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Thread: install paddle shifters in my CX-9

  1. #16
    Registered Member SK77X's Avatar
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    Thanks Srad for looking into this!

    Regarding your question about the heated steering wheel WITH paddle shifters, looking at Mazda6 specs on the MazdaUSA website it appears the 2017/2017.5 Mazda6 does not offer this combination.... BUT, the 2018 Mazda6 (in GT Reserve and Signature trims) does indeed offer this combination. Unfortunately, as yet it does not seem like you can buy parts for the 2018 Mazda6.
    https://www.mazdausa.com/vehicles/mazda6/specs#

    As for the Harness, yeah that's where I'm a little stuck. The part number I listed (BNK8-66-4M2) even though on all the Mazda parts site is not listed as a fit for a Mazda6, the guy who created the DIY tutorial I linked to used that exact part on his '16 Mazda6 retrofit. Knowing Mazda, it's probably going to work on the CX-9 if it works on the 6, and also it's a $25 part so not a big waste if it doesn't work out.

    I completely forgot about the wire adapter for the steering column! In looking at the Mazda6 DIY that step isn't necessary, so I was somewhat hoping it wouldn't be need for the CX-9 either...but it makes sense that it would since the CX-9 wouldn't be pre-wired for paddles shifter compatibility like the 6. Bummer, but we had to do it for the CX-5 paddles so nothing new (hopefully).

    I guess since they don't have the 2018 Mazda6 rear covers available yet, I'll be the guinea pig and try this first. Seems like it'll be an identical DIY to the CX-5 retrofit. I might start order parts soon and then find a quiet weekend to give it a go.

  2. #17
    Registered Member SK77X's Avatar
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    Duplicate post. (unamused)

  3. #18
    Registered Member Srad600's Avatar

    2016 CX-5AWD GT+Tech/ 2018 CX-9AWD GT

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    Quote Originally Posted by SK77X View Post
    BUT, the 2018 Mazda6 (in GT Reserve and Signature trims) does indeed offer this combination. Unfortunately, as yet it does not seem like you can buy parts for the 2018 Mazda6.
    Yep, looks like I'll have to wait a bit.


    Quote Originally Posted by SK77X View Post
    it's probably going to work on the CX-9 if it works on the 6, and also it's a $25 part so not a big waste if it doesn't work out.
    True, I'd bet that it will work as well. Sounds like it's worth a try.

    Quote Originally Posted by SK77X View Post
    I completely forgot about the wire adapter for the steering column! In looking at the Mazda6 DIY that step isn't necessary, so I was somewhat hoping it wouldn't be need for the CX-9 either...but it makes sense that it would since the CX-9 wouldn't be pre-wired for paddles shifter compatibility like the 6.
    My thoughts as well, as I recall this part was pretty inexpensive as well. Better to have it and not need it than the other way around.

    Quote Originally Posted by SK77X View Post
    I guess since they don't have the 2018 Mazda6 rear covers available yet, I'll be the guinea pig and try this first. Seems like it'll be an identical DIY to the CX-5 retrofit. I might start order parts soon and then find a quiet weekend to give it a go.
    Keep us in the loop, It'd be nice to put together a nice how-to similar to what was done for the CX-5.

  4. #19
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    Hi, my name satrio from indonesia. Just install paddle shift on my 2018 Mazda cx9. I installed it at Mazda dealer here. I think they did some custom change on the wiring harnes things and everything else were installed perfectly ( i used mazda cx5 parts and for the plastic cover behind the steering wheel i used mazda 6). what happen now.. none of the paddle shift works. Nothing. what is wrong and what should to do? Need some coding works?
    Please advise...

  5. #20
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    Ask the dealer who did the install?

  6. #21
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    Quote Originally Posted by Srad600 View Post

    I happen to have the heated steering wheel, so this makes me believe that I cannot have that and paddles at the same time. Has anyone seen a 6 with both heated steering wheel and paddles?
    My 2017 Mazda 6 GT has both.
    Heated steering wheel and paddle shifters.
    Maybe only in Canada???

  7. #22
    Registered Member Srad600's Avatar

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    That gives me some hope. I may just check some 6ís the next time Iím at the dealer.
    Sigs are visible only in your first post on a page. To change your thread display preferences, click here and enable 'Always Show Signature'.

  8. #23
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    Quote Originally Posted by SK77X View Post
    Hey guys, so I'm trying to find the correct part numbers to do this retrofit on a 2017 CX-9. My simple logic was to try and find the parts for 2017 Mazda6 since the parts for a 2016 Mazda6 seem to work for a 2016 CX-9.

    Wire Harness: ?? (for 2016 Mazda 6, the following part seems to work: BNK8-66-4M2 (link) )
    Rear cover: GRT7-32-049D-02 (Link)
    Paddle Switch/Paddles: BHT1-66-3P0 (Link)
    Paddle Switch Screw/Bolt: GJS2-32-750 (Link)

    I based this parts list from the following DIY guide for a 2016 Mazda6 retrofit: https://www.mazdas247.com/forum/show...s-2016-Touring


    Anyone have any idea on the correct part number for the Wiring Harness? It's only a ~$20 part so I might just get the one used in the above DIY guide and see if it works on a '17 CX-9 since I doubt there were any serious upgrades to the steering parts between a '16 and '17 CX-9.

    Just mainly checking to see if anyone's been successful with this retrofit (aside from the OP who hasn't provided parts numbers used for his install)?
    The part GRT7-32-049D-02 is incorrect for a rear cover. It does NOT have the cut outs necessary for paddleshifters. It is just the regular rear cover. I have a 2017 Mazda6 and I wanted to install paddle shifters as I use the manual mode 90% of the time.

    I purchased that part and just got a regular cover despite the parts sticker indicating the part number I purchased. Dealership just said they don't know. I contact Mazda US customer support and they forwarded the inquiry to the parts team. After a few days I got a email saying the parts team 'confirmed' it was the correct part for paddle shifters... So basically Mazda USA doesn't even know the correct part.

    I then purchased the $80 rear cover 'with leather' for the 2016 model and it does not fit the 2017 model; the 2016 rear cover differs in where the center hole cutout is placed. I figured it's possible it wouldn't be too much different but I was wrong. From the 2016 to 2017 Mazda6 the steering wheel buttons changed as well so I guess they also made a change to the rear cover.

    This bit of confusion also makes me wonder... why was TK4832049A02 discontinued? Why do all the OEM parts sellers sites specify that part is without paddles and GRT7-32-049D-02 is specifically for paddles? Perhaps it was discontinued because of the incorrect labeling and TK4832049A02 was actually the one to support paddles.

    At this point I'm not sure if I should try buying a couple other rear covers and see if they work. Currently already spent $200 on useless parts including the paddles and wiring harness just because Mazda can't even give me the correct part #. So I know that the 2017 CX3 has a very similar steering wheel button layout and the rear cover part for that is B64E-32-049-02. Still thinking about whether it would be worth it to give it a shot.

  9. #24
    Registered Member SK77X's Avatar
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    Thanks spaceman12, that's damn strange & frustrating that it's the wrong rear cover! There has to be an actual rear cover that fits a 2017 Mazda6 WITH paddles. So frustrating. Thank you for sharing that cautionary tale.

    Good thinking on the CX-3, but I understand your hesitation to spend any more money. You're at least somewhat fortunate that you trying to do the retrofit on a Mazda6, since it already comes fitted with the additional wiring harness that is within the steering column. I don't believe the CX-9 has that pre-installed.

    If the CX-3 has the same steering wheel, maybe it also has the same paddle shifters. That may mean it also has a compatible rear cover. Again, hard to be certain!

  10. #25
    Registered Member SK77X's Avatar
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    Here's a photo of a 2017 CX-3 steering wheel with paddles. Looks to be the same wheel as the 2017 CX-9 and also the 6.


  11. #26
    Registered Member SK77X's Avatar
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    So I found this for 2017/2018 3 and CX3.

    Rear Cover - Mazda (B64E-32-049-02)
    https://www.tascaparts.com/oem-parts...er-b64e3204902


  12. #27
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    Quote Originally Posted by SK77X View Post
    So I found this for 2017/2018 3 and CX3.

    Rear Cover - Mazda (B64E-32-049-02)
    https://www.tascaparts.com/oem-parts...er-b64e3204902

    Yes I came across that part as well. I have been busy and also trying to ignore this for a while. I've recently vinyl wrapped my 6's roof in black and added a black rear spoiler so that kept me happy for a short time. But I use the manual mode so often I keep getting reminded of this... especially when I want to come out of a turn unwinding the steering wheel it is a bit unhandy to try to downshift at the same time. If only I had those paddle shifters!

    Anyways I went ahead and ordered the B64E-32-049-02 part. After receiving and checking it I will definitely come back to report my findings.

  13. #28
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    So the CX3 cover does fit perfectly for the 2017 Mazda 6. Some minor modification is required for the rear cover (just cutting tabs) and the 2016 Mazda6 wiring harness I used (just cutting plastic as well). Here is the link to the guide I posted:

    https://www.mazdas247.com/forum/show...90#post6633690

  14. #29
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    Hi guys, I did install the paddle shifter on my 2019 CX9 following information on parts and guidelines shared in this thread. As for the the rear cover steering, I used CX3 rear cover with slight modification to accommodate air bag removal holes.

    Since my CX9 does not come with the prewiring for the paddle shifter, I bought K015-V7-481 wire harness to connect from the Start/Stop Unit to the Clock Spring. However this wire harness terminal connector does not fit to the Start/Stop Unit housing, so I replace the connector with a smaller dupont connector that fits with the Stop/Start Unit housing.

    Now everything has been installed and all wire are connected, however the paddle shifter does not work. I run a diagnostic check using OBD FORscan, and found that the Paddle Shifter option is not activated on the BCM.

    Does anyone have a saved BCM file for the CX9 with the paddle shifter installed? I would like to compare the BCM program before reconfiguring the BCM program on my CX9.

    Btw, I am from Indonesia. I think my CX9 is imported from Japan. We don't have various trim ie GT, Signature, etc.

    Thank you.

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