The set temp drops randomly - set at 80* just changes to 70*, a second later drops to 69,68,67,66,65 - stops. Then drops to 60 and stays. Temp red/ blue buttons do not work.
self test = 024
Shut off / start car - it's blowing hot air full bore set at 60* still. Shut off EACT, turn on, now the temp buttons work - raise to 72* - now the setting stays while I drive. but the air blows hot. I just warm the car inside, then turn off the EATC.
EATC is just flaking out - setting buttons do not work, then they do.
Set temp drops - then it holds.
no warm air change as it should, then all hot air.
Only codes are 024/025 - but I've never hear the unit try to move the blend door - no clicking etc.
I'd feel better seeing a steady EATC before replacing he blend door actuator. That's why I want to try a good used one.