Refrigerant Type: r134
Country of Origin: United States
I have an 01 Seville STS that intermittently gets a code for refrigerant temp sensor. Does anyone know what size resister I can put in place of the sensor to check if it is the sensor itself or the wiring?
Can we be blessed with the code number please? Would help a lot-- the B1415? or such are thermistor codes- that come back immediately upon clearing them-- replacing the thermistor is easy-if system is discharged- very rarely the wiring? The code number will tell you which sensor as well.- thermistors are cheap- around $17 as I recall.....
Do you know how to access the codes on your instrument panel? use "off and warmer" at the same time- then scan to ACM- then read the codes that are listed off the display on your dash.
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
Edited: Mon July 13, 2009 at 11:06 AM by GM Tech
It was the thermistor, I got one on order. I unplugged the wire and put in a 3.8K resister to get me by for now.
With even my older Caddy, can read and compare all the thermistor readings with a cold vehicle to the ambient temperature in the comfort of the drivers seat. The problems I had with thermistors, were not in the thermistors, but in all those cheap connectors between the sensors and the ATC or BCM connectors. Even the slightest amount of oxidation causes them to give false readings. You want to be sure that is not your problem, have to recover and recharge to change a thermistor, may go through all that and still have a problem.
Do you put some kind of thread sealer on it then to fix it?
Or wait, you mean the plug on the wire end right?
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