speedometer fluctuation

Asked by Oct 10, 2019 at 03:59 AM about the 2011 Kia Rio

Question type: Maintenance & Repair

i have a kia rio 2011 while driving the speedometer fluctuates badly then
dropping to 0km/h, powersteering comes so sensitive and sometimes during
fluctuation the engine stalls,even diagnose with code U1112, P0501 and
U0155 ive changed speed sensor and crankshaft position sensor but no luck
can anyone advise

5 Answers


All signs of a defective Vehicle speed Sensor. As you say you replaced it, you probably didn't get it hooked up right so the car's computer isn't receiving a signal. All these codes point to that.

2 people found this helpful.

thing is it can run normal for like 1 hour engine running, but then that problem develops, shutting down the engine for 15mins and starting up all is good then the it starts again the cycle goes on


Does this also mean the same with the RPms fluctuations going up and down like crazy !?!? I have a 2019 new. And I can’t stand my kia. It drives me crazy. The dealership I got my kia from told me it was a crt engine. I just got it in June and they now tell me it’s not a cvt. The sales ppl have no idea what is going on or what they are selling :’(


Answer to Jessgirl4. Your car's under warranty and you need to have the dealer address all problems. Otherwise, if you mess with something, it could give Kia an excuse to deny warranty coverage. Take the car to the dealer and press them for repair. In California, we have a Lemon Law. If you have something like this, find out it's parameters and tell the dealer if they can't fix the car, they can give you a new one. That would also solve the CVT problem, as well.

2 people found this helpful.

So question 2019 Kia Rio do have crt engines?!!! Thanks so much for your reply. I have not messed with it at all. I have plenty of pictures and videos. And in last few days my radio & car play keeps freezing and turning black!!! I’m so stressed!! I should have never left Honda!!!!

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