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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC P0532 or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON
  2. Verify the scan tool engine control module A/C High Side Pressure Sensor parameter is between 6.8 kPa (1 psi) and 2950 kPa (428 psi).
    • If not between 6.8 kPa (1 psi) and 2950 kPa (428 psi) 

      Refer to Circuit/System Testing

    • If between 6.8 kPa (1 psi) and 2950 kPa (428 psi) 
  3. All OK
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