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Thread: Blinking gear/shift indicator

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    Default Blinking gear/shift indicator

    Hello Fellow Members,

    I come to you with a unique problem... The shift indicator/gear light is blinking sporadically.. Mazda asked me to change the transmission control module, I did change it but the problem is still there…got my transmission fluid changed by Mazda, problem is still there… Mazda and another mechanic checked and there are no codes and no AT or check engine light.

    Once the light blinks I feel like the car is in a mode where it doesn’t shift any gear and when the indicator comes back it comes back to the same gear…so let’s say if car is at 3 and I am not speeding, it will come back to 3 and no problem ..if I am speeding like on a highway, it does jerk because it comes back on 3 and then shifts to 5 … This whole ordeal can be of a second or 3 seconds.

    The car is 2012 and only driven 125K. Any ideas what the issue is ? I have attached the link to the video, just in case someone is interested

    https://youtu.be/j6KajD0Gg7w

    Thanks,

    Ali

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    Default Re: Blinking gear/shift indicator

    Quote Originally Posted by ayeli View Post
    Hello Fellow Members,

    I come to you with a unique problem... The shift indicator/gear light is blinking sporadically.. Mazda asked me to change the transmission control module, I did change it but the problem is still there…got my transmission fluid changed by Mazda, problem is still there… Mazda and another mechanic checked and there are no codes and no AT or check engine light.

    Once the light blinks I feel like the car is in a mode where it doesn’t shift any gear and when the indicator comes back it comes back to the same gear…so let’s say if car is at 3 and I am not speeding, it will come back to 3 and no problem ..if I am speeding like on a highway, it does jerk because it comes back on 3 and then shifts to 5 … This whole ordeal can be of a second or 3 seconds.

    The car is 2012 and only driven 125K. Any ideas what the issue is ? I have attached the link to the video, just in case someone is interested

    https://youtu.be/j6KajD0Gg7w

    Thanks,

    Ali
    The link did not work - error message "This video is a duplicate of a previously uploaded video"
    My Parents bought me more Hot Wheels than Barbies when I was little...

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    Default Re: Blinking gear/shift indicator


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    Default Re: Blinking gear/shift indicator

    Did you forget to top up the blinker fluid?


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    Default Re: Blinking gear/shift indicator

    Hi there Ali. I have the exact same problem with my car. It's a 2010 Mazda 3, also roughly 125K. Blinking gear light, followed by the lurching, or "between-gear" mode... Did you manage to figure out a solution to the problem? Neither our mechanic nor the Mazda dealer were able to replicate the problem, or even see it on the computer. But it happens nearly every time we go for a 1-hour drive or more. Quite disconcerting. Thanks for any advice you have to offer!
    -david

    Quote Originally Posted by ayeli View Post
    Hello Fellow Members,

    I come to you with a unique problem... The shift indicator/gear light is blinking sporadically.. Mazda asked me to change the transmission control module, I did change it but the problem is still there…got my transmission fluid changed by Mazda, problem is still there… Mazda and another mechanic checked and there are no codes and no AT or check engine light.

    Once the light blinks I feel like the car is in a mode where it doesn’t shift any gear and when the indicator comes back it comes back to the same gear…so let’s say if car is at 3 and I am not speeding, it will come back to 3 and no problem ..if I am speeding like on a highway, it does jerk because it comes back on 3 and then shifts to 5 … This whole ordeal can be of a second or 3 seconds.

    The car is 2012 and only driven 125K. Any ideas what the issue is ? I have attached the link to the video, just in case someone is interested

    https://youtu.be/j6KajD0Gg7w

    Thanks,

    Ali

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    Jr Member Captain Mazda's Avatar
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    Default Re: Blinking gear/shift indicator

    Sounds like a faulty transmission oil pressure switch causing a sensor issue.

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    Default Re: Blinking gear/shift indicator

    Quote Originally Posted by Davidc View Post
    Hi there Ali. I have the exact same problem with my car. It's a 2010 Mazda 3, also roughly 125K. Blinking gear light, followed by the lurching, or "between-gear" mode... Did you manage to figure out a solution to the problem? Neither our mechanic nor the Mazda dealer were able to replicate the problem, or even see it on the computer. But it happens nearly every time we go for a 1-hour drive or more. Quite disconcerting. Thanks for any advice you have to offer!
    -david
    Did you try changing the oil pressure sensor as suggested and did it work?

    I have a 2011 Mazda 6 with roughly 120k and exact problem and dealer or other mechanic don’t know what it it. Dealer said to replace transmission....

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    Default Re: Blinking gear/shift indicator

    Hi,
    I has this issue with my 2008. It could be the lock cable lever similar to this http://www.torontomazda3.ca/forum/sh...ht=cable+lever but manifests with the symptoms you describe: Shift/gear light go out, transmission lurches. It did this to me on the 407 @100kph.
    I cleaned up the lever at the front of the transmission which solved it for a while but would keep coming back. I replaced it with a new lever, nut and washed (@$14) from dealer and it's been resolved.
    Hope this helps

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