The A/C Compressor Relief Valve Has Vented Refrigerant

The A/C compressor relief valve has vented refrigerant

Probable cause: A high-side restriction, the A/C condenser/radiator fans are inoperative, or the A/C compressor clutch is not disengaging

If the fans and A/C compressor clutch operate normally, recover refrigerant A/C Refrigerant Recovery, and check for restrictions

If the A/C compressor clutch will not disengage, do the A/C compressor clutch circuit troubleshooting A/C Compressor Clutch Circuit Troubleshooting, and check for mechanical problems Testing and Inspection

If the fans are inoperative, Do the radiator and A/C condenser fan common circuit troubleshooting Radiator and A/C Condenser Fan Common Circuit Troubleshooting

Also check for

Powertrain DTCs Initial Inspection and Diagnostic Overview