2020 dct clicking

[itlives]

My DCT functions flawlessly, however there is a clicking sound in the lower gears that has been there since the beginning.
In the last few days it has gotten a lot louder and I can feel it.
I have maintained the bike meticulously. Changed the trans filter every oil change. I don't ride hard...I ride longand for mpg.
Checking other forums with the dct and found no probs like mine.
Supposed to take a semi long trip in the middle of April and sure don't want any problems!
I guess its off to the dealer tomorrow!

Anyone had a similar problem?

 

[Deleted member 10242]

I am only on week 3 with my 2022 DCT but never noticed any such noise. Hopefully your dealer can figure out if it is an issue especially with a long journey in front of you. Let us know what they have to day.

 

[670cc]

Have you investigated the possibility of the noise being caused by the final drive chain? I seem to recall another member having such a situation in the past.

 

[bigbird]

Likely the chain, but I would do a clutch initialization if you haven't already.

Here's the procedure:

1) Hot engine, side stand up, sit on bike

2) Start engine, make sure it is in Neutral, turn off engine

3) While pushing and holding down D on the N/D selector, open throttle fully and hold it open, without releasing both the D and the wide open throttle, turn ignition on, but do NOT start the engine
The yellow MIL lamp (also called the check engine light) will illuminate

4) Release D after MIL goes out (takes only a second or two for it to go out) but don't release the throttle yet
Your gear display window will be blank.

5) Still holding throttle wide open, push quickly in this order: D - D - N - D - N on the N/D selector

6) Close throttle completely
Do not turn off the ignition


8) You are ready to initialize when “ ----- “ blinks slowly every 2 seconds, and "D", and "S" also appear at the same time in the gear display

9) Start engine and let idle

“ ----- “ blinks slowly every 2 seconds

10) when “D” and “S” and “ ----- “ disappear, turn off engine


11) Restart engine and make sure “ D” appears in gear window when you press “ D “ (don't forget, your side stand must be up)

 

[TacomaJD]

Sometimes I notice what seems like some extra "clicking" from the transmission when it shifts in auto mode and at slower speeds / less throttle input. Not sure what causes it, but it seems to come and go and doesn't seem serious enough to care about, so I never have worried about it. Just simply noticed it. I wouldn't worry about it if I were you, just my opinion. The people at the shop are just going to ride it and say, "we didn't hear anything out of the ordinary". Just ride it, you can worry about fixing something if it breaks....which is highly unlikely.

 

[lootzyan]

The sounds coming from transmission at lower speeds, e.g. in second gear, are rather characteristic and localized and quite easily distinguished from other sounds.
I noticed this very early on in my NC DCT ride, especially when I was driving around close to home without earplugs, for example.
The technical descriptions of this DCT confirmed this as a normal operation. If you are going for some time in second gear, say about 15-17 mph, any up or down speed change will cause PCM to react. If you increase the speed, the PCM gives the signal to engage in 3rd gear. If you reduce the speed, 1st gear is engaged. This is the basic principle of DCT - gear first, then clutch. The shifting sounds at lower speeds are more audible. There is less air resistance noise. It would be nice if after too frequent fluctuations in speed a question appeared on the display - "Could you make up your mind ...?"

 

[the Ferret]

can't say I have noticed it in 9 months and 11,000 miles.

 

[670cc]

Perhaps it should be made clear whether the observed clicking is a constant, rhythmic sound, or an intermittent sound at irregular intervals.

 

[TacomaJD]

Perhaps it should be made clear whether the observed clicking is a constant, rhythmic sound, or an intermittent sound at irregular intervals.

If he's talking about the same thing that mine does, it's when it shifts, like lootzyan explained. That actually sounds like a good explanation of what I kind of expected. It doesn't sound like anything is wrong, it sounds like a natural DCT shift noise between gears, just isn't something that happens in every shift under every circumstance.

 

[bigbird]

He should just do the DCT re-initialize and report back.

 

[itlives]

Thanks for all the replies and suggestions.
Greg, it is not rhythmic.
One thing on the reinitializing thing. D-D-N-D-N
Everytime I push the D/N button it will change to either D or N. How do I make the D twice?

 

[bigbird]

Thanks for all the replies and suggestions.
Greg, it is not rhythmic.
One thing on the reinitializing thing. D-D-N-D-N
Everytime I push the D/N button it will change to either D or N. How do I make the D twice?

The engine is not running.
Press D, release D, press D again, release D, press N, release N, press D, release D, press N, release N.

My instructions for the this are for the 2016 and newer DCT's.
Since you have an older DCT, do not hold the throttle open, leave it closed.

 

[dduelin]

Push the D side of button for D - If in D it stays in D
Push the N side of button for N - If in N it stays in N

Make sure the rear wheel cannot turn during initialization process.

DO NOT HOLD THE THROTTLE OPEN DURING THIS PROCEDURE.

The forum host site scrambled the picture sequence below. Use upper right #1, upper left #2, lower left #3 and #4 to finish.

 

[lootzyan]

Ride S-mode for a while at lower speeds and see if there is any difference in the frequency of clicking sounds compared to D-mode.
The Clutch Initialize Learning (PCM) procedure may affect the operation and engagement of the clutches. It has no effect on the loud mechanical shift operation. In addition, this DCT has no gear shift synchronizers.

 

[itlives]

The engine is not running.
Press D, release D, press D again, release D, press N, release N, press D, release D, press N, release N.

My instructions for the this are for the 2016 and newer DCT's.
Since you have an older DCT, do not hold the throttle open, leave it closed.

Mine is a 2020. I just realized I had a brain fart. I was mixing up the N with the S. So, when I press D twice, it won't matter that it goes to S mode?
Anyway, it's raining today so I won't get to it until maybe this afternoon. After today we have multiple days of sunshine!

 

[bigbird]

Mine is a 2020. I just realized I had a brain fart. I was mixing up the N with the S. So, when I press D twice, it won't matter that it goes to S mode?
Anyway, it's raining today so I won't get to it until maybe this afternoon. After today we have multiple days of sunshine!

Then for sure you MUST have the throttle held wide open while doing the procedure as I initially stated.

It doesn't matter that the bike goes into Sport mode when you press D the second time.
Don't even look at the display until you're finished the D-D-N-D-N procedure.
Then when you're finished the DDNDN, look at the display
You are ready to initialize when “ ----- “ blinks slowly every 2 seconds, and "D", and "S" also appear at the same time in the gear display

BTW, when I looked at your fuelly signature, it says Nancy, 2012 NC700X.
You may want to correct that.
That's why I edited to tell you to use the throttle closed when doing the whole procedure.
I had thought you were talking about a 2020 just like mine, but then dduelin posted to not have the throttle opened.
So I went back to your post and saw the fuelly saying your bike was a 2012.

 

[dduelin]

My service manual and the procedure posted is for 2012-2015 models and I thought yours was a 2012 based on your signature.

 

[itlives]

Then for sure you MUST have the throttle held wide open while doing the procedure as I initially stated.

It doesn't matter that the bike goes into Sport mode when you press D the second time.
Don't even look at the display until you're finished the D-D-N-D-N procedure.
Then when you're finished the DDNDN, look at the display
You are ready to initialize when “ ----- “ blinks slowly every 2 seconds, and "D", and "S" also appear at the same time in the gear display

BTW, when I looked at your fuelly signature, it says Nancy, 2012 NC700X.
You may want to correct that.
That's why I edited to tell you to use the throttle closed when doing the whole procedure.
I had thought you were talking about a 2020 just like mine, but then dduelin posted to not have the throttle opened.
So I went back to your post and saw the fuelly saying your bike was a 2012.

That was my first NC. I haven't made another one for this NC.

 

[itlives]

Ride S-mode for a while at lower speeds and see if there is any difference in the frequency of clicking sounds compared to D-mode.
The Clutch Initialize Learning (PCM) procedure may affect the operation and engagement of the clutches. It has no effect on the loud mechanical shift operation. In addition, this DCT has no gear shift synchronizers.

I never ride in D. I have almost 16,000 miles on it. It should know me by now!

 

[lootzyan]

...It should know me by now!

Stubborn S. O. B.