Chevrolet P1530: Air Conditioning Head Pressure Switch Circuit Malfunction
Is your scanner showing Chevrolet P1530?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1530: Air Conditioning Head Pressure Switch Circuit Malfunction
OVERVIEWWhat Does The Chevrolet P1530 Code Mean?
No ECT, IAT or MAF codes set; engine speed under 1800 rpm, ECT sensor less than 88ºF, IAT sensor less than 82ºF, and the PCM detected the A/C Pressure switch was grounded for 5 seconds after engine startup.
What Are The Potential Causes Of The Chevrolet P1530 Code?
- A/C pressure sensor circuit is open or shorted to ground
- A/C pressure sensor circuit shorted to VREF or system power
- A/C pressure sensor ground circuit is open
- A/C pressure sensor VREF circuit is open or shorted to ground
- A/C pressure sensor is damage
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
