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gerrylum's latest activity
gerrylum
reacted to
DeanB1452's post
in the thread
Installed Comma 4 Ai and now R1T stuck in Park!
with
Like
.
If you get the Extreme Dev Kit, you won't have to make any modifications to the EDK harness as it already has the AXM power bypassed and...
Today at 9:07 PM
gerrylum
reacted to
sk8nsanta's post
in the thread
Installed Comma 4 Ai and now R1T stuck in Park!
with
Like
.
Thanks for the quick response. Okay so in theory the out of the box solution should work, however if there are faults or other errors...
Today at 9:07 PM
gerrylum
reacted to
LivingInKaos's post
in the thread
Installed Comma 4 Ai and now R1T stuck in Park!
with
Like
.
The comma harness will supply power itself to the comma 4 from the axm connection. No need for other power. However, we've found that...
Today at 9:07 PM
gerrylum
reacted to
LivingInKaos's post
in the thread
Comma AI - Longitudinal Adapters For Sale
with
Like
.
Angle control will be the way in the future as the driving models get better. For now, torque, especially with the Adventure Pilot...
Saturday at 6:46 AM
gerrylum
replied to the thread
Comma AI - Longitudinal Adapters For Sale
.
There's a reason FSD and Rivian's Autonomy + use angle based instead of torque. I'm selling my Longitudinal upgrade. Let's make a deal.
Saturday at 6:26 AM
gerrylum
replied to the thread
Installed Comma 4 Ai and now R1T stuck in Park!
.
That has happened to a few people - the conflict on "wake" issue using the F34 fuse. Strange thing is it only affects some people...
Friday at 4:43 PM
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
The first batch of harnesses are already on their way to US-based distributors and should be in customers' hands in a few weeks.
Friday at 10:59 AM
gerrylum
replied to the thread
Installed Comma 4 Ai and now R1T stuck in Park!
.
I can't imagine that being the reason and, like you said, wouldn't explain why it only happens at home and nowhere else. Are you...
Thursday at 8:56 AM
gerrylum
replied to the thread
Installed Comma 4 Ai and now R1T stuck in Park!
.
Thank you! I'm glad the videos helped. That is SUPER weird that it only happens when you park at home. I wonder if it's more about...
Thursday at 8:45 AM
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
Yes you still get the discount! The order number in the post (1628) was just referring to whether you have the updated wiring harness...
May 26, 2026
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
Are you not a current longitudinal upgrade user?
May 25, 2026
gerrylum
reacted to
Tarkus's post
in the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
with
Like
.
Order placed, but could not add discount code for returning customers... rats... looking to add another 50,000 miles to my CX3 & Tarkus...
May 25, 2026
gerrylum
reacted to
Singletracker's post
in the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
with
Like
.
Well, I guess I had successfully installed Adventure Pilot, after all. This apparently explains why my steering wheel was able to go...
May 25, 2026
gerrylum
reacted to
LivingInKaos's post
in the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
with
Like
.
Also, on Sunnylink the branch name is right there in the device details section.
May 25, 2026
gerrylum
reacted to
Singletracker's post
in the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
with
Like
.
Thank you soooo much!! I will check it out tomorrow.
May 24, 2026
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
Adventure Pilot is just a fork of Sunnypilot so they are essentially identical to the end user, except for the startup icon and of...
May 24, 2026
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
Sounds like you may actually have succeeded in installing it. I don't think Uncle Tony's 90-degree defeat code is merged into main...
May 24, 2026
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
That's correct. The wiring on the harness from Comma (and older Lukas harnesses for that matter) isn't compatible with the Extreme CAN...
May 24, 2026
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
Here is the full announcement. If you are a current customer of the longitudinal upgrade kit, you can also apply a 25% discount off your...
May 24, 2026
gerrylum
reacted to
josh0's post
in the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
with
Like
.
The angle steering harness is available to order now? Am I missing something? All I see is a single harness for each gen. Is there just...
May 24, 2026
gerrylum
replied to the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
.
That's great! Are you running Adventure Pilot or were you able to do 90Âş+ turns on stock Sunnypilot? The angle steering harness is...
May 24, 2026
gerrylum
reacted to
wavrdn's post
in the thread
Installed Comma 4 Ai and now R1T stuck in Park!
with
Like
.
If you still get that symptom, for me it was a crimped USB-C cable from Comma. It's too fragile IMO. I also had a ton of other warnings...
May 21, 2026
gerrylum
reacted to
Millennialdentist's post
in the thread
Installed Comma 4 Ai and now R1T stuck in Park!
with
Like
.
Alright got things moved around! Will let you know how it goes now!
May 21, 2026
gerrylum
replied to the thread
Installed Comma 4 Ai and now R1T stuck in Park!
.
The AXM is where you plugged the harness into. I'd recommend looking at this document, especially the section starting on page 10...
May 21, 2026
gerrylum
replied to the thread
Installed Comma 4 Ai and now R1T stuck in Park!
.
You said you are using the Comma harness and fusetap. Did you remove the AXM power connection from the harness?
May 21, 2026
gerrylum
reacted to
Great Gatsby's post
in the thread
Gen 1 vs Gen 2 Observations
with
Like
.
Thanks for sharing! I like the incremental updates to the Tri. I don't think they expected many people to go from gen1 to gen2 so I'm...
May 19, 2026
gerrylum
reacted to
SwampNut's post
in the thread
Adaptive Cruise Control unavailable until serviced
with
Like
.
Today I had this error when I had forgotten to put the Comma back into on-road mode. So the Comma was "half there" and seemed to lead...
May 19, 2026
gerrylum
replied to the thread
Adaptive Cruise Control unavailable until serviced
.
Ah, ok, you have a Lukas harness. That's a different story. Yeah, that shouldn't make much of a difference in this situation. You're...
May 19, 2026
gerrylum
replied to the thread
Adaptive Cruise Control unavailable until serviced
.
Yeah, that can cause issues as well. Generally recommended to use either fusetap OR AXM power, but not both at the same time. Using...
May 19, 2026
gerrylum
reacted to
jbrumsey's post
in the thread
Adaptive Cruise Control unavailable until serviced
with
Like
.
Good call. I have not removed that connection. Certainly something to try next.
May 19, 2026
gerrylum
replied to the thread
Adaptive Cruise Control unavailable until serviced
.
Did you also remove the AXM power connection if you're using the harness from Comma?
May 19, 2026
gerrylum
reacted to
SwampNut's post
in the thread
Adaptive Cruise Control unavailable until serviced
with
Like
.
I keep forgetting how important this is. To add to this, all of my mystery car freakouts stopped when I switched to fuse power.
May 19, 2026
gerrylum
replied to the thread
Adaptive Cruise Control unavailable until serviced
.
Out of curiosity, how are you powering your Comma? OBDII power, fusetap, or are you using the AXM power through the harness?
May 19, 2026
gerrylum
replied to the thread
Adaptive Cruise Control unavailable until serviced
.
I've also done a ton of Openpilot driving since the last update with no issues.
May 19, 2026
gerrylum
replied to the thread
Comma harness issues?
.
Might need to try a 12v reset?
May 18, 2026
gerrylum
reacted to
Hamal's post
in the thread
EV Play + Comma 3x install - advice
with
Like
.
Thanx men was just looking at your YouTube channel! Thanx for the quick response!
May 17, 2026
gerrylum
reacted to
mczouav's post
in the thread
fw2026.15.0 (gen1) can t use amazon music anymore with new Rivian Assistant
with
Like
.
The updated fw came today and it hit me that amazon music is not even available when rivian assistant is active. (Still other bugs on it...
May 17, 2026
gerrylum
replied to the thread
EV Play + Comma 3x install - advice
.
There's no difference in the installation process between the 3X and the 4.
May 17, 2026
gerrylum
reacted to
godfodder0901's post
in the thread
EV Play + Comma 3x install - advice
with
Like
.
Size and better thermal management. In a hot climate, the 4 would be a better option.
May 17, 2026
gerrylum
replied to the thread
EV Play + Comma 3x install - advice
.
Which item are you referring to specifically? If you mean the Comma you can get it from https://comma.ai and you can get the new angle...
May 17, 2026
gerrylum
replied to the thread
Story: Introducing Rivian Assistant & Rivian Unified Intelligence. Unlock hands-free utility with Connect+
.
Currently, yes, that is the state of things. If you want Amazon Music integration you have to ditch RA and go back to Alexa. Hopefully...
May 16, 2026
gerrylum
replied to the thread
With Comma you can now have Cruise Control Resume
.
Lukas warehouses products in and ships from the US now.
May 16, 2026
gerrylum
replied to the thread
With Comma you can now have Cruise Control Resume
.
Geomglot is correct. Unless Lukas has changed his mind he still plans to continue to sell the longitudinal upgrade at a new lower price...
May 15, 2026
gerrylum
reacted to
Geomglot's post
in the thread
With Comma you can now have Cruise Control Resume
with
Like
.
Lukas posted somewhere on Discord that he had removed it temporarily pending the new angle one being available so as to avoid people...
May 15, 2026
gerrylum
reacted to
LivingInKaos's post
in the thread
Comma Extreme Dev Kit NOW AVAILABLE
with
Like
.
May 15, 2026
gerrylum
reacted to
Geomglot's post
in the thread
With Comma you can now have Cruise Control Resume
with
Like
.
Although Rivian does not provide a native cruise control resume function unlike other brands, if you have Comma with the xnor...
May 14, 2026
gerrylum
replied to the thread
Comma harness issues?
.
That's correct. There's already grounding in the harness itself.
May 14, 2026
gerrylum
reacted to
Mousetrap's post
in the thread
Reminder: Rivian Promised Level 3 "Eyes Off the Road" Autonomy on Gen 1
with
Like
.
Both right here. Feels like quite the early adopter tax, but on the other side is just part of the cost of doing business on the cutting...
May 13, 2026
gerrylum
reacted to
Singletracker's post
in the thread
Angle-based steering now working on Comma for Gen 1 Rivians!
with
Like
.
Not sure what UI overlay you are referring to. I’ve been kinda busy and haven’t had a lot of time to mess with this issue. Having said...
May 12, 2026
gerrylum
reacted to
wavrdn's post
in the thread
Comma harness issues?
with
Like
.
Stock comma harness, and I've currently got a spare cable plugged into it to try. Upon removing the Comma-provided USB-C cord though, I...
May 12, 2026
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