Good to know. Wonder if it had anything to do with the washer recall?
2016 Gen 2 HVAC Update Flash
We own a gen 2 2016 Cruze Premier Automatic (loaded). We purchase the vehicle in April of 2016. Without checking the VIN, I'd guess it was made during the beginning of the production run.
A crazy thing happened just after we had the battery terminal recall issue taken care of and VOR label stickers installed at the dealer. While driving home my wife and I began to notice the A/C was not keeping us cool (85 degrees F outside). We observed very little air flow from the dash panel vents and the air was not even cool. Additionally, the seat heaters came on even though the seat heater button indicator lights were not illuminated.
The HVAC was in auto mode and the temperature set to 72 where we normally keep it. As a countermeasure, we set the temperature to "Lo" and turned up the blower speed manually. That helped but it was still too warm in the car. I pulled into a nearby parking lot, shut off the engine and noticed the HVAC blower was still running. After opening the driver side door, the HVAC blower finally turned off.
We turned around and went back to the dealer. Our dealer's resident expert technician observed and confirmed the issue and said we probably needed a new flash. We made a service appointment for the soonest possible date.
The result was that the technician found an update for the HVAC module and flashed it. Today, my wife reports the HVAC is back to normal and working well.
A crazy thing happened just after we had the battery terminal recall issue taken care of and VOR label stickers installed at the dealer. While driving home my wife and I began to notice the A/C was not keeping us cool (85 degrees F outside). We observed very little air flow from the dash panel vents and the air was not even cool. Additionally, the seat heaters came on even though the seat heater button indicator lights were not illuminated.
The HVAC was in auto mode and the temperature set to 72 where we normally keep it. As a countermeasure, we set the temperature to "Lo" and turned up the blower speed manually. That helped but it was still too warm in the car. I pulled into a nearby parking lot, shut off the engine and noticed the HVAC blower was still running. After opening the driver side door, the HVAC blower finally turned off.
We turned around and went back to the dealer. Our dealer's resident expert technician observed and confirmed the issue and said we probably needed a new flash. We made a service appointment for the soonest possible date.
The result was that the technician found an update for the HVAC module and flashed it. Today, my wife reports the HVAC is back to normal and working well.
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It sounds like the air was working OK before the problem occurred. If so, it sounds like somehow the HVAC program ( in memory ) changed. If it did, expect it to happen again ...... good luck. Disconnecting the battery for a few minutes may have also fixed the problem. Give that a shot if there is a next time - the battery is in the trunk ( don't ask me how I know that ).
The HVAC code is stored in EPROM, which means that any time you restart the car it gets loaded again fresh. However, if there is an external input, such as ambient air temperature, that is being mis-read by the code you'll see exactly what OP reported. Pulling the battery cable off simply resets the external sensors and doesn't impact the stored program.It sounds like the air was working OK before the problem occurred. If so, it sounds like somehow the HVAC program ( in memory ) changed. If it did, expect it to happen again ...... good luck. Disconnecting the battery for a few minutes may have also fixed the problem. Give that a shot if there is a next time - the battery is in the trunk ( don't ask me how I know that ).
I had to pull the bumper cover on my 2017 to change build on driver's side, because you can't get your hand into it
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