Cadillac Seville STS Problem Report

Cadillac Seville STS Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

(73 reports)

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

air blows warm on drivers side @100 degrees and pass side @70 deg. Code left was B1343,(air inlet door movement fault). I haven't fixed it yet.I don't know where the door is.Please advise. -
No airflow out of the dashboard air vents. The rear seat vents work and cold air comes out. How do I repair the front vents to get the air flow? -
Warm air flows on driver side cold air flows on passanger side. The air flow on floor on both sides is only cold. General airflow is restricted trough vents -
Hot air from drivers side vents. Where is the actuator located? -
The Heating system works good on the drivers side but the passenger side dose not blow hot air.a/c works fine for both sides diver.passenger. It's just the heating problem how do I fix or what is the cause thank tom -
Cold only on drivers side, pass side feels like vent, no heat available anywhere in pass compartment....... all heat feels like vent -
one side blows cold another blows hot -
im not sure if this is the same or not i feel air from defroster but not the vents in in the dash my rear console blower doesnt come on but i can at times feel air blowing when car is in motion ,none of my blower motors come on except one time a week ago rear fan started to blow then it stoped any help where i should begin to look -
hot on drivers side , cold on passenger side -
Cold air only comes thru vents on passenger side while air on driver's side is warm or just regular vent air coming from outside of the car. Not fixed because i don't know what is the problem. -
No cold air comes out of the driver side vents -
Cold air on driver side and hot air on passenger side. -
(HVAC) temperature and/or air delivery on passenger side blows out cold air all the time. Even if you shut odd passenger heat or AC control. The only way it is stopped is to shut off the main Climate control switch on the drivers side 1998 Cadillac Seville STS -
no heat at all -
Barely any heat blowing out of driver side defroster and just cold air blowing out hard on passenger side. Also no air blowing out of the vents at all. -
Ac does not come out on drivers side. But does well on the passenger and back seat. -
my fan would send strong a/c air out then quit after a few minutes, now it sends weak hot air or not at all. Compressor is kicking in. -
the dic keep sounding door agard keep showing but heating is fine -
had head gasgets replaced now i get small oil leaks -
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