Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- The A/C refrigerant pressure sensor signal voltage is less than 0.1 V.
- The A/C refrigerant pressure sensor signal voltage is more than 4.9 V.
- Either of the above conditions are present for more than 20 seconds.