Fan control wasn't working today - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

jayno20 · 09-24-2014, 02:20 AM

Got in to drive home and went to turn on the AC and nothing... I turned the dial from 0 all the way up and it kept displaying "off" on the mylink screen. I spun the dial back and forth a few times still just kept saying "off"

Eventually I switched the air out put from face and floor to just face and it then registered as it was on and worked normally. Any idea what the deal was?

jamekitz · 09-24-2014, 10:19 AM

I had the same issue occur twice on my 2014 ZL1- I brought it to the dealer and left the car on so they could see the issue (my worry is that it would have worked if I turned the car off and back on again).

My car just needed a calibration update. My service report said the following:

Complaint: C/C that HVAC controls are inop. Check and report
Cause: HVAC Module out of calibration (6581)
Correction: Checked cause of HVAC inop. found DTC U1510. Found calibration update to correct concern. Programmed HVAC Module with the latest cal. HVAC system is working now.

Hope this helps.

jayno20 · 09-24-2014, 12:28 PM

Interesting. So there may be an update for mine then. When was your '14 built?

jamekitz · 09-25-2014, 09:25 AM

Mine was built on November 13th, 2013

jayno20 · 10-15-2014, 07:38 PM

Just had this issue again today. Took a video this time... Is this the same thing yours was doing?

jayno20 · 10-24-2014, 02:52 PM

I have an appointment at the dealer to get this hvac update flashed. Is there any way to see what version I have now and compare it after they flash it? Just like to visibly see something has changed

jamekitz · 10-26-2014, 04:51 PM

I'm not sure. The dealership told me I needed an update once he plugged his diagnostics machine into mine. Not sure what version I had or which I now have. Just know it worked.

Let me know how it goes, my friend.

09-24-2014, 02:20 AM	#1
jayno20 Go fast, please. Drives: 2019 Corvette ZR1 Join Date: May 2014 Location: Pittsburgh, PA Posts: 2,471 View My Garage	Fan control wasn't working today Got in to drive home and went to turn on the AC and nothing... I turned the dial from 0 all the way up and it kept displaying "off" on the mylink screen. I spun the dial back and forth a few times still just kept saying "off" Eventually I switched the air out put from face and floor to just face and it then registered as it was on and worked normally. Any idea what the deal was?

09-24-2014, 10:19 AM	#2
jamekitz Drives: 2014 Camaro ZL1 Convertible Join Date: Nov 2013 Location: Windsor, On Posts: 57 View My Garage	I had the same issue occur twice on my 2014 ZL1- I brought it to the dealer and left the car on so they could see the issue (my worry is that it would have worked if I turned the car off and back on again). My car just needed a calibration update. My service report said the following: Complaint: C/C that HVAC controls are inop. Check and report Cause: HVAC Module out of calibration (6581) Correction: Checked cause of HVAC inop. found DTC U1510. Found calibration update to correct concern. Programmed HVAC Module with the latest cal. HVAC system is working now. Hope this helps.

09-24-2014, 12:28 PM	#3
jayno20 Go fast, please. Drives: 2019 Corvette ZR1 Join Date: May 2014 Location: Pittsburgh, PA Posts: 2,471 View My Garage	Interesting. So there may be an update for mine then. When was your '14 built?

09-25-2014, 09:25 AM	#4
jamekitz Drives: 2014 Camaro ZL1 Convertible Join Date: Nov 2013 Location: Windsor, On Posts: 57 View My Garage	Mine was built on November 13th, 2013

10-24-2014, 02:52 PM	#6
jayno20 Go fast, please. Drives: 2019 Corvette ZR1 Join Date: May 2014 Location: Pittsburgh, PA Posts: 2,471 View My Garage	I have an appointment at the dealer to get this hvac update flashed. Is there any way to see what version I have now and compare it after they flash it? Just like to visibly see something has changed

10-26-2014, 04:51 PM	#7
jamekitz Drives: 2014 Camaro ZL1 Convertible Join Date: Nov 2013 Location: Windsor, On Posts: 57 View My Garage	I'm not sure. The dealership told me I needed an update once he plugged his diagnostics machine into mine. Not sure what version I had or which I now have. Just know it worked. Let me know how it goes, my friend.