Severity: Fix soon. Usually safe to drive for now.
The computer is getting no usable signal from the sensor that monitors the air conditioning system's refrigerant pressure, so the AC may not turn on.
Check the refrigerant level, inspect the wiring, and replace the sensor if needed.
Safe to drive. The air conditioning just may not work.
Generally safe to drive, but get it checked soon. Safe to drive. The air conditioning just may not work.
The most common causes are: Failed refrigerant pressure sensor; Damaged wiring or connector; Low refrigerant; Failed AC compressor clutch. A scan tool and a visual check of the parts above is where a technician starts.
Check the refrigerant level, inspect the wiring, and replace the sensor if needed.
