2015 SE Hybrid. Having issues where the climate control system goes wacko. Heat comes on when it should blow cold. Fan speed will come on HIGH and can't adjust and then all of a sudden, if goes to a lower fan speed. Took it in a month ago and they said the Sync needed an update and performed the update. Now doing it again. Anyone else experience strange things occurring with your climate control system? Hoping to get ideas as the system doesn't throw codes that a tech can find. Thanks!
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Climate Control Issues
Posted 24 December 2017 - 04:34 PM
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Posted 24 December 2017 - 07:47 PM
Disconnect the 12 vdc battery for about 10 mins and then reconnect. Some settings may have to be reset like dash display mode, clocks or radio presets.
Posted 25 December 2017 - 04:11 PM
Thank you lolder but the dealer has already run a diagnostic and updated the firmware in the Sync. I believe that it is a faulty controller and trying to see if anyone else has experienced anything similar. A battery disconnect is not the solution I was looking for but thanks for sharing your thoughts.
Edited by securityguy, 25 December 2017 - 04:11 PM.
Posted 25 December 2017 - 11:30 PM
Don't discount the power of a battery disconnect. it's not the same as a dealer diagnostic.
Also climate is not part of the Sync software, it's in the FCIM. Is it really the FCIM they updated or the APIM (Sync).
Posted 28 December 2017 - 03:48 PM
They first updated the SYNC (that's what they said could be the issue), or what you are calling the APIM back in October, and just two days ago I requested they check the FCIM and the "Master Mechanic" said there was an update for the FCIM that they performed at my request at no-charge. Since my issues are intermittent, time will tell if it fixes the issue. My 21 year old daughter's car that I bought for her back in mid-2015 so I only see it when she comes home for a week every so often. Just turned 41K miles and I bought the 7/100K extended warranty. If this doesn't fix the issue, they will replace the FCIM. It is all documented and they have been good about trying to make this right so I can't complain. Best thing that could happen is that it just fails completely so they can truly determine the root of the issue.
Posted 04 January 2018 - 08:02 PM
My issues appear to be resolved after the flash of the FCIM. Put over 1000 miles on her over the holidays and climate control didn't skip a beat.
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