2006 Chevrolet Colorado "heater control" Questions

heater low control circuit, through a low side driver within the powertrain control module (PCM). The PCM commands the heater ON or OFF to maintain a specific HO2S operating temperature range. The PCM

...hoses for kinks or crush, Check operation of heater coolant control valve, ensure it is able to pass the coolant, Check for blockage of heater core - if its blocked you may be able to backflush

heater temp control does not change the temperature of the air coming out of the dash air vents. The temp does go down when the air conditioning is turned on but it does not get as cold as it used to.

...Heater and Air conditioner does not go on. COuld that be a fuse? Its for a 2005 chevy colorado Could be a fuse, but try it all the way on high first. If it works on high only, it's most likely the ...

...sometimes you can't here the blinker sound, the heater and ac control sometimes only works on high first repair the ground to the right rear light, as for the heater it may be a switch or a bad ...

...heater and air conditioner only blows on high. replace the blower motor speed control resistor, it is the only thing that will cause this. same problem I had the same problem, but the problem was not ...

...it that way or does whole dash need to be removed. There is a solinoid in the heater/ac control unit that opens the door. It can be accessed with out pulling dash, if that is the problem - Good ...

chevy colorado heater/ac only works on high Check blower control switch/ module.

heater fan does not work i have already replaced resistor, repaced fan motor, replaced control panel, replaced wiring harness and it still does not work. Did you replace this?

heater core. I am led to believe one of the directional doors or flaps that controls the mixture of cold and hot air is not working. Any ideas? Is there a common malfunction with these trucks with the