P1655 code, ACR open all the time
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Stage III
Joined: Feb 2025
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P1655 code, ACR open all the time
I have 2015 Road glide special, installed stage 1 tune with Dynojet power vision.
It is suddenly showing P1655 error code after 10 minutes ride, drop idle RPM, lose compression.
After 1st check, the ACR is still working properly, no wiring problem. Then flashing to a stock tunes, turned off ACR from my PV, but the ACR still opened when switched ignition on.
2nd check, my ECM get warm, around 30° celcius. I try to pull out ACR socket, the bike is working normally with closed ACR, no check engine, error code is gone.
Can anyone figure it out? Thank you for your help!
It is suddenly showing P1655 error code after 10 minutes ride, drop idle RPM, lose compression.
After 1st check, the ACR is still working properly, no wiring problem. Then flashing to a stock tunes, turned off ACR from my PV, but the ACR still opened when switched ignition on.
2nd check, my ECM get warm, around 30° celcius. I try to pull out ACR socket, the bike is working normally with closed ACR, no check engine, error code is gone.
Can anyone figure it out? Thank you for your help!
Last edited by Farissss; Feb 8, 2025 at 10:16 AM.
Seasoned HDF Member
Joined: Sep 2008
Posts: 14,068
Likes: 11,086
From: San Diego, CA
I have 2015 Road glide special, installed stage 1 tune with Dynojet power vision.
It is suddenly showing P1655 error code after 10 minutes ride, drop idle RPM, lose compression.
After 1st check, the ACR is still working properly, no wiring problem. Then flashing to a stock tunes, turned off ACR from my PV, but the ACR still opened when switched ignition on.
2nd check, my ECM get warm, around 30° celcius. I try to pull out ACR socket, the bike is working normally with closed ACR, no check engine, error code is gone.
Can anyone figure it out? Thank you for your help!
P1655 ACR solenoid low/open
Sounds like you have an issue with your ACR.
Usually both won't go bad at the same time. Did you try disconnecting them one at a time? It could show which one is causing the problem.
In any case, ACR inspection/check is where I would start my focus...
Good luck with your diagnostic... Keep us posted.
Thread Starter
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Stage III
Joined: Feb 2025
Posts: 3
Likes: 0
P1655 ACR solenoid low/open
Sounds like you have an issue with your ACR.
Usually both won't go bad at the same time. Did you try disconnecting them one at a time? It could show which one is causing the problem.
In any case, ACR inspection/check is where I would start my focus...
Good luck with your diagnostic... Keep us posted.
Sounds like you have an issue with your ACR.
Usually both won't go bad at the same time. Did you try disconnecting them one at a time? It could show which one is causing the problem.
In any case, ACR inspection/check is where I would start my focus...
Good luck with your diagnostic... Keep us posted.
If i disconnect both sockets, the ACR closed. No error code, no check engine.
They open when i connect the socket, won't closed with error code, and check engine indicator turned on.
Seasoned HDF Member
Joined: Sep 2008
Posts: 14,068
Likes: 11,086
From: San Diego, CA
When you reconnect the "sockets" do just one, then disconnect it, and then do the other...
If you get the error code/engine light with just one connected, and not the other, then you will have found the bad ACR..... Replace it.
If you get the error code/engine light with either of the two connected, then;
1) Both ACRs went bad (which would be unusual)
2) You have a wiring issue to the ACRs
3) You may have an issue with the ECM itself
That little test will help you decide where to focus your attention...
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