Test A/C Trinary Switch
A/C System
A diagnostic check of the three-function pressure switch that monitors refrigerant pressure and controls compressor operation and fan speed. A failed trinary switch can cause the compressor to run constantly, not run at all, or the cooling fan to malfunct
Estimated Cost
$60–$150🔒
Parts + labor, based on the parts this service typically requires. Not specific to your vehicle or region — this spans all vehicles, all regions, and all part grades, so treat it as a rough ballpark rather than a quote.