What does AC off mean on my 2008 Chevy Colorado?
What does AC off mean on my 2008 Chevy Colorado?
The AC OFF message displays when the engine coolant temperature is too high and the air conditioning in your vehicle needs to be turned off. This message usually displays along with the ENG HOT message. It usually is an indicator of the engine overheating.
What to do if your ambient temperature sensor is not working?
1. The AC auto mode will not work Most modern vehicles have an auto AC setting that will allow the vehicle to automatically set and regulate the temperature. The AC system will simply read the ambient and cabin temperature sensors data and continuously cycle the AC system on and off as required to keep the cabin cool.
How can I update the ambient air temp?
The scan tool has the ability to update the displayed ambient air temperature. To update the ambient air temperature display on the HVAC control module, perform the following procedure: Turn ON the ignition.
What are the signs of a bad AC sensor?
Common signs include a faulty AC auto mode, inconsistent cooling, and incorrect outdoor temperature readings. 1. The AC auto mode will not work 2. Inconsistent cooling 3. Incorrect reading on temperature gauge Average rating from 53 customers who received a Heating AC Inspection.
What happens to a temperature sensor when the air is cold?
When the ambient air temperatures are cold, the resistance of the sensor is high and the voltage signals are high. When the ambient air temperatures are hot, the resistance of the sensors is low and the voltage signals are low.
What’s the outside temp in a Chevy Colorado?
The outside temperature was approximately 90 deg. F and very high humidity approx. 75%. I took it to the dealer and they consulted with GM and they said to install a new program for the control. This program was to cycle the AC compressor in intervals that would eliminate the freezing.
What is the ambient air temperature sensor on a Chevy Tahoe?
The ambient air temperature sensor is a variable resistor interfaced to the Body Control Module (BCM). The BCM provides the logic for reading the ambient air temperature sensor, filtering the data and transmitting the information via the serial data circuit to the outside temperature display.
When to replace temperature sensor on Chevy Colorado?
The replacement of the sensor, or the much easier resistor mod, was to LOWER the evaporator minimum temperature 2004 and 2005 Colorados. In your problem, you need to raise it a bit.
Why does my Chevy Colorado have an air conditioner problem?
If they’re bitching and moaning at you, it means somebody else didn’t beat your price or couldn’t make their needed item. If they are not, they are making a ton of profit, or somebody came up with a better machine. There is a “notification”, from GM, to the dealer’s service departments regarding exactly this issue.
