How to Add Automatic Temperature Control (ATC) to a Manual Temperature Control Truck

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frederic noel

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mdtz86

i have similar issue , i did the mtc first and everything work fine , blend door in the right place etc.. i did the atc upgrade with temp sensor ( mine is a 3500 ) put an atc bezel, do the procedure etc.. everything went ok , in auto mode the blend door look to be in a defrost state and feet ? , but if i put in other direction i hear it moving but not in the right place , after a certain time ( like when temperature is up to temp ) it will switch to the right place ? i do the hvac calibration and i soon i start the truck , the defrost flash for a couple of time too , but i don't have the fault code , redo the mtc procedure , put in defrost , feet , etc.. it work flawlessly , put in dual zone , and single zone procedure , and samething , if truck is cold , i cannot put in face direction or just feet ?​

 

JoeV2500

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Thanks @Mpgrimm2 received and installed the ATC upgrade kit as well as the harnesses and media hub for the UAQ radio conversion. Everything went in perfectly. I programmed with AlphaOBD according to your instructions and everything works as advertised. I did learn that it's critical to make sure to wait until the Sirius XM and backup camera buttons re-appear on the radio before moving on to the next step in the programming. Great upgrade! Great quality harnesses!
 

Devildog8791

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I hope that I didn't just screw myself out of this mod. I did this mod a while back and had it working perfectly. I installed an aftermarket radio (Stinger Heigh10) yesterday and now it shows as a MTC in the "Climate" section. I checked AlfaOBD and it still showed as a Single Zone ATC in there. I put it back to Single Zone MTC last night just to reset it. I seen the comment about aftermarket radios and the Maestro in the Known Working document, but I'm not using the Maestro. I'm using the PAC integration kit. I'm guessing I'll have to put it to Dual Zone ATC and just deal with having two sliders.
 

Devildog8791

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So far it has been a no-go. I flashed it back to Single Zone MTC and then tried to flash it to Dual Zone ATC, but it hasn't made a difference. It doesn't say "Procedure Completed" after each time either, so I don't know if it is even doing anything.
 

Mpgrimm2

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So far it has been a no-go. I flashed it back to Single Zone MTC and then tried to flash it to Dual Zone ATC, but it hasn't made a difference. It doesn't say "Procedure Completed" after each time either, so I don't know if it is even doing anything.
Sent u a message
 

Robert Jacobs

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2019 Dodge Ram 1500 Express
Purchased Infotainment Nav/Radio 5 months ago.
Paid the $274 last week for the auto AC update,
Originally the radio had auto on it, but no degrees on slider.
First attempt with update took away auto selection.
Second attempt brought back auto button and degrees on slider.
Push auto does nothing, and when you raise the temperature it stays there for a second, and then drops down to LO.
Sent video to Infotainment... hoping for help.
I'm having this same issue in 2017 2500. Infotainment is sending me another OBD Genie PN C-ACC-LD, lets hope this fixes my issue.
 

Mpgrimm2

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I'm having this same issue in 2017 2500. Infotainment is sending me another OBD Genie PN C-ACC-LD, lets hope this fixes my issue.
The Genie's don't consistently work to set this up correctly. .. and no way to verify it worked or undo it without a trip to the dealer to reflash the truck back to stock.

Get your money back and get the AlfaOBD/OBDLink MX BT adapter setup and do it yourself.

** AlfaOBD (for activating factory features yourself. See Docs linked in OP.
.
 

Robert Jacobs

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The Genie's don't consistently work to set this up correctly. .. and no way to verify it worked or undo it without a trip to the dealer to reflash the truck back to stock.

Get your money back and get the AlfaOBD/OBDLink MX BT adapter setup and do it yourself.

** AlfaOBD (for activating factory features yourself. See Docs linked in OP.
.
Yeah, lesson learned. They are sending the new genie at no cost so I will see if it works and if not I will go the AlfaOBD route.
 

LeighGartman

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I been trying to active ATC but with no luck. Alfaob is not saying complete. Any help would be appreciated.
 

swoyekr

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Man, I've tried fooling my 8.4 to accept the single auto climate controls about 20 times. It seems like everything goes well, but the climate control up/down buttons and the slider on the radio just move to max hot or max cold.. If i move the slider to 82*, it just thinks for a second then slides up to max hot. Same with a cooler temp it will go max cold. And i've done everything as M2 noted, even talked to him about it a few times, but I'm at a loss.

Works normally in Single MTC, but slider and hard button max cool/hot after going to Dual ATC, and then Single ATC. I programmed in alpha, waited about 5 mins, pulled the fuse over the second battery along the firewall, left that out for about 5-10 mins, put it back in, and waited up to 24 hours. Still the same issue no matter what.

Is there anything else I need to program in maybe I skipped something?
 

Mpgrimm2

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Man, I've tried fooling my 8.4 to accept the single auto climate controls about 20 times. It seems like everything goes well, but the climate control up/down buttons and the slider on the radio just move to max hot or max cold.. If i move the slider to 82*, it just thinks for a second then slides up to max hot. Same with a cooler temp it will go max cold. And i've done everything as M2 noted, even talked to him about it a few times, but I'm at a loss.

Works normally in Single MTC, but slider and hard button max cool/hot after going to Dual ATC, and then Single ATC. I programmed in alpha, waited about 5 mins, pulled the fuse over the second battery along the firewall, left that out for about 5-10 mins, put it back in, and waited up to 24 hours. Still the same issue no matter what.

Is there anything else I need to program in maybe I skipped something?
If I recall, you're running a 2018 2500 HVAC module 68366553AA with your 2018 UAq 68331631Ah upgrade (in a 2013 Ram 2500)?

Q: what application version is your radio running?

Q: What Fw is your HVAC module running? (connect to it directly with AlfaOBD)


I wonder if it would take with an earlier 13-17 PN module (68105017AE on backorder... Would have to find a used one (Edit... Got one on the way to him).

If it does, it's possible Ram updated fw on newer shipping 2018 modules and broke the Single Zone ATC Easter egg option... But you can't get Dual Zone ATC to work either as I recall (sliders should work without jumping around, even without the extra blend door).

If not that then it's possible an issue with AlfaOBD and maybe you can get Alexei to send you an earlier version from late last year/early 2022 when it was known to work.
 
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swoyekr

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Sorry for the delayed response;

HU ID 0x395E9A22
Software Part Number CNSC27N5GL
Software Version 17.43.44
Application Version USA-IR-19.9.0-20171026-107G
BootMicro Version 17.35.00

I will update the HVAC Module Firmware here tomorrow.

I checked the light sensor under the middle speaker grill, it was a 4 pin, but I did buy the replacement 4 pin just in case. No immediate change.


I should note that I don't regularly drive this truck, during these updates it's living in the driveway with the occasional drive.
 

Mpgrimm2

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A few data points for reference....
(via AlfaOBD/OBDLink MX BT adapter)

@swoyekr - 8/20/22 +
> 2013 ram 2500 with 4spd 8.4 upgrade to 2018 UAq 68331631Ah (App v19.9.x) & HVAC module PN: 68366553AA....
> CAN'T get Single Zone ATC to program/work correctly without erratic Temp Slider issue (same with Dual Zone ATC.... Single Zone MTC works fine).
** Has Cabin Temp sensor and 4 pin sun sensor/wiring **

>> Plans to retest with 2013 HVAC module (10/4/22) = no change

>>> 11/1/22: Found out truck is deleted/tuned diesel (w/ ez-link tuner)


* @JrocsCustoms / Jarrod R. (in CANADA) - 8/29/22 +
> 2013 ram 2500 with 4spd 8.4 upgrade to 2018 Cherokee UAq 68306656AR from Infotainment ... (Appl. v21.9.0) & HVAC module PN: 68366553AA....
> CAN'T get Single Zone ATC to program/work correctly without erratic Temp Slider issue (same with Dual Zone ATC).
** Has Cabin Temp sensor and 4 pin sun sensor/wiring **

>> 10/8/22 - Retested with 2014 Ra4/VP4-NA = Dual Zone ATC Programming changes worked without issue (AlfaOBD worked). Retested for Single Zone ATC and it also worked with the RA4/VP4-NA.

>>> 11/1/22: Found out truck is deleted/tuned diesel +w/ez-link tuner)


** @umbighouse (10/8/22)
> 2014 Ram 1500 with factory 8.4 VP4-NA Single Zone MTC to Ram 18 UAS PN: 68331635AL (Application Version v39.6.0) & HVAC module PN (68183973AC) ....
> SUCCESSFULLY got Single Zone ATC to program/work correctly to correct erratic Temp Slider issue. (awaiting ATC hw)


@Konstantin (Czech Republic) - 10/4/22
> 2016 Ram 1500 with factory 8.4 Vp4-ROW Single Zone MTC to Panasonic 4c VP4/ROW (PN: ??) & HVAC module PN (68268186Ax??) ....
> SUCCESSFULLY got Single Zone ATC to program/work correctly to correct erratic Temp Slider issue. (awaiting ATC hw)
> Also has CustomTronix Enzo camera interface


** Roy P. - 10/4/22
> 2016 Ram 1500 with factory 8.4 Vp4-NA (68258671Ax) Single Zone MTC to Single Zone ATC & HVAC module PN (68268186Ax??) ....
> SUCCESSFULLY got Single Zone ATC to program/work correctly w/o erratic Temp Slider issue.


** Charles K. (9/30/22)
> 2016 Ram 2500 with 4spd 8.4 upgrade to 16Ra4/Vp4-NA (68258671AH) & HVAC module PN: 68366553AA....
> SUCCESSFULLY got Single Zone ATC to program/work correctly without erratic Temp Slider issue.


** Steve N. (9/12/22)
> 2014 Ram 1500 with 7spd 8.4 upgrade to 19 Charger UAS (68396538Ac, App. v??.x.x) HVAC module PN: 68366552AA....
> SUCCESSFULLY got Single Zone ATC to program/work correctly without erratic Temp Slider issue.


@JoeV2500 (3/16/22)
> 2016 Ram 2500 with prior 8.4 RAx upgrade & HVAC module PN: 68105017AE to 18 UAQ 68331631AH (App. v??.x x ) with Single Zone ATC mod ....
> SUCCESSFULLY got Single Zone ATC to program/work correctly without erratic Temp Slider issue.
 
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Mpgrimm2

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@swoyekr @JrocsCustoms /JarrodR ... see quote below from UAq upgrade thread and check with your diesel tuner person about an updated tune??? ...

& Thanks @Roman217, @chrisbh17 & @skuppy069, @mtnrider for the additional background & @sparsons649 for heads-up on your issue. Hopefully this gets these 2 squared away.
Just wanted to update and add a little information in case someone else runs across this issue of the heated seats not working on a 2016 (and I assume 17) 2500/3500 diesel.

While trying to find a solution, since everything I have read says it should work on a 2016 I recalled that there was an issue that tuners were having with the 2018 trucks losing their heated seats after getting tuned (diesels). The issue turned out to be they were using an older base file for the tunes which was fine for everything up to a 17 but caused issues with the seats on the 18's.

My truck is tuned and the tune I have been using has been around for a while so I thought I would try and load a newer tune just to see what happens. Sure enough the newer tune was based on a updated base file and my heated seats came back. Unfortunately I cannot run the older tune which was one of my favorites if I want to keep the heated seats and the UAQ. knowing that I am assuming the older tune base file may have been a pre 15' file and that's what caused my problems?

So if you are having issues with the heated seats on a 16-17 (maybe other years?) diesel and you are tuned try a newer tune if you can and see if that works.

Just installed a 2018 non nav in my 17 2500. Everything works except my heated/cooled seats and heated steering wheel. They are grayed out. Any ideas?

Are you tuned? How long have you waited (takes a few key cycles some times)

Yes I’m tuned. I turned it on and off about 10 times

Tuning is your issue. You are most likely running a tune that was written on a pre 18 base file. Who's tunes are you running?

I just went through this myself

The 4.x series of tunes isn't bad but the 2.x are still my favorites. You should have them available to download still? Give it is a try and see if it fixes the heated seat issue. I can't 100% say it will because I did not try those but they are much newer and hopefully were built off a 2018 base file. (I have 2 tune companies in my account and tried one of the others newer tunes and the seats worked.)
If you want to explore the other option let me know and I'll get you in contact with the guy that built the module for me and see if he can help.

That fixed it. Installed 4.2. I’ll see if I like the new tune. Thank you very much. I was about ready to install my old radio back in
 
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thrashie

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I am tuned, having issues with temp on my factory installed dual zone ATC, the temps go either high or low after doing the upgrade.
got so frustrated i sold the radio, but after talking to Mpgrimm2, this gives me hope that is what the issue is. So i'll grab another here soon and mess around

I have a raceme ultra, i have a couple tunes i can try and see what that can get me. I will also get with the guy who made the tunes to see if i can get one newer than what mine is based off of, 2013 i assume. What year should i ask for?
 

Mpgrimm2

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I am tuned, having issues with temp on my factory installed dual zone ATC, the temps go either high or low after doing the upgrade.
got so frustrated i sold the radio, but after talking to Mpgrimm2, this gives me hope that is what the issue is. So i'll grab another here soon and mess around

I have a raceme ultra, i have a couple tunes i can try and see what that can get me. I will also get with the guy who made the tunes to see if i can get one newer than what mine is based off of, 2013 i assume. What year should i ask for?
I honestly don't know what year to base the tune off of for your 2013ram2500 CTD... But you're in the same boat with @swoyekr and @JrocsCustoms /Jarrod R.

I've been told that Mopar started locking the ECM's in 2015... Your UAq is from a 2018, but if you were running stock 2013 tune/emissions I believe the UAq upgrade would work fine.

There's apparently a signal from the ECM that the 2018+ radio is looking for so it knows to reconfigure itself from the BCM settings... Engine running? RPM? IDK. ... But that signal has been disabled by the tune.

Maybe someone that understands it better can comment.
 
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thrashie

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I honestly don't know what year to base the tune off of for your 2013ram2500 CTD... But you're in the same boat with @swoyekr and Jarrod R.

I've been told that Mopar started locking the ECM's in 2015... Your UAq is from a 2018, but if you were running stock 2013 tune/emissions I believe the UAq upgrade would work fine.

There's apparently a signal from the ECM that the 2018+ radio is looking for so it knows to reconfigure itself from the BCM settings... Engine running? RPM? IDK. ... But that signal has been disabled by the tune.

Maybe someone that understands it better can comment.
I'm gonna try with the stock tune first.
gonna put it in, let the radio sit, and then see what happens, and put the tune back on.
 

HighShyGuy

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@umbighouse
Sent you a text & email ...
Clay, you are going to have to set it back to Single Zone MTC, pull the inline radio fuse, wait for the radio to finish it's reset and start again. And you MUST WAIT for the SxM button to come back before proceeding to the next change as previously mentioned in email. The radio doesn't finish it's reset until then

Just want to verify that if I need to reset/retry activating ATC/Single mode, I need to use Alfa to reset the setting back to Single/Manual, wait overnight, then I can set it to Single zone ATC again, correct?
(I am single zone, not dual yet)
2018 tradesman conversion to 7sp 8.4 Single ATC

I got in the truck today and had no "AUTO" (I swear it was there in my quick test)
The temp slider didn't do anything, but the hot/cold did adjust the temp of the vent, but the slider on the 8.4 didn't work, didn't move, etc.

I did turn the truck off and re-set it in Alpa (30 minutes ago) and it brought back AUTO and the slider now works...
No idea what happened (I swear I saw auto when I put this all in over the weekend), but I haven't driven the truck since I did the swap 4 days ago.
 

Mpgrimm2

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Just want to verify that if I need to reset/retry activating ATC/Single mode, I need to use Alfa to reset the setting back to Single/Manual, wait overnight, then I can set it to Single zone ATC again, correct?
(I am single zone, not dual yet)
2018 tradesman conversion to 7sp 8.4 Single ATC

I got in the truck today and had no "AUTO" (I swear it was there in my quick test)
The temp slider didn't do anything, but the hot/cold did adjust the temp of the vent, but the slider on the 8.4 didn't work, didn't move, etc.

I did turn the truck off and re-set it in Alpa (30 minutes ago) and it brought back AUTO and the slider now works...
No idea what happened (I swear I saw auto when I put this all in over the weekend), but I haven't driven the truck since I did the swap 4 days ago.
Not sure what you've done yet but originally you should have gone to Dual Zone ATC first before moving on to Single Zone ATC with resets in between (see prior email or post 3)

* I will add that when these 4c radios first power up after battery pull/first install they will show Dual Zone ATC and possibly various other incorrect settings that you can't trust until the reset/BCM configure of the radio is complete (ie once SXM button shows up & BuCam works if installed).
 

Mpgrimm2

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I'm gonna try with the stock tune first.
gonna put it in, let the radio sit, and then see what happens, and put the tune back on.
Thrashie... Any update on this?
 

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