Refrigerant Pressure Messages Missing (Active)

Tests 1 - 2:

SYMPTOM
REFRIGERANT PRESSURE MESSAGE MISSING (ACTIVE)

WHEN MONITORED
Every 8 seconds with the ignition ON.

SET CONDITION
This DTC is set by the ATC when an A/C Pressure Sensor signal is expected and is not received in the maximum allowed time.

POSSIBLE CAUSES
- Check the PCM for any DTCS
- ATC - refrigerant pressure
- Powertrain control module