great Deals out of 13,278 listings starting at $1,000
Used Hyundai Sonata Hybrid
25 Great Deals out of 1,708 listings starting at $5,500
Used Chevrolet Cruze
465 Great Deals out of 62,084 listings starting at $3,250
Used Hyundai Genesis
87 Great Deals out of 2,585 listings starting at $4,357

Used Cars For Sale

2018 Hyundai Sonata Limited FWD For Sale
2,228 listings starting at $19,921
2017 Hyundai Sonata Limited FWD For Sale
126 listings starting at $14,995
2016 Hyundai Sonata Limited FWD For Sale
4 Great Deals out of 175 listings starting at $14,095
2015 Hyundai Sonata Limited FWD For Sale
42 Great Deals out of 1,256 listings starting at $10,900
2014 Hyundai Sonata Limited FWD For Sale
8 Great Deals out of 176 listings starting at $7,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.