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

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

If the fans are inoperative, troubleshoot the fan circuits Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting

Also check for

Powertrain DTCs, '07-09 models Initial Inspection and Diagnostic Overview, '10model Initial Inspection and Diagnostic Overview