# Sync 2 to Sync 3 Auto, Max Defrost and Max AC **URL:** \ **Category:** SYNC 3 Support\ **Tags:** SYNC3, APIM\ **Created:** [23 February 2021 14:59 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601 "2021-02-23T14:59:04Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [23 February 2021 14:59 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/1 "2021-02-23T14:59:04Z")
I upgraded my 2015 Ford Explorer XLT to a Sync 3 system, it apparently has the old CanBus version. I have the latest Sync version 3.4.20351. My explorer came with 1 Auto option & Max A/C. The Sync 3 head unit has Auto with 3 fan options, Max Defrost Enabled, and Max A/C missing. Most spreadsheets have this as a 7D0-08-02 setting, which is not available to me. Is there another option to change this setting? I thought about installing this Sync 3 unit in my 2017 Ford F350 to see if I could change the display setting. Does anyone now I can change this so the screen option are correct for my explorer? These are the last two changes I need to make so it works properly. ---
**Author:** ![CyanLabs](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/cyanlabs/32/15113_2.png) [@CyanLabs](https://community.cyanlabs.net/u/CyanLabs)\ **Post date:** [23 February 2021 15:00 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/2 "2021-02-23T15:00:58Z")
for 08 etc you need to update the APIM Firmware > [@Updating APIM Firmware (Calibration Files)](https://community.cyanlabs.net/t/updating-apim-firmware-calibration-files/17): > > Updating APIM Firmware (Calibration Files) You may wish to upgrade your APIM firmware to get features like radio logos and calm screen. Before starting this process, it is recommended that you try making the asbuilt changes to enable calm screen and radio logos first, as 2018 and onward vehicles are likely to have this update anyway. NOTE: Once you have made the asbuilt changes, perform a master reset of your APIM and check that radio logos and calm screen stay enabled. If they disappear, you … ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [23 February 2021 15:11 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/3 "2021-02-23T15:11:16Z")
This auto answer doesn’t provide solution. Anyone have an idea? ---
**Author:** ![CyanLabs](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/cyanlabs/32/15113_2.png) [@CyanLabs](https://community.cyanlabs.net/u/CyanLabs)\ **Post date:** [23 February 2021 15:15 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/4 "2021-02-23T15:15:24Z")
It’s not a auto answer… ---
**Author:** ![CyanLabs](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/cyanlabs/32/15113_2.png) [@CyanLabs](https://community.cyanlabs.net/u/CyanLabs)\ **Post date:** [23 February 2021 15:16 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/5 "2021-02-23T15:16:29Z")
[https://cyanlabs.net/ford-apim-asbuilt-db/](https://cyanlabs.net/ford-apim-asbuilt-db/) This lists all known APIM AsBuilt values, if it’s not there then we don’t know. If it’s only changeable with 08 then as mentioned previously you need to update your calibration firmware. ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [23 February 2021 15:52 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/6 "2021-02-23T15:52:43Z")
where is the 08 coming from? ---
**Author:** ![CyanLabs](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/cyanlabs/32/15113_2.png) [@CyanLabs](https://community.cyanlabs.net/u/CyanLabs)\ **Post date:** [23 February 2021 16:28 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/7 "2021-02-23T16:28:14Z")
> [@3rdgenworkshop](#): > > 7D0-08-02 > [@3rdgenworkshop](#): > > where is the 08 coming from? From your own message, you said 7D0-08-02 which contains 08, referred to as section 08 in APIM AsBuilt ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [23 February 2021 18:34 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/8 "2021-02-23T18:34:54Z")
Sorry, completely missed that. OK, will the firmware update expose the 7D0-08 blocks then with the older version of the Can Bus? Just trying to get it all straight. Thanks for your patience with me. ---
**Author:** ![CyanLabs](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/cyanlabs/32/15113_2.png) [@CyanLabs](https://community.cyanlabs.net/u/CyanLabs)\ **Post date:** [23 February 2021 21:43 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/9 "2021-02-23T21:43:53Z")
I had a Focus 2015 and after updating calibration it showed it and you’ll be able to change values etc but it won’t add new features to your car ---
**Author:** ![F150Chief](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/f150chief/32/14712_2.png) [@F150Chief](https://community.cyanlabs.net/u/F150Chief)\ **Post date:** [24 February 2021 00:55 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/10 "2021-02-24T00:55:17Z")
> [@3rdgenworkshop](#): > > I upgraded my 2015 Ford Explorer XLT to a Sync 3 system, it apparently has the old CanBus version. I have the latest Sync version 3.4.20351. > My explorer came with 1 Auto option & Max A/C. The Sync 3 head unit has Auto with 3 fan options, Max Defrost Enabled, and Max A/C missing. Most spreadsheets have this as a 7D0-08-02 setting, which is not available to me. Is there another option to change this setting? So did your Sync 2 unit have all the controls for the AC, and does the vehicle (XLT version) have Automatic Climate Control? The 7D0-08-02 settings will not solve your issues, as these are just additional menu items you can add to control features thru the center stack screen. If it doesn’t show up in the Climate screen, it will not show up there. > [@3rdgenworkshop](#): > > I thought about installing this Sync 3 unit in my 2017 Ford F350 to see if I could change the display setting. It will work in the truck. ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [24 February 2021 04:09 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/11 "2021-02-24T04:09:11Z")
Yes, the Sync 2 had all the climate controls for the AC. The issue is the climate overlay with the new unit. Original, single Auto, New 3 button/fan Auto. Original Single Defrost, New Max Defrost. Original Max AC & AC, New AC. The 7D0-08 seems like it controls the overlay, which seems like it should enable or disable the features, at least per the spreadsheet. ---
**Author:** ![Louage](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/louage/32/11852_2.png) [@Louage](https://community.cyanlabs.net/u/Louage)\ **Post date:** [24 February 2021 05:57 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/12 "2021-02-24T05:57:58Z")
As you’ve been advised already, the 7D0-08 options will not solve your issue, they are menu options for far newer vehicles than yours. I believe you’ve seen the HS4 option in the asbuilt sheets referring to these settings, your vehicle does not have HS4 as it is too old. ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [24 February 2021 13:35 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/13 "2021-02-24T13:35:12Z")
Alright, I’m really close. I got the climate control buttons all correct on the screen. They are just greyed out, and the temps aren’t displaying. I can’t find the switch to enable them. ![Cyanlabs Sync 3](https://community.cyanlabs.net/uploads/default/original/2X/7/74f69d121c49a33a30549b927c366f0ccafa86ec.jpeg) ---
**Author:** ![CyanLabs](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/cyanlabs/32/15113_2.png) [@CyanLabs](https://community.cyanlabs.net/u/CyanLabs)\ **Post date:** [24 February 2021 13:47 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/14 "2021-02-24T13:47:34Z")
Have you checked the climate section of this [https://cyanlabs.net/ford-apim-asbuilt-db/](https://cyanlabs.net/ford-apim-asbuilt-db/) ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [24 February 2021 14:09 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/15 "2021-02-24T14:09:49Z")
Yes, I’ve been looking through it. Seems like the 7D0-01-02 middle block might be it. So far unsuccessful. ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [24 February 2021 14:20 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/16 "2021-02-24T14:20:41Z")
Well it doesn’t seem that the 7D0-01-02 middle block will enable the screen. Any suggestions? ---
**Author:** ![Louage](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/louage/32/11852_2.png) [@Louage](https://community.cyanlabs.net/u/Louage)\ **Post date:** [24 February 2021 16:41 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/17 "2021-02-24T16:41:35Z")
Was your engine on when you tested this? ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [24 February 2021 16:55 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/18 "2021-02-24T16:55:08Z")
I tried it both ways. On, then it didn’t work. Reverted it. Changed it with just ignition on, and same result. ---
**Author:** ![F150Chief](https://community.cyanlabs.net/user_avatar/community.cyanlabs.net/f150chief/32/14712_2.png) [@F150Chief](https://community.cyanlabs.net/u/F150Chief)\ **Post date:** [25 February 2021 04:46 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/19 "2021-02-25T04:46:52Z")
The options are grayed out because the APIM is not communicating properly with the climate functions in the vehicle. This could be ignition or run, but also most likely the CGEA/C1MCA version is set incorrectly. A 2015 Explorer is not CGEA 1.3, rather it is CGEA1.2/C1MCA. This is evident from the SWC setting of 21, which indicates CGEA 1.2. Also, above you indicated Sync 2 was Single/Auto (Single Zone/Auto) and you have Dual Zone set. 7D0-01-01 xxxx xxx\* xxxx is set to 0, try changing to 4. 7D0-01-02 xxxx xxxx \*xxx is set to 9, try changing to 1. Look thru your settings for similar changes for CGEA. ---
**Author:** ![3rdgenworkshop](https://community.cyanlabs.net/letter_avatar_proxy/v4/letter/3/ea5d25/32.png) [@3rdgenworkshop](https://community.cyanlabs.net/u/3rdgenworkshop)\ **Post date:** [25 February 2021 13:36 UTC](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601/20 "2021-02-25T13:36:54Z")
Sorry. I have Single/Auto (Dual Zone/Auto/Rear Climate) Heated Seats. [Next page](https://community.cyanlabs.net/t/sync-2-to-sync-3-auto-max-defrost-and-max-ac/2601.md?page=2)