Transmission not working properly

Tiny
KBEE
  • MEMBER
  • 2010 KIA CERATO
  • 1.6L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 202,021 MILES
No engine check light on although car transmission not working properly.
Things I did:
1. Reset ECM.
2. Change Transmission Fluid.
3. Cleaned ABS sensors.
4. Fluid and changed Brake System.
Symptoms:
Car braking suddenly while driving
After starting and selecting gears car cuts out.
Thanks,
kbee
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Friday, February 28th, 2020 AT 4:09 PM

7 Replies

Tiny
ROY B
  • EXPERT
Good afternoon,

Why did you reset the ECM? All that does is make it forget a fault. Was there a fault code stored?

Is or was any other light on?

Roy
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Friday, February 28th, 2020 AT 4:55 PM
Tiny
KBEE
  • MEMBER
Hi Roy, did a diagnostic scan with no fault code found, so I thought there was a fault with the Transmission Control Module, which is in the ECM, so I did a reset hoping it will correct the issue but it still there. No other light except the ABS light, that why I flush the brake system and clean the ABS sensors.

Kbee
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Friday, February 28th, 2020 AT 6:13 PM
Tiny
ROY B
  • EXPERT
Okay, first, resetting does nothing. All it does is make the ECM forget a fault code.

What is the exact issue with the transmission?

https://www.2carpros.com/articles/automatic-transmission-problems

Roy

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Friday, February 28th, 2020 AT 6:21 PM
Tiny
KBEE
  • MEMBER
Thanks for that info. My transmission issues are:
Car jumps when place in any gear.
When driving front left wheel locks off.
It only drives reasonably if you use the Tiptronic lever.
P.S, The transmission fluid change was like tar, black and thick.

Kbee
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Friday, February 28th, 2020 AT 6:34 PM
Tiny
ROY B
  • EXPERT
That is not good with the fluid.

I would do it several more times to get it cleaned. That may be the entire issue.

The fluid must flow freely for it to perform.

Roy
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Friday, February 28th, 2020 AT 6:41 PM
Tiny
KBEE
  • MEMBER
Thanks, I will do that and get back to you.
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Friday, February 28th, 2020 AT 6:44 PM
Tiny
ROY B
  • EXPERT
Sounds like a plan.

You are welcome.

Always glad to help.

Roy
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Friday, February 28th, 2020 AT 6:53 PM

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