Overdrive light flashing

EMICO LEON

MEMBER
2007 DAIHATSU SIRION
1.3L
4 CYL
2WD
AUTOMATIC
104,000 MILES

After a 10 minute drive just enough for the transmission to become hot the overdrive light blinks and the gear sorts of lock, and it is very slow to pick up acceleration. When you turn it off the alarm stops but picks up after 2 more minutes, when moving to parking and drive as the alarm is on it becomes very rough. I tied to diagnose using obd2 scanner but it's not picking up the code.
I do not know if the problem is electrical or mechanical. The vehicle listed above is a m300 model.

3 Replies

DANNY L

MECHANIC
5,648 POSTS

Hello, I'm Danny.

The way your car is running and having the overdrive light flashing means a diagnostic fault code is stored in your vehicles computer. Just a basic check engine light code reader will not be able to access transmission codes. You will need to use a scanner or code reader that can support transmission faults. Here is a YouTube video from our site that explains a CAN type scanner that can read all systems on a vehicle and also a CAN tutorial for you to view:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

https://youtu.be/InIlnsjOVFA

After you perform this kind of test on your vehicle get back to us with the transmission code information and we can then properly diagnose the issue your car has. Hope this helps and thanks for using 2CarPros. Happy Holidays.

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Thursday, December 31st, 2020 AT 12:53 AM

EMICO LEON

MEMBER
2 POSTS

Thank you. I will request this at the dealership and after this I will get back to you.

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Thursday, December 31st, 2020 AT 1:20 AM

DANNY L

MECHANIC
5,648 POSTS

You're welcome!

Get back to us when you have the transmission code information and we'll go from there. Thanks again for using 2CarPros and Happy Holidays.

Danny-

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Thursday, December 31st, 2020 AT 2:03 AM